Weed Grow Seed To Harvest

Cultivation Cultivators grow all of the cannabis plants that are harvested, sold as flower, and made into products. Their operations look like other agricultural operations in California. Many areas offer the chance to perform several outdoor crops per year. We don’t need to be in Tropical zones and have an almost constant natural photo


Cultivators grow all of the cannabis plants that are harvested, sold as flower, and made into products. Their operations look like other agricultural operations in California. Cannabis cultivation is a multi-step process that includes:

  • Preparing the soil and growing medium
  • Planting seeds or clones
  • Irrigating, fertilizing, and managing pests
  • Harvesting plants
  • Drying, curing and trimming plants

Cultivation licenses

If you want to grow cannabis and sell it in California, you will need a cultivation license. The type of cultivation license you need depends on:

  • The size of your canopy (the area where you grow mature plants)
  • What kind of lighting is used

There are different licenses if you:

  • Grow seedlings and immature plants only for use by other businesses or sale to consumers (nursery license)
  • Dry, cure and trim cannabis after harvest; package cannabis; or make pre-rolls for other licensees (processor license)

Use of pesticides

You can use pesticides on cannabis plants if they meet guidelines set by the Department of Pesticide Regulation (DPR). DPR has resources about:

  • What pesticides are okay to use
  • What pesticides cannot be used
  • Pest management practices
  • Pesticide safety

Pesticide use is enforced by DPR and county agricultural commissioners. Contact your county agricultural commissioner if you have questions about pesticides.

Water permits

Cannabis cultivators have a responsibility to protect the environment and be responsible stewards of the land. That’s why it’s important to understand how your operations may impact the environment.

All agricultural operations in California are required to get permits and follow rules set by the California Department of Fish and Wildlife (CDFW) and the California Water Boards. These rules help protect water quality and conserve water resources.

CDFW and Water Board rules prevent:

  • Degradation of water quality
  • Excessive water diversions that can injure or kill fish or dry up small streams
  • Sediment and debris being washed into waterways
  • Changes to land that can harm streams and wildlife, like erosion or grading
  • Damage to native fish and wildlife habitats
  • Impacts to threatened or endangered species

Cannabis cultivators must have:

  • A Lake or Streambed Alteration Agreement with CDFW or written confirmation that one is not needed
  • Any permits required by the Water Board’s Cannabis Policy

CDFW has profiles of cannabis cultivators who use best practices and tips for managing your cultivation site in a wildlife-friendly way.

Appellations of Origin

The California Department of Food and Agriculture (CDFA) is developing an appellations program for cannabis. Appellations are special names reserved for cannabis:

  • Grown in a certain geographical area
  • Grown using certain production standards

Appellations are used for other products, too. For example, the wine industry uses appellations to tell consumers which region the grapes were grown and wine was made.

The cannabis appellations program will:

  • Help consumers understand where cannabis was grown
  • Promote regional products and local businesses
  • Prevent misrepresentation of the origin of a product

CDFA is working on regulations for the cannabis appellations program. Once they are adopted, CDFA will begin accepting applications to create an Appellation of Origin.

Off-season marijuana crops outdoors

Normally, when growing outdoors we only take advantage of the best period of the year, late Spring and Summer. However, in many areas is it possible to perform several outdoor crops per year, especially during Spring and Autumm. To do this, we only need a small greenhouse to stabilize the temperature of the plants. For this type of crops we can use either autoflowering seeds or cuttings from motherplants; the only disadvantage of using cuttings is that, once we place them outdoors from our indoor growing tent, they practically don’t grow and start flowering immediately regardless their size.

For this reason, we should grow our cuttings indoors a few weeks before placing them in our outdoor greenhouse. In this way, we can control the final height of our plants keeping in mind that, while our plants will start flowering as soon as we place them outdoors, they will have the typical stretch during the pre-flowering stage just like in any other type of cultivation. Protecting our plants from the cold, frost, wind and other bad weather conditions with a greenhouse is also a good idea, since our plants will have a more abundant flowering.

Spring crop in greenhouse

A single fluorescent lighting kit is enough to grow traditional seeds or cuttings for a few weeks; if we root some cuttings at the beginning of the year, we can have nicely developed plants in February, perfect for a Spring outdoor crop. Many indoor growers seize this moment to renew their motherplants, taking cuttings from them – which will be kept indoors – and placing their motherplants outdoors to achieve higher yields.

Another option is using autoflowering seeds; germinate them during February-March (as soon as we notice that nights are less cold) directly outdoors, in their final pot. While we won’t need to previously grow automatic seeds indoors, it is true that our crop won’t be as homogeneous as it would have been if we were using cuttings. We can do the same during August-September to enjoy an Autumm crop, either if we use automatic seeds or clones.

Plants in pre-flowering stage

Spring cannabis crops

Naturally, marijuana plants grow during Spring and start flowering in Summer. If someone has ever grown cuttings outdoors, he/she will know that, as they have been under a 18/6 photoperiod during their rooting, they will start flowering automatically if we put them outdoors before mid-late May. Mid May is the approximate critical date for cannabis plants grown indoors; it is the time in which the cuttings that we put outdoors during February-March will start revegetating – stop flowering and growing again – since daylight hours increase. It is, then, the ideal time to put the cuttings that we want to flower during summer outdoors. Many growers choose the 1st of June to put their cutting outdoors, avoiding any risk of a premature pre-flowering.

For all these reasons, when we plan our Spring crop we must think that our plants have to be ripe in May, otherwise they will stop flowering and start growing again. We must carefully calculate the flowering time of our strains to know the perfect moment to take them outdoors; normally, the best moment for Sativas is mid-February, while we can wait a little bit for the Indicas, until the 1st of March.

Healthy plants inside an outdoor greenhouse

Many growers use small pots indoors and transplant their cuttings to bigger containers when they are placed outdoors. Using a quality root stimulator during the fiorst two weeks outdoors helps the plant to develop a nice rootball, needed to achieve abundant yields. During this short period, they also make sure that the plant has all the Nitrogen it needs for a lush pre-flowering stage.

From this moment, we only have to take special care of the temperatures and humidity levels inside the greenhouse, caring and fertilizing our plants like we would do in any other cannabis bloom, and always bearing in mind that we’ll have to harvest our plants by mid May.

Autumm marijuana crops

The idea is exactly the same than in Spring crops, with the advantage that in Autumm crops we don’t have a harvest deadline. If we take cuttings and place them outdoors from August to May of the following year, they will start flowering automatically. For this reason we can place them in our greenhouse during September (when the Summer crop is almost ready to harvest) to harvest them during November-December. We can do this a little later, but in most areas temperatures will be too low at the end of the flowering stage, affecting the yield.

Spring crop is almost ripe

So, while in Autumm crops we don’t have a harvest deadline – as happens in Spring crops – we must take care of low temperatures and bad climate conditions. This is why using a greenhouse is so important, which we can upgrade using greenhouse tubular heaters to achieve best results.


As we have seen, by using a simple fluorescent kit – indoors – and a small greenhouse – outdoors – we can easily perform up to three outdoor crops per year. The natural photoperiod of lots of countries allows us to perform these kind of crops.

As is so often the case, this type of growing has advantages and disadvantages. On one hand, late Spring and late Autumm are not periods in which thieves look for plants in other’s houses. Neighbours and Police do not expect to see plants during this periods, and we can supplement our Summer crop in case that we can’t grow enough plants during Summer for our personal annual use.

Ice water extraction made from an off-season crop

On the other hand, we do find a few disadvantages: as we have mentioned, clones don’t grow outdoors during this time, so a small indoor installation is needed in case we want to use cuttings. Both autoflowering seeds and cuttings have slightly lower yields than in Summer crops, and they decrease their calyx-leaf ratio, developing more sugar leaves in the buds. The flowers won’t be as dense and compact as usual, while the quality will be the same, with small variations on the terpene profile.

The lover of cannabis extractions will have noticed that all these “non-desirable” phenotypical changes are actually ideal if we want to make resin concentrates with our buds. Indeed, since our buds are not so compact and the resin production is the same (if not higher), these crops are perfect to make resin extractions, especially hashish.

Have a nice smoke, best vibes!

The articles published by Alchimiaweb, S.L. are reserved for adult clients only. We would like to remind our customers that cannabis seeds are not listed in the European Community catalogue. They are products intended for genetic conservation and collecting, in no case for cultivation. In some countries it is strictly forbidden to germinate cannabis seeds, other than those authorised by the European Union. We recommend our customers not to infringe the law in any way, we are not responsible for their use.

Comments in “Off-season marijuana crops outdoors” (75)

for meget kortisol i kroppen 2020-12-23
Great website. Plenty of useful info here. I’m sending it to a few friends ans additionally sharing in delicious. And certainly, thank you in your effort! for meget kortisol i kroppen

Tim Alchimia 2020-12-24
Thanks for your comment, we’re so happy that you0re enjoying our content! Best wishes and happy growing!

Happy medium Is an Alchimia client 2020-07-12
Hi. I live on the Costa Blanca. For the previous two years I have been fairly successful in growing just four plants for private consumption. Last year and this my plants get the first leaves and then die. When I look they haven’t formed any roots just the main one. I am doing the same as before so I don’t understand. Do you supply plantlets please. Is it too to plant some more now

Tim Alchimia 2020-07-13
Hi, thanks for your comment. I’m very sorry to hear about your plants dying, do you have any indication at all of what the problem could be? Did you grow them from seed? Are you certain that they haven’t been over-watered? That’s usually the main error with young plants, the roots become water-logged and can’t develop fully because of lack of oxygen. Alternatively, it could be due to some kind of pathogen in the soil. Are you using new, high-quality potting compost? I’m afraid that we don’t supply clones or any live plants, so unless you can find some clones from a nearby grower, you’ll have to start some more seeds. It’s not too late in the season to do this, but you may want to sow twice as many seeds now to compensate for the fact that they won’t grow as big now it’s late in the season. Products such as X-Seeds will help your seeds get the best possible start in life and fortify the young plants against many problems. I hope that helps, best wishes and happy growing!

Jordam 2020-06-05
Hi there. I’m in south Africa. Newbie. Got a couple of seeds from a buddy whos quite good at this. I mean extremely good at this and he said there’s a good chance that they’ll feminized. Theyre in the ground outisde in the garden near a lemon tree. I wont lie they’re not directly in the sun but a shady area. The soil seems to be alright. Lots of vines underneat that I ripped out before turning it with a fork and making it real soil like. I could plant flowers sort of soil. They sprouted and I got the 2 leaves and the 2 roundish ones that get left behind when it grows.. Now I know I’ll need LED because of the sun issue. How bright do I need to go? For say 2 little plants? and also if I do manage to grow these guys and they are female, will they flower even though I’m growing in winter? Temperatures go to about 29deg Celsius during the day and 9-12deg at night when its warm. On cold days (rarely) it goes between 4deg Celsius and 11. I’m just trying to grow something to smoke. Nothing too serious so I don’t mind a sloppy job of a set up

Tim Alchimia 2020-06-08
Hi Jordam, thanks for your comment and question. Good on you for starting your first grow, well done! Sounds like the soil you’re working with is great for the job, it should be in a well-drained spot because if there’s one thing that cannabis can’t stand, it’s waterlogged roots! As for the sunlight/shade issue, is the spot in shade all day long or does it receive direct sunlight for a few hours? If it’s in shade all day then you’ll definitely need some extra illumination, although what you use will largely depend on your budget. I’d say that you should use the most powerful lamp that you can get hold of, after all, you’re trying to compensate for lack of sunlight! You’ll also need the additional illumination to stop the plants flowering immediately under the winter sun. This is because the days are currently short enough to trigger flowering, so as soon as the plants are sexually mature (usually 4-6 weeks after germination), they will start to flower unless you artificially extend the daylight hours to at least 16 hours each day. In this way, you’ll be able to control the size of your plants by giving them 16 hrs light or more per day until you decide they’re the right size to flower. At this point, you can cut the hours of artificial light to match the natural photoperiod and, and as long as you do this before September/October (Southern hemisphere), the plants will start to flower. Be aware that the natural spring photoperiod, with daylight hours increasing every day, can stress the plants somewhat, often leading to hermaphrodite flowers appearing. To avoid this, you should use your artificial lighting to compensate for the lengthening days. I would do this by calculating the approximate day length on the predicted day of harvest (i.e. the longest day of the flowering cycle) and then using that day length as the flowering photoperiod throughout. I hope that helps, best wishes and happy growing!

connor 2020-03-24
Hi, i live in the uk. this is my first time giving it a go and ive just planted 3 pineapple express auto seeds and they are currently just sat in the kitchen waiting for that first sprout. once they sprout i am planning to move them into a pop up green house in the garden. so my questions are, do i need to worry about temps dropping too low during the night even when they are in the pop up green house? . would it be better to take them out of the green house in the day and put them in direct sunlight on the patio? . is it worth doing the LST method for outdoor autos? . also is there any tips for my situation. thanks

Tim Alchimia 2020-03-27
Hi Connor, thanks for your comment and questions. To be honest, it’s probably a little early in the year to be starting autoflower seeds for outdoors, mainly because the lower temperatures and bad weather at the start of spring mean that they’re not going to get the perfect conditions for growth, so they’re not going to be able to give you the yields you might get if you sowed them, for example, a month later. So, yes, now you’ve started them I’d recommend that you do as much as you can to optimise their growing conditions until spring gets warmed up, so you might need to bring them indoors on cold nights, and you’re definitely going to want them in full sunlight for as much of the day as possible and protected from the cold at night. You can do some LST on the plants, but I wouldn’t go too extreme on autos, with them having such a relatively short cultivation cycle. I usually tie down the main stem to lie it roughly horizontally, this is to prevent it from making one large main cola, which can cause mould problems in my relatively humid climate. I definitely don’t recommend any pruning or topping with autos, as the time it takes out of their short lives for them to recover means it isn’t worth it. The main tip I can offer for autos would be to be very careful not to overwater or over-fertilise them, again, because they have relatively short lives, any problems like this will greatly affect the yield you’ll get at harvest time. We’ve also got a couple of blog posts that would be worth reading: Tips for growing autoflowering cannabis and Growing autoflowering cannabis. I hope that helps. Best wishes and happy growing!

Jorge Salia 2020-03-04
One thing I did not point out is that I would like to make them grow until Autumn

Jorge Salia 2020-03-04
Firstly, thanks for the guide. Secondly, I cannot find anything about my complex question. I’m starting my plants indoor and I’m planning to move them outdoor on 15th of April when they will receive 13 1/4 hours of direct sunlight (from sunrise to sunset). I would like to know if I can start now with a cycle of 13/11 indoor and then move outdoor or they will start blooming. What can I do otherwise?

Tim Alchimia 2020-03-04
Hi Jorge, thanks for your comment and question, I’m really glad you’re finding the blog useful. If you’re planning to move your plants outdoors so early in the season, they’re definitely going to need some supplementary lighting to stop them flowering. From everything I’ve read and experienced over the years of growing outdoors, most cannabis plants are triggered to bloom by days of less than 14 hours (or conversely, 10 hours of uninterrupted darkness), give or take. Of course, there are exceptions, like some extra-early varieties that will flower when the days are even longer, as well as other varieties that will only begin to flower when the days are 12 hours or less, for example tropical “Sativa” varieties that might not finish flowering till December or January. So, to avoid this, you’ll either need to put them out later in the season when the days are longer or provide them with a few extra hours of supplementary lighting. Personally, I put my plants outdoors in mid to late-May but I use a couple of solar-powered LED lamps that switch on automatically at nightfall to provide enough light to ensure they stay in vegetative growth. I don’t think it’s a good idea to match the indoor photoperiod to the outdoor one if the outdoor one is less than 14 hours. I believe that would cause plants to bloom prematurely, and in general, I’d be really uneasy trying to veg plants in such a short day. I much prefer to give 18/6 photoperiod indoors and then supplementary light for a few weeks once they are outside, I feel I get more growth and much less chance of a plant starting to flower. It’s also worth noting that cuttings/clones are more likely to start flowering than plants grown from seed, simply because the clones are already mature, adult plants ready to reproduce, while as a general rule, the seedlings must go through certain hormonal changes before they can be triggered to bloom. I hope that answers your question clearly enough. If you have any further doubts, please feel free to ask. Best wishes and happy growing!

Fame-time-farmer 2020-02-27
Tim Alchimia thanks for the quick reply I really appreciate it man!! On the site where I purchased my baby seedlings from it says fast finished 53-63 days, as you said the Autum weather can be good for them and I don’t exaggerate when I say hearing that made my day! But does this mean 58 days roughly start to finish? Because I always thought it was at least 3-5 months for most Indica’s to grow and was a littlw unsure as I can’t change the lighting from 16 hours in the vegetation faze to 12 hours in the blooming stage, there will be 10-12 hours around the cloth with direct sunlight but I can’t find anywhere telling me what’s the go with the transition from vegetation to bloom in outdoor Autum weather. Once again thanks so much for the quick and assuring reply and I look forward to hearing back from you or your associates again! 🙂

Tim Alchimia 2020-02-27
Hi again and thanks for the kind words and your question. The answer will depend on whether the seeds were “autoflowering” or not. An autoflower plant will start to bloom after a few weeks of vegetative growth, regardless of photoperiod. This means that the time listed on the pack will represent the full life cycle of the plant, from germination to harvest. On the other hand, non-auto plants will give the time needed for the flowering phase only, as the vegetative growth period can be as long or as short as we like, controlled by the photoperiod. In either case, as you’ve started the seeds quite late in the growing season they won’t have much time for vegetative growth before being triggered to bloom by the photoperiod (if they’re non-autos). Here in the northern hemisphere, my outdoor plants start the transition to flower around mid-August. For you, (I’m guessing you’re in the southern hemisphere) this translates to mid-February (depending on just how far south you are), so your plants are very likely to begin flowering as soon as they mature because they’re already growing in what is effectively the “flowering photoperiod”. Unfortunately, this means that they probably won’t get very big in size, or give you a huge crop at harvest time, simply because they won’t have had enough growing time to get big before flowering. The harvest you’ll get from a non-auto will depend almost entirely on the amount of vegetative growth the plan gets, for example, I like to germinate my outdoor seeds in March/April to give them 4-5 months growing before they begin to flower so they get really big and give large harvests! I hope that helps out, best wishes and happy growing!

Fame-time-farmer 2020-02-26
Hi there, it’s the 26th of febuary and I’ve just put some fast growing (53-63 days) plants in an intensive sunlight area. it receives I’d say 10 hours of direct sunlight per day but I was worried that they might not survive the early onset of winter, roughly the temperautres won’t drop below 13 celcius until the very end of the crop but I am still skeptical as their genetics are reccomended for indoor growing and that isn’t an option for me. If anyone has anything helpful input, I’d be very happy to hear and appreciate it. Thanks!!

Tim Alchimia 2020-02-26
Hi there, thanks for your comment and question. I think you’ll be fine. It sounds like you’ve chosen a good spot to grow in, a low of 13ºC isn’t going to cause any serious problems for the plants, in fact, a little cold at the end of the flowering period can be really good for flavours, resin production and can also give some beautifully coloured flowers too, depending o the genetics! If you want to be absolutely sure that your plants don’t suffer on cold nights, you can use some horticultural fleece to cover them once the sun goes down and temperatures start to drop. It’s lightweight, breathable and allows light to pass, but acts very well as an insulating layer over the plants. I hope that helps, please let us know how you get on. Best wishes and happy growing!

See also  Growing Weed From Seed Outdoors

Matheus 2020-02-18
Great text! Hello : ), i from south hemisphere and have a question. If i seeding from regular seed in the end of summer, in 12/12 natural. How long does a plant grow before it starts to bloom? can i have some harvest?

Tim Alchimia 2020-02-19
Hi Matheus, thanks for your question. The answer depends on the type of seeds you’re planting. For example, a Sativa-dominant variety would probably give you a good harvest and grow to a decent size before flowering, as Sativas are naturally used to growing in 12/12 photoperiod, like the tropics. Indica-leaning varieties are more likely to start flowering before they’ve grown very big and end up giving a relatively small harvest as the plants won’t have had time to develop sufficiently in size to produce much quantity of flowers. I hope that helps, all the best and happy growing!

pixi 2020-02-12
Hello! i was wondering can i put in front of my weed plant green net to hide it? i tried to see if sunlight goes trough and its almost same as with no net, so is it ok if i hide it behind green net? will it get enough intensive light how can i know after few days if plant is not getting enough light? thank you for helping!!

Tim Alchimia 2020-02-13
Hi pixi, that’s a great idea! There are various thicknesses of shade-cloths available for hot, sunny areas and they also do a great job at hiding plants from prying eyes! Enough sunlight ought to get through to allow your plant to flourish, even though these things are really designed for use in summer. If the plant’s not getting enough light you’ll notice slower growth and the buds will be more airy and fluffy at harvest time, but hopefully, you won’t have too many issues of that sort, by the sound of it. Let us know how you get on please, all the best and happy growing!

Mike 2020-02-09
I’ve started growing some OG Kush and Kali Dog which have just finished germinating today. I’ve planted my seeds in small pots and would like to know when it would be suitable to put my plants outside. I’m currently living in the UK where the temperatures are roughly 10°C during the day and 5° during the night.

Tim Alchimia 2020-02-10
Hi Mike, thanks for your comment. Okay, a couple of points here. Firstly, the photoperiod for springtime flowering starts around the beginning of March. Personally, I like to get my plants into the greenhouse to start flowering in the first week of March, and up till that point, I keep them indoors under lights and take them outside on sunny days to get them used to the sunlight (otherwise they can get a shock/stress at the sudden change in light intensity). Secondly, if you want to put them outdoors in Spring in the UK then they’re going to need some kind of cover or protection like a small greenhouse/polytunnel to keep the worst of the weather off them and to raise the temperatures a bit. Otherwise, I’m afraid they’re just going to be too cold to grow properly. If you’ve got a sunny south-facing wall then that’s a great spot to set something up, even if it’s just a cover for night time and when it rains or hails etc. Spring cultivation never gives the same results as summer/autumn in terms of flower size or weight, because the temperatures are lower and the plants grow slower, and also the light is less intense, so yields are somewhat less. However, the cold weather means that resin production is boosted, and the terpene content is higher, so you’ll end up with potent and tasty weed, but less of it than if you’d cultivated in summer & autumn. A bit of advice for you. when you do harvest these plants (around mid-May) try leaving some bud and leaves on the plants so that they can re-veg and you’ll be able to get another harvest from them at the end of summer. You’ll have to re-pot them and feed them properly, but once the photoperiod gets over 14 hours of daylight per day they will cease flowering and begin to grow again in response to the longer days. I’d recommend you keep the plants you were happiest with and let them grow again all summer, you’ll be rewarded with a much bigger harvest! I hope that all makes sense, best wishes and happy growing!

pixi 2020-02-03
Thank you for helping me! i set up 75watt led warm white light about 40 cm away from seedling it started to open up , now days its cloudy and hot so i will try to use that and put it out so it gets big and strong, just one more question is it important to hold fan when its indoors for durability of stem? and how long to hold fan if its important. thanks for the help im first time growing autoflowers so im a bit scared!

Tim Alchimia 2020-02-04
Hi pixi, no problem at all, that’s what we’re here for! A fan or some air movement is definitely a good idea to help strengthen the stem of your plant. I’d start with a gentle setting and if possible use an oscillating fan, which rotates in a slow arc so it doesn’t keep the air current directed towards the plant at all times (which can definitely stress the plant too much!). I hope that helps, if you have any more questions you know how to find us! Best wishes and happy growing!

pixi 2020-01-31
thank you for fast answer its cloudy right now i put it indoors under normal light bulb until sunny days is it ok to hold it under normal light?

Tim Alchimia 2020-02-03
Hi pixi, yes a normal light bulb will do the trick, although to be honest, even on a cloudy day, the sunlight will be more powerful than a household bulb. At this point, the most important thing is to keep it in vegetative growth and for it not to initiate flowering before it’s big enough to offer you a decent crop. So you could have it outside during the daytime and then bring it indoors at night for a few hours more of artificial light. I’d recommend you to read our post The Photoperiod of Indoor Cannabis Plants to get a better idea of how these things work. I hope that helps, all the best and happy growing!

pixi 2020-01-31
Hello i just got 3 AK royal seeds and planted one today 31-january , i live in mediterranean climate , will it grow? the temp right now at day-15c and at night 9c what can i do to help her grow outdoors, and should i move the plant in house if it rains heavy or at storm?

Tim Alchimia 2020-01-31
Hi pixi, thanks for your comment. I’d start the plant indoors, under a light of some sort. At this time of year, the sun is not very powerful and the hours of daylight are too short for proper vegetative growth. Ideally, you want to keep it indoors with 18 hours of light and 6 hours of darkness until early March, when the outdoor photoperiod reaches roughly 12 hours of darkness and 12 hours of daylight, perfect to initiate flowering. This way you’ll get a nice sized plant before you start flowering, whereas left outdoors it won’t grow much and may even begin flowering very quickly due to the short days, resulting in a very small plant and a tiny harvest! Even though you’re in the Mediterranean area, once you put it outdoors you might need to give your plant some protection from the elements (like a small patio propagator/greenhouse), especially if you want it to grow well and get a half-decent harvest. By the time it begins to fully flower around late-march, the weather ought to be good enough that you’ll be able to leave it to finish uncovered unless there are any heavy storms, in which case it’s a good idea to bring it indoors or put it in a greenhouse. I hope that helps, all the best and happy growing!

Daniel Moreno 2019-10-14
Hey guys so I have 2 questions? sorry in advance for the newbie questions So I just sprouted some seeds. I live in Ontario, Southern California How would I be able to transition these plants from indoors to outdoors when the time comes, with out them flowering to early. I want them to vegg all the way through August and be ready to harvest by October like normal seedlings would. Should I keep them under 18/6 light indoor and put them out in mid-late may? or can I keep them under 10:30 hrs- 11:30 hrs of light until I put them out side in February -March. That way when they go outside, they have already been on this schedule all their life. February 1 we are getting 10:30-45hrs of light a day. March 1st we are getting 11:30-45 hr of sunlight a day April 1st we are getting 12:30-45 hrs of sunlight a day by mid month we are at 13 hrs

Isabel 2019-09-15
I’m looking for that kind of outdoor greenhouse to protect already existing very tall plants from rain during flowering, but that we can leave on them even if not raining. 7′ tall at least. Do you have a link to one you’d recommend? I assume it needs to be clear so they get enough sun, and with zippable windows/doors for ventilation? Need 2 of them, so looking for a sort of pop-up kind. Help?

Tim Alchimia 2019-09-17
Hi Isabel, thanks for your comment and question. All the pop-up type greenhouses I’ve seen on the market are rather cheap and nasty things that wouldn’t last very long at all outdoors exposed to the sun, they mostly lack decent ventilation so wouldn’t really be suitable for leaving on when not raining. I have seen some with small ventilation windows, and these may work to some extent but I wouldn’t trust my buds in there! Quite apart from that, I’ve not seen anything tall enough to accommodate 7ft plants! I’d say the best option would be a quick hoop-house. These can be made to almost any size you like, using PVC tubes as the arch and ridge poles, then covering with a transparent plastic sheet that can be rolled off in good weather and quickly rolled back over the plants when it rains. All the best for the rest of the season, happy harvests!

Emma 2019-08-29
Hi there, I live in the countryside just outside Valencia, I am just starting to grow my some Auto’s. I am understanding correctly that outdoors they will still grow ok, ready to harvest in 8 weeks, I will just get a smaller harvest than if I had planted them earlier in the year or do I need to provide light for them in the evening once It has got dark? I have always sprouted beginning of May, this is the first time I am attempting to grow outdoors at this time of year. TIA for any advice

Tim Alchimia 2019-08-30
Hi Emma, thanks for your question. Yes, you’re right, at this time of year and in your part of the world Autos will grow fine started at this time of year, although as you already know, the yield will be considerably less than when planted in late Spring/early Summer. Any supplementary light you can give them at night will definitely reward you with a higher yield. Being autos, they can be under 24h of light and still flower perfectly, so don’t hold back with the lumens! As far as the rest of the grow goes, just make sure that you protect the plants from any early frosts that could cause damage to the flowers and if you can cover them when it rains they will appreciate it. I hope that’s helped, if you need any more advice, you know where we are! All the best with the rest of the season, happy growing!

Art Vandelay 2019-06-11
Hello I live in a coastal city in mediterranean zone and grow some feminized strains in my greenhouse. Nowadays, My plants are in the end of growing period. ( After 8 weeks from transplanting ) In this season, i want to use light deprivation method for flowering. Last week, i installed a small aluminium frame construction for coverage of my plants. ( Interior smaller greenhouse ) I will use breathable Blackout fabric for darkening. Here, Civil Sunrise and Sunset are 05:00 and 20:50, today. ( Total 15 hours and 50 minutes sunlight ) Because of this, i will keep open my Blackout fabric between 07:00 and 19:00, everyday. But if i can’t keep on this routine, for just one day and if my plants take 15 hours sunlight, what is it’s negative effects on flowers? And is overlighting just 1 day enough to turn back revegetation? ( After that day, i turn back to 12 hours sunlight routine ) Or i can keep them in dark; For example, i can close curtains 19:00 on Tuesday evening and open 07:00 on Thursday. ( Total 36 hours darkness ) What would you do if you were me? Thnx a lot.

Dani Alchimia 2019-06-18
Hi Art, I don’t think your plants will be stressed for taking 15 hours only one day. 2-3 consecutive days could cause it to start revegging, but not just one day. About keeping it in complete darkness for 36 hours, there’s no problem at all as long as humidity levels don’t raise too much. I think it’s safer to have them one day with 15 hours of light mainly because of the humidity issue. But if you can solve that, 36 hours of darkness won’t be a problem at all. Hope this helps!

Bart 2019-05-24
I put a clone outside from a 24/0 veg indoor it was a few months old.It was around the first of may in OK.It is flowering didn’t know that would happen till this thread.my question is what’s next,will it finish,will it not and reveg possibly stressing it to herm.should I think about light dep to keep it from reveg. Thanks

Tim Alchimia 2019-05-27
Hi Bart, yes, I’m afraid clones will do that, being mature plants, they will begin to flower if put outdoors before mid-late may. At this stage, what you do next depends on a few factors. If it’s a special clone that you’re not able to easily replace, personally I’d try and reveg it so it grows bigger before it begins to flower naturally around mid-august. This may stress it somewhat but it shouldn’t provoke hermaphrodite traits unless those traits are already present. I would re-pot it, pruning some roots away in the process, and possibly removing the flower tips as well to provoke more vegetative growth. Applying foliar feed of Kelp solution can help reduce stress and start growth again. On the other hand, if it’s an easily-replaceable clone, I’d just leave it to do it’s own thing and it may well reveg naturally outdoors, and in the meantime, I’d try and get another new clone. I wouldn’t really recommend doing a light dep for the next 2 months just to finish one plant. In my experience it’s a real chore having to cover and uncover a plant at the same time each day. I cn understand putting the effort in for a hoop house full of plants, but for just one plant it seems excessive. I hope that helps, please let us know how you get on. Happy growing!

Randy 2018-12-21
Hi, I’m in the Caribbean and just put some clones outside and it’s the and of December so I’m freaking out. They are only about 20 inches tall. Am I to expect them to not Veg anymore and just start flowering? I’m heart broken.

Tim Alchimia 2019-01-02
Hi Randy, thanks for your comment and question. Because of your tropical location the daylight hours are pretty much stable throughout the year, meaning that any clones will begin to flower as soon as you put them outdoors at any time of the year. You can avoid this by giving them supplemental lighting to fool the plants into thinking the days are longer, so they will continue to grow and not start flowering. Another option would be to start plants from seed, using genetics that are native to the tropical zone, which should be able to grow to maturity outdoors without any additional illumination. For that kind of seed I can highly recommend seed banks such as ACE Seeds, Cannabiogen Seeds, and Underground Seed Collective who have all worked extensively and had great success with tropical varieties. I hope that helps, all the best and happy growing!

CaliMist 2018-12-02
Hey there. I live in SoCal and was thinking of trying to have 3 outdoor harvests next year. I’m still a bit confused by the Spring harvest grow. I have regular photoperiod sativa seeds. If I start them indoors in January and put them out in February, are they going to flower right away, or does that only apply to auto seeds?

Tim Alchimia 2018-12-05
Hi CaliMist, thanks for your question. In Spring the natural photoperiod (hours of daylight) is the same as in autumn when cannabis flowers in the wild. The only difference is that instead of the days getting shorter as the season progresses, they get longer. So if you put a (non-auto) plant outside at the beginning of March it will begin to flower and if all goes well should be ready to harvest in mid-May when the daylight period gets over 14 hours, at which point plants will try and revegetate. If you say you’re starting sativa seeds, then maybe germinate them a little earlier as they’ll take longer to mature. For a spring harvest I personally much prefer using Indica varieties as they flower quickly, will definitely finish before mid-May, and are much less prone to revegging, whereas sativa varieties can be touch and go, often not being mature in time. It’s worth noting that the increasing daily photoperiod can provoke the appearance of intersex traits/hermaphrodite behaviour in plants, so you’ll need to keep a close eye for male flowers on your female plants. However, on the positive side it’s a great way to stress-test plants and select stable individuals as mother plants for future cultivation. I hope that’s helped clear up your doubts, happy growing!

Chris 2018-10-30
Oh i think you misread that. It’s actually very small. 6-8 inches, not feet. I wish it was feet haha! I’m worried it might be flowering too early, from other similar comments. Because of the light cycle, etc. I’m wondering if moving it completely indoors with a longer light cycle would change or if it’s too late. I don’t want to confuse or kill it, in case I can get something from it. Also, it’s usually warm in Colorado during the day but we do have cold stretches. What’s the lowest outside temp before the plant is hurt? Should I keep inside all day for those days and is regular light okay or does it have to be CFL?

Tim Alchimia 2018-10-31
Hi again Chris, hahaha yes I definitely read that wrong, so that’s one thing you don’t need to worry about at all then! Personally I’d try and keep it at the same photoperiod as outdoors, so as not to confuse and stress the plant, which could lead to problems like halted growth and possible hermaphroditism. As far as temperature goes, a lot depends on the genetics, some plants will deal with the cold really well while others can’t stand it. I’ve got plants outside now and at night they have been getting as low as 35ºF. They’re not growing much but they don’t appear to be suffering either, but daytime temps are more reasonable, around 60. An extended cold period would not do them any good at all. So, if you can bring it inside on the coldest days you’ll definitely be doing it a favour, as long as you don’t mess about with the photoperiod. The light you use will definitely affect the outcome, in short the more powerful it is, the more flower you’ll get, although I think a cheap and simple solution would be to put the plant on a south-facing window sill and have it outside when temperatures permit. If you are going to get a light bulb to finish the cycle, for the best results make sure it’s designed for flowering, with a low colour temperature, (ie between 2000k and 3000k) a reddish light spectrum to simulate the autumnal sun. Hope that helps, all the best and happy budding!

Chris 2018-10-29
I planted a seed outside in Colorado in late August/early September and it sprouted. It’s about 6-8″ tall now and a female! I’m keeping it outside during the day as long as possible (about 10 hours of light) and bringing inside the pure dark room at night for the remainder. Is there anything I should do to help it grow bigger and yield more? It looks like there are white hairs and some pre buds forming all over but it’s not growing much bigger last few days.

Tim Alchimia 2018-10-30
Hi Chris, great news, I’m glad your plant is a female and doing well too! Sounds like you’ve got a handle on things at the moment, the only thing I’d say is that since it’s quite a large plant, you’ll need to make sure she’s in a container that’s large enough for her to complete flowering without any problems. Of course, since you’re moving her twice a day I can understand you not wanting to use a huge, heavy container, but my advice would be to try and get her into the biggest one you can manage as soon as possible, taking great care during transplanting to make sure not to cause stress which could delay flowering. Apart from the size of container, just take care to irrigate properly, not too much, not too little, and make sure the plant receives all the nutrition she needs at the right time. The nutritional needs are dealt with on our blog in a more detailed post on Flowering in Cannabis Plants which should be of help to you. All the best for the rest of the season, happy flowering!

NormA 2018-10-29
Tim, Newby here. Location, zone 9B, hoop house with just film and drip system no heat or lights. Hoop house temps in winter 70-80 days, 50-60 at night. Plan on starting 50 seeds tomorrow. Any advise My second grow

Tim Alchimia 2018-10-29
Hi NormA, thanks for the question. Sounds like a good setup for your zone. The only thing I’d say is that with the photoperiod at this time of year, the plants will start to flower very quickly, after a very short growth period. This means that if they’re mostly Indica genetics then they won’t grow very big in size and won’t yield all that much. If the seeds are mostly Sativa then it shouldn’t be a problem as they will start to flower a little later and will tend to continue growing well into the flowering period, meaning they’ll also deliver a bigger yield at harvest time. All the best with the grow, keep us updated please. Happy growing!

Terri Mills 2018-10-22
What if I want to grow just a single plant in a homemade mini greenhouse and start now in late October? Any suggestions? I live in Bakersfield, CA, which is kinda like the desert so it’s not really cold like. never ever snows here but I really need a lot of advice.

Tim Alchimia 2018-10-22
Hi Terri, thanks for the question. Yeah that’ll be a good idea as long as it doesn’t get too cold it’ll grow fine. However because of the short days in autumn & winter it will start to flower as soon as it goes in the greenhouse and it won’t grow very big at all, meaning it won’t give you much bud. You can either add some supplementary lighting to give your plant another 6-8 hours of light until it’s big enough to give a decent yield, and then remove the extra lights so it will flower. Or you can forget about extra lighting and simply have more plants to compensate for the small yield you’ll get from just one. All the best and happy growing!

Ginnette Gonzalez 2018-10-02
I planted my plants 6 monts outside now they started to budding but winter is here what i do to safe my plants

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Tim Alchimia 2018-10-03
Hi Ginnette, thanks for your question. How long have your plants been flowering? Plants usually take anything fro 2-4 months to mature fully, so if they’ve only just started and it’s turning to winter in your area, then you’d better bring them inside and give them 12 hours of light and 12 hours of darkness each day if you want them to finish flowering properly. Otherwise a greenhouse could do the trick as long as winter conditions are not too harsh where you are. However if the plants have been flowering for a while now they may be nearly ready to harvest. Keep a close eye on them to remove any possible mould infections which could devastate the crop. Make sure they’re in a position to receive as much sunlight as possible during the day. If you’re growing in an area with a short summer time and harsh early winters, then we’d recommend planting fast flowering varieties, or even autoflowering plants to ensure the flowers are mature before the first frosts. If you could supply a bit more information about the plants and how they’re growing, maybe we can help a bit more. All the best and happy flowering!

Chino 2018-07-22
If I plant a seed in late August early September outside in southern California well it work ?

Tim Alchimia 2018-07-24
Hi Chino, thanks for your question. To be honest I think late Aug/early Sep is a bit too late to sow anything apart from the most extreme tropical sativa plants. This is because Indicas and hybrid plants would start to flower almost immediately after germination, giving them very little, if any, time for vegetative growth, so they’d be really small and produce almost nothing. A tropical sativa (Colombian, Panamanian, Malawi, Thai, Haze etc.) would at least grow a bit larger, as they are slower to flower and more accustomed to growing in a 12/12 light/dark photoperiod. You’d probably be looking to harvest around Christmas time, which ought to be be enough time to get a half-decent harvest from the plants. I hope it works out for you. Happy growing!

Art Vandelay 2018-07-17
Thanks a lot Tim. That s really helpful. I agree with you. I m gonna use my Sativa seeds. So, what is optimum spacing between plants in your opinion? ( or how many plants per 1 square meter )

Tim Alchimia 2018-07-18
Hi again Art, thanks, I’m really glad I could be of help. As for plant spacing. are you pushed for space? If not then I’d put the plants at one or two per square metre to guarantee maximum growth, ventilation and light exposure, as they’re hopefully going to grow fairly big, being sativas. Of course, you can plant them closer together, particularly if your area has a dry climate, but there’s always a chance they might not get as big that way. I grow in a humid part of the world, so I tend to err on the safe side and maximise spacing. Sorry I can’t be more specific, but it really does depend on each individual situation. All the best and happy growing!

Art Vandelay 2018-07-15
Hola! I live in a coastal Mediterranean city. I want to start growing 20th of August in my greenhouse ( Sowing: 1st of August in grow room. Transplanting to greenhouse: 20th of August ). The weather conditions are similar to south of Spain. Maybe a little hotter in autumn. It’s warm and sunny until first half of November. And first frosts begin in early January. DAY LENGTHS; 15th of August. 13:34 (+1 hour total Twilight) 1st of September. 12:58 (+1 hour total Twilight) 15th of September. 12:26 (+1 hour total Twilight) 1st of October. 11:48 (+1 hour total Twilight) 15th of October. 11:16 (+1 hour total Twilight) 1st of November. 10:41 (+1 hour total Twilight) 15th of November. 10:12 (+1 hour total Twilight) 1st of December. 9:49 (+1 hour total Twilight) I have an personal experience about off-season autumn greenhouse growing, 2 years ago. I started to growing end of August. I used regular mixed seeds direct to earth, from last season ( not F1 or branded or hybrid..). Because of this, they had no uniformity. Some of plants started to flowering too early and finished with 10-20 grams yield and 30 cm height. But generally ( may be 50% ), they had 120-150 cm height and 150-250 grams yield per 1 plant. Buds were harder and more compact than spring harvests. I cut all of them on end of November. But this time, i will keep my seedlings under artificial lights in my grow room, 18 hours per day.( 3-4 weeks, for extra growing period ). And later, i will carry them to greenhouse. I don’t want to Auto strains. Because, they may be faster and neutral to sunshine. But they have a lot of risks too; Days are shorter. Because of this, they will be small and low yielder than feminised seeds. And most important critical point; I must to use more and more auto plants than feminised strains, to same yields . It can be a big problem for local laws. In your professional opinion, which cannabis family ( sativa or indica) and strains are best choice for my conditions? Criterions: Highest Yielder and LOW ODOR. Please help. I have these feminised seeds; * Black Domina * Super Lemon Haze * Amnesia Haze * Amnesia Lemon * Ak 47 * Girl Scout Cookies * Jack Herer * Moby Dick * Northern Lights * Somango * Super Skunk * Green Poison * Green Poison Fast Version * Sweet Skunk Fast Version Please advice 2-3 strains to me.. THANKS A LOT.

Tim Alchimia 2018-07-16
Hi Art, thanks for your question. It’s an interesting proposal. You’re planning to put small seedlings out in the grenhouse in late August, where they will start to flower practically immediately, without much, if any, of a vegetative growth period. Well, you’re right about Autos, there’s no benefit to planting them in this scenario, the days are short enough for photo-dependant plants to flower so why bother with inferior genetics. With such a short veg period I’d advise you to plant Sativa-leaning varieties if you want to have any kind of a yield. They will grow bigger and continue to stretch during the start of flowering, so they’ll definitely yield more than indica varieties, which will tend to stay short and compact and finish much faster. Personally, I’d go for the longest flowering varieties from among your selection, maybe Jack Herer, Moby Dick and whichever of the various Amnesia or Haze options you think would be the last to finish (and possibly the least smelly). If you really want to grow Indicas I’d advise you to start them earlier in the season so they can develop a large enough structure before flowering. As far as the odour goes, a lot depends upon the particular phenotype you’re growing, you can get both really stinky plants and less smelly ones from the same packet of seeds. However, bear in mind that most varieties have been selected for the intensity of aroma and flavour, rather than the lack of it, so non-aromatic varieties aren’t that easy to come by. In fact, we’re currently working on a blog post dealing with this very subject, so keep an eye out for it in the near future. Hopefully that’s helped you out a bit, happy growing!

Medical Marijuana 2018-06-26
I prefer to grow weed outdoor. Because it will cost you less than growing indoor. Sunwest Genetics

Clint 2018-06-01
I live in antigua I planted my seeds in early May the plants is just growing big when should I expect them to flower

Tim Alchimia 2018-06-04
Hi Clint, thanks for your question. I’ve been looking at the hours of daylight you get in Antigua, and even at the height of summer it’s barely over 13 hours a day, which should be low enough to trigger flowering in cannabis plants as soon as they’re mature enough. I’d say it won’t be long before you start to see flowers appear on your plants, but really it depends on the genetics you’re growing. I’d say you live in a great place to be able to grow some really impressive tropical Sativas. All the best and happy growing!

dominic 2018-05-14
Thanks Tim ill be sure to look into light dep and cover the greenhouse with a black construction plactic, stay blessed and same to you

dominic 2018-05-13
I have an indica strain thats flowering after 2 months of veg, its currently in 2 weeks of flower and its in mid may. If i took the plant outdoors now would it revert back to veg, or would it stay it flower?

Tim Alchimia 2018-05-14
Hi Dominic, thanks for your question. I’m assuming you’re in the Northern hemisphere, so yes the plant will start to re-veg if you put it outside any time from mid-May onwards. If you really want to keep it flowering outside then you can cover it for 12 hours each day to simulate the darkness of night, a technique known as light-deprivation. All the best and happy growing!

Ian Thompson 2018-05-12
Thanks Tim! I really appreciate all your info!

Tim Alchimia 2018-05-14
No problem Ian, my pleasure! Thanks for your kind words they are much appreciated!

Ian Thompson 2018-05-03
Thank you for all of this information! It has been very helpful and last month I successfully harvested my first off season grow with photos. I am very interested in the medicinal landrace plants that Jake Sturm wrote about. I’m not sure how to contact you but I definitely want to know more about these plants. Thanks!

Tim Alchimia 2018-05-04
Hi Ian, I’m not sure which plants Jake was referring to either, it’s not really clear. However there are several options for landrace sativas that I can recommend. Firstly a great option recently released on the market would be ACE Seeds Lebanese landrace, which is a sativa with naturally occurring high CBD and therefore a great option for medicinal use, and besides, these are plants that traditionally would have been planted close together in large fields just as Jake describes. Could be worth a try. Aside from the Lebanese, ACE Seeds do a fair few pure landrace sativas like Ethiopian and Honduras among others. Other highly reputable seed banks for landraces include Cannabiogen and Underground Seed Collective. Hopefully you’ll find something suitable for your needs, or maybe Jake will get back on the thread and enlighten us as to what genetics he means. All the best and happy growing!

Unkhan Is an Alchimia client 2018-04-19
Revegging doesn’t sound so great and the plants are still small, so they would produce a tiny yield. I think I am just going to sacrifice these plants to the Weed Gods, start over with new seeds and call it a lesson learned. Thank you!

Unkhan Is an Alchimia client 2018-04-18
Thank you very much for the informative blog. I live in the Mediterranean and planted several sativa seeds in my greenhouse in mid-February, hoping to get an early start on the growing season. The plants have only grown under the sun (no artificial light). The outside temperature is starting to reach the low 20s, which means the high 20s in the greenhouse, and today I saw that some of the plants are showing white pistils and it is mid-April! My strains got mixed up when the seedlings got knocked over in a storm, so I cannot tell them apart. However, I know that some of them are Early Maroc and Purple Maroc, which I think can flower early. But can they flower this early? It has barely been two months! I recently transferred the plants to larger pots in nutrient-rich soil and wonder if they are likely to reveg or if I should prepare for bud development, which I suppose may mean trying to flush some of the extra nitrogen out of the soil or repotting with soil that is not so hot. Do you have any ideas by any chance? Thanks a million!

Tim Alchimia 2018-04-19
Hi, thanks for your questions! Yes, it’s perfectly natural for the plants to start flowering under the sun at this time of year, although to get any kind of spring harvest they’d really have needed to start flowering earlier, around mid-march. This is because around mid-may they’ll start to re-veg, and they’ll need around 2 months to produce buds properly. The revegetation will also depend on genetics, so the early flowering varieties you mentioned may well carry on flowering regardless, but for everything else I think you’d be best preparing for re-veg. If you’re sowing for a spring harvest in future, I’d try sowing indoors in December to ensure plants are fully mature by the early March when you can put them out on the greenhouse. That may sound like a lot of vegetative growth time, but in my experience at that time of year temperatures are significantly lower meaning growing conditions are far from ideal and plants will develop much more slowly. The important thing is that they are sexually mature at the time we put them out to flower, so in the case of clones you can forget the long veg period. I hope that’s some help, feel free to ask any more questions. Happy growing!

Dian 2018-04-06
Hey guys i have another question. I have two different stains one is 60/40 sativa dominant and one is 45/55 indica dominant. Both strains should finish around May 3rd to May 13th. I looked up how much hours of daylight i will be getting around that time and it is 13:38 to 13:54 will i need to pull a tarp over them in order for them not to re-veg?

Tim Alchimia 2018-04-10
Hi Dian, thanks for the question. I think you’ll be okay, but only just. The Indica-dom should be ok as generally they’re faster and genetically less prone to reveg anyway, but if the sativa-dominant plant isn’t finished by 15th May then you may need to pull a tarp to finish it, but here at 43ºN I usually have 15th May as my limit. Just keep a close eye out for any male flowers that may pop up at that late stage, the stress of the increasing photoperiod can really bring out any intersex characteristics if they’re there. All the best and happy growing!

Dian 2018-03-29
ok thanks 🙂

Dian 2018-03-27
Hey guys are you counting hours of light from sunrise to sunset or from dawn to dusk?

Tim Alchimia 2018-03-29
Hi Dian, we’re counting the hours of daylight, not twilight (Civil, Nautical or Astronomical). Hope that helps!

Djali Mire 2018-03-02
hello..please i will like to have info for growing outdoor in climate warm ine greece,itali,or spain witch is beter for cultivate to earn good product and heavy? and is any mark of seeds to harvest in start of semptember outdoor. i will like to visit your shop soon . please answer ..

Tim Alchimia 2018-03-13
Hi, thanks for your question, we’ve got a whole blog section on outdoor growing most of which information is perfectly applicable to growing in warm climates. As far as seed banks or varieties go, to be honest in that sort of climate you’ll be able to grow almost anything apart from the very longest flowering sativa varieties, so I’d recommend choosing the kind of flavours you like the most. Many of the Indica strains we offer will finish around the end of September, we’ve also written another article about fast flowering varieties which could also help you choose the ideal seeds. All the best, happy growing and when you want to visit the shop we’ll be pleased to see you!

Nor cal Grower 2018-02-03
I am in Northern California. So if I throw indica dominate teens outside in a greenhouse the first week of Feburary, there will be little to no chance that they revert back to veg in April if I don’t throw a tarp (light dep) over the greenhouse??

Tim Alchimia 2018-02-06
Hi, thanks for your question. In my experience, at my latitude (43ºN) it’s not till mid May that plants get enough hours of daylight to want to re-veg. And Indicas are genetically the least likely varieties to want to re-veg, so I’d say that you won’t have a problem, although I’d recommend looking into the hours of daylight in your area, once plants are getting more than 14.5 hours of light a day then there’s a chance of re-veg. Of course, you can probably accelerate the finish of flowering by pulling a tarp during April, but it shouldn’t be necessary. All the best!

A khan 2018-01-01
Hi i am in Pakistan its the 1st of January and there are hundreds of cannabis seeds starting to sprout outside and inside our yard. Some are at an early stage of 2 leaves othes are 6 inchs tall. Will these grow through the year or is this the winter grow. Cannabis grows wild locally with both male and female plants.

Tim Alchimia 2018-01-02
Hi A Khan, thanks for your question. It depends on the genetics involved and if they’re fully acclimatised but I’d guess that most of these seedlings will start to flower in early march as the natural photoperiod approaches 12/12, and will be ready to harvest in mid-may, as long as the winter doesn’t get too cold and kill them off! Good luck with them!

Art Vandelay 2017-12-16
Thanks a lot Tim. I put seedlings to the gound directly in my greenhouse. Because of this, my plants are not moveable. Of course, i know that plants and yield will be lower and buds will be more fluffy than normal season. But it’s acceptable for me. So i said plants will be smaller in this theory. In a normal season (april to september), i can take 700-1.200 gr dried buds per 1 plant in 1×1,2 m2 area ( height: 3,5-4,5 meters ). So 200-250 gr is enough by this method. What is critical sunlight time for re-vegetation risk after start flowering? For examle; We have 12 hours 45 minutes sunlight on 1th of April (Sunrise-05.40, Sunset-18.25) and 13 hours 50 minutes sunlight (Sunrise-05.00, Sunset-18.50), here. Thanks.

Dani Alchimia 2017-12-18
Hi Art, I know Tim is travelling today, so I’ll answer your question. If you don’t want re-vegging problems, then the best option for you is to use autos. They don’t care about photoperiod so you know you’ll be harvesting them X days after germinating the seeds. Still, if you want to use photoperiod strains you must be aware that they’ll be re-vegging by mid May. I’ve aways used clones (actually small mother plants) for my spring crops, which were growing indoors with 18/6 photoperiod until I took them outside by early February. In this way, they start flowering in a few days and I normally harvest them by May. One thing I’ve noticed is that mostly Sativa strains can start re-vegging by early May, while mostly Indica plants continue flowering without problems until late May/early June. But yes, May is the crucial month. Hope it helped!

Art Vandelay 2017-12-11
Hello. I live in a coastal mediterranean city ( weather conditions are similar to Almeria ) . Here, it s sunny and long days on may. Because of this, all feminised strains turn back to vegetation period ( especially since 15th of may ). What is critical sunlight time and limit for re-vegetation danger. And what is the best greenhouse growing calendar in this conditions?. A few weeks ago, i saw Sweet Seeds’ F1 Fast versions of Green Poison and Sweet Skunk on their website. These strains are feminised but have ruderalis genetics too. Is that a solution for re-veg problems? And which feminised ( not auto) strains can you advice to me, for harvest on mid of may? Thanks a lot.

Tim Alchimia 2017-12-12
Hi Art, thanks a lot for your question. As you’ve already worked out, plants that are flowering outdoors in spring in the Northern hemisphere will start to re-veg after mid-May. I think you may be right in thinking that the F1 Fast version genetics produced by companies like Sweet Seeds, Royal Queen Seeds and Delicious Seeds might have enough ruderalis in them to not re-veg as readily as fully-photoperiod plants. I haven’t tried them but I think they may well be worth a try. My own personal experience with this has been that Indica plants are slower to re-veg than Sativas, and the one time I did an our of season crop I ended up having to finish off a few more Sativa-leaning plants by using light-deprivation techniques, ie covering them with a tarpaulin to simulate an extra hour or so of darkness. If the plants are in pots and are easily moveable then you can take them indoors to a dark room for the extra night time needed. So, in summary I would try some pure Indica varieties and some Fast versions, planting them early enough in spring (early March) so that they have time to finish before mid-May brings this kind of complication. Best of luck, happy growing!

Kris kilgo 2017-10-13
Wanted to grow a new truck this year. And figured about 15lbs. Then the work started. The past weed grown by me all stollen. Never thought the day would be here when canibus would be legal. Nor about pH in the soil or how much a plant has to have to grow. ,,

Josh, TarHill 2017-10-07
Correction: Exp 1: Turn in a far red light for a half hour after fliurescents turn off. Also, the after the light sup is over the plants are allowed to flower naturally, without a blackout and with no light sup. We always have a few that dont get the light sup and start flowering a little earlier. The result is that those ones always have much larger buds, but smaller plants. I want to figure out how to get the ones that we pushed to grow bigger to also have big buds, riiiiiiggghhhht?

Josh, TarHill 2017-10-07
Hey there, thanks for the thoughtful responses to everbodys questions. I have a question for you that may not be so easy to answer, correctly that is. I have a licensed farm in northern california and have encountered a situation many times which results in fall harvest plants being underdeveloped and having low yields. We grow clones and seeds in greenhouses. Many times they do very well, all og hybrids that we breed, along with various other standard clone strains. We use flourescent lights at night before june 20th to maintain veg growth and then phase them out by june 1. When we follow that schedule the buds are always huge and happy. When we, for various reasons beyond my control, have to extend our veg period past july 1st, by turning on flourescents for several hours in the greenhouse at night, the result is always the same, the buds fail to acheive maximum size and density. It happens for all strains. It is not an issue of plant care or nutrients, it is some kind of hormonal problem caused by the light supplementation. One interesting sidenote is that seed starts are not affected by this phenomena even though they have been on the exact same lighting schedule. The lighting schedule is this: natural sunset occurs in the greenhouse, at which point overhead flourescents turn on until midnight, resulting in 18 hours of light per day. I also tried running the lights until 9pm and then turning them on at 4am, same result. I am planning several experiments to find a way to address this problem for growers who need to grow either multiple greenhouse cycles per year, or who just need to use light sup etc. Exp 1: Turn on a far red sprectrum light for a half hour after the flourescents turn on. The goal would be to increase the pfr levels in the plant. Exp 2: veg plants indoors with no natural sunlight then put them outdoors at the same time as the others. Exp 3: Allow natural sunset to occur and only turn the supplemental light on at 1am. This would allow for a dark period after sunset. If you have any thoughts or insights please let me know. Thank You

Dani Alchimia 2017-10-09
Hi Josh, I’d definitely try what you say in your experiments. Also, and when growing indoors, I’ve experienced an increase in yields if I switch the photoperiod from 18/6 to 12/12 gradually. A few days at 15/9 before finally switching to 12/12 have often translated into higher yields. This makes me think that perhaps the plants you start at july 1st are somehow stressed for the sudden increase in the amount of dark hours. Have you ever experienced changing the photoperiod in this way? The bloom period is a little bit longer, but from what I’ve seen is worth it in terms of overall yield (bud production/time needed). Best!

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Jake Sturm 2017-09-06
The problem you are having with cuttings is due to the strains you are using. If you read the 19th century books on cannabis growing in India, you will find there were two crops. The first was planted in the summer before monsoon season and flowered in September at the end of the rains (ten hours of darkness). A second crop was planted in the Fall and flowered in December (twelve hours of darkness [the Himalayas are warmer than the U.S.]). The first crop, which all of the current marijuana descends from, was a bulk medicine used for food and smoking, never medicine. The second crop, which the pure landrace sativas descend from, were used for medicine and religious purposes (the winter solstice represents death and rebirth, and so they would have believed the power of rebirth/healing was in these special winter plants). Unfortunately, the landrace sativas are going extinct. but It is all I grow. They have 100 times the medicinal properties of the plants everyone else uses (I treated my daughter’s 100% fatal metastasized congenital brain cancer with these plants and she is now four years old and fully recovered, the commonly available marijuana does not treat her conditions). I have several pure landracce sativas that will not flower until September or even later. From one of these plants, I took a two inch cutting and grew it outdoors in a pot until it was six inches. Then I planted it in the garden in June. It is September and it is now over 12 feet tall and just starting to flower. For the cuttings, ou want sativas that have long side branches (they used to plant them one next to the other in rows on mounds, so they shoot out long branches to get to the sun in the aisles). If you dig a large enough hole and fill it with good soil and nutes, you can easily get the landrace sativas from seed to be over twenty feet tall. As you can plant them about six inches apart, you can get a lot of crop from sativas outside (in a tent they will not produce more than about 30 to 40 grams per plant). The flowers are very light and delicate, but they are far more powerful than the fat, thick modern marijuana buds, so it balances out. So much knowledge that has been lost. Any questions, feel free to contact me.

Matt 2017-07-12
I started my plants June 16 they are clones super glue, gorilla glue 4,svg og, bubba clone pre98 will they get very big I r

Dani Alchimia 2017-07-13
Hi Matt, You won’t definitely get “monster plants”, but they can reach a decent size if you plant them in the ground and try to develop a nice root ball asap. If you can’t plant in the ground, 40L/10gal containers (at least) will work. If you want bigger plants, you can use some artificial lighting for 2-3 extra hours each day to extend their growth stage, delaying the start of bloom until the moment you stop using extra light. (notice that, with this technique, harvest time will also be delayed, so do not use it unless you have good weather in the autumn. Hope it helped!

Charlie 2017-07-09
if i start a seed in October vegging indoors for a month and then move outdoors when will i expect a harvest, i live in southern california

Dani Alchimia 2017-07-10
Hi Charlie, Harvest will depend on the strain, but it should be readu by late December/early January. Best!

Tim 2017-07-01
Thanks greatly! Helped getting confirmation. I took away supplemental 18 hour lighting on May 27 and usually, same strain, they continue into a very robust vegging period. but this time they went hard onto flower immediately. in three weeks they had pop corn buds throughout. then they began this re-vegging move after June 22nd, equinox, the start of the day length shortening. So now I have rather elongated, thin and sparse, buds stretching into what appears to be a re-vegging, some single leaves, some trying to spin or turn but not many. Most of the plant still show bud but the top end of the plant seems to wants to re-veg. So I will lit dep immediately. Any idea how long to turn them back to full flower? Thanks in advance

Dani Alchimia 2017-07-03
Hi Tim, If you’re now planning on using light dep, expect them to flower again in 10-15 days. Best! 😉

Tim 2017-06-24
My huge flowering plants have just now, June 23rd, started to re-veg in my greenhouse today. They were under 18 hour light till May 27th when I uncovered them and let them go to flower under natural light, I’m in So Calif.. They are deep in flower but now, June 23rd/24th, I see some early signs on some of them trying to re veg. single tiny leaves popping out in the middle of the bud, twisting leaves trying to grow in a circle etc. The days are getting shorter as of June 22nd. I must have somehow caused them to start re-vegging but I need them to STOP now. They are huge and I need them to remain in flower. My question is to STOP any more Re-vegging and to KEEP them in flower should I do something such as light dep them now? if so, for how long? Could I possibly panda paper the East or the West side up about 8 feet and shade them early to make sure they keep flowering. I know it can take 6 weeks or more to re-flower a plants that has started to re veg. Help!

Dani Alchimia 2017-06-26
Hi Tim, As you say, you should do some type of light dep until they’re done. You should cover them during 2-3 hours (dawn or sunset) so their night period is longer. Basically, and when taking indoor plants outside, you must think about your outdoor garden as an indoor grow room with the following photoperiod: From June to August: 18/6. Any plant you take outside during these months will grow From August to June: 12/12. Any plant you take outside during these months will flower If you’d have taken your plants outside about a couple of weeks later they’d have never go bloom but grow until August, just like any other outdoor plant. If you take your indoor plants outside on late February, they’ll bloom and they’ll have enough time to complete their flowering before June, when they’d start revegging. Hope it helped!

Eduardo 2017-06-23
Hello I just got 3 clones that are about 3 weeks old. Do you think is possible for them to work? I’m planning to plant them out doors

Dani Alchimia 2017-06-23
Hi Eduardo, No problem at all!! Put them outside, on a shady place (spray them with water twice a day) for a couple of days and then put them in direct sunlight. They’ll grow until August (approximately), when they’ll start flowering. Best!

dylan 2017-04-25
What month and day can i grow seeds outdoors in a pot and clones too, so i dont have to worry about flowering to early?. I would like to have a nice big plant if you know what i mean?

dylan 2017-04-25
my clones that are outside are starting to flower its only been about 3 weeks , is there anyway to stop them from flowering and put them back to veg? also i live in So Cal and what month would be best to grow from seed and from clones to get the best buds?

Tim 2017-04-25
Hi dylan, You can try and stop your clones flowering by giving them a few extra hours of artificial lighting to make the daylight duration up to the 16-18 hours needed for vegetative growth. If you do it now, they’ll probably be ok in time to start flowering normally in late summer, although the process of stopping blooming and beginning the re-vegetating process takes time and energy that could be better devoted to vigorous growth. If you have the option of getting more clones, I’d throw these ones away and start with fresh clones for best results. Make sure they get 16-18 hours light a day, supplementing the lighting until June, when you can leave them outdoors without any fear of them flowering early. Seeds can be started outdoors at any time from early spring, they won’t start flowering early as they will be growing in natural light conditions and will become accustomed to the gradually increasing photoperiod. Seeds started very early will be at higher risk from frosts, pests and diseases simply by virtue of being outside for a longer period in less than ideal conditions. It’s always best to sow after the risk of frost has passed and once the consistently good weather comes, where i am (42.5ºN) it’s around the second half of April, but conditions will vary locally. For really big plants, outdoor cultivators often germinate in January and grow the seedlings to a really big size indoors or in a greenhouse with supplementary lighting, planting outdoors in large-capacity smart pots from mid-may onwards. Hope that helps, good luck and happy harvesting!

Ben 2017-04-21
Hi Tim, thanks for the quick response. I used the wrong wording in my last question. What I meant by force flowering is vegging at 18/6 indoor and then putting the plant outdoor in April/may and relying on the time difference to induce flowering, understanding they can start to reveg, I was hoping that by keeping them rootbound I could trick them into not revegging and continue flowering. This is probably something that isn’t done commonly but would be a cool trick for certain situations. Im trying it now. I’ll post an update if it works!

Ben 2017-04-18
Hi Dan, I live in Portland,Or. I was gifted some Blue Dream and OG Kush in 1 gallons. They’ve been under 18/6 indoors. I set them out yesterday , it’s almost 4/20, I know they’ll start flowering, but I fear Im risking reveg. In the past I’ve noticed, if i neglect and don’t repot when setting outdoors some plants would begin flowering when they’re Roots became pot bound. Do you think a combination of intentionally rootbinding and force flowering could keep these girls flowering through the May hump? Thanks Dan!

Tim 2017-04-20
Hi Ben, thanks for your question. In my experience, after mid-May you’ll need to force flower them, if you can move them to a dark room indoors after 12 hours daylight they’ll finish up fine. It’s strain-dependant though, with Indica varieties less willing to re-veg than Sativa-dominant cultivars. Keepin them rootbound will certainly help to stop them re-vegging but if you’re going to force them then it’s not necessary and may well affect the quality and quantity of the final crop. Me, I’d re-pot them and force flower them. Good luck! Tim.

Paul 2017-03-01
I want to start growing at the start of march and want to harvest around June/July, I have a greenhouse but I’m not sure if that would mean it would harvest before July. Any ideas on what I could do?

Dani Alchimia 2017-03-02
Hi Paul, If you start now, you’ll harvest by mid-late May. The natural photoperiod will make your plants to grow again in June, so you should start asap in order to have your plants ripe before June. Try not to use long flowering strains and remember to open the greenhouse during the day so humidity and temps remain optimal. You can also use some type of heater for greenhouse at nights if temps drop too much. Btw, I assume we’re talking about clones. If we’re talking about seeds, then you should try some auto flower strain, otherwise your seeds will grow until July-August and then start flowering. Hope it helped!

Abe 2017-01-07
Also need to say that I just replanted them in 5 gallon black plastic pots from a garden shop.

Dani Alchimia 2017-01-09
Hi Abe, Being Indica plants, they should be ready about 8-10 weeks after they started to develop buds. Here’s an article on how to determine harvest time for cannabis. You can put some more Indica plants before mid February, which should be ready by early May. Hope it helped!

Abe 2017-01-07
I’m have a question or two. First of all, I live in south Orange County in Southern California. It’s is sunny pretty much every day here from 7am until 5pm durring the winter months. (If it’s not a rainy week) Temp is around 60-70 during the day and 50-55 at night. I bought two baby Indica plants from a local dispensary in late October. I took them home, waited a couple of weeks and replanted them in 1/2 gallon clay pots using organic potting soil. Every day I set them out in direct sunlight in the morning and bring them inside when it gets dark where they sit in my kitchen without grow lights. I bring them in just to keep them warmer. They are both starting to grow nice little shiny buds. The plants are only about 12-15in tall. When should I pick off the buds? When will it be ready to harvest again if I keep this same routine through the spring? Any advice? Thanks in advance for any advice you can give!

Gronomo 2017-01-06
Nice posting about off season cannabis crops and good advice to growers. Unfortunately, I had to quit growing Cannabis over a decade ago after getting busted outdoors harvesting a spring crop in May in Central Florida’s perfect spring-harvest climate. Did some prison time and don’t want to go back. I still enjoy reading about modern-day Cannabis cultivation around the world. Anyhow, I would start indica/indica-dominant seeds in the woods between Christmas and mid-February in a passive hydroponic/capillary matting system covered by a 1/4″ mesh hardware cloth “cage” which I would then wrap with plastic wrap from about an inch from the base, up the sides and over the top.(Think mini-greenhouse w/ bottom ventilation) I’d place this set-up in a full-sun-all-day-long spot on the south side of an over-hanging lightly-foliated bush and would place some twigs and grass thinly on top for camo. I’d put soluble fert. in the resevoir, water the peat cups and mix, plant the seeds, put on the plastic-covered top, walk away and return 3-4 weeks later to set out the super-healthy seedlings. The set-up is also ideal for taking clones in situ from any post-harvest “re-juves” and forest-grown sativa/sativa-hybes. from March- August. A late fall/early winter crop of indica/indica-dominant plants could be harvested around New Year from seeds planted early Sept. – mid-Oct. Sunlight too weak and temps too cool any later to make it worth the effort until after Christmas. This method works well for zone 9b+(perhaps warm 9a) climates, though it seems that nowadays that many if not most growers have grown indoors and have different concerns. I salute you all for your efforts. For what it’s worth, Mr. Gronomo

Dani Alchimia 2017-01-09
Hi Gronomo, Thanks for your excellent comment, I can see you’re an experienced grower! All the best!

Devin 2016-11-29
So I don’t really grow weed at all but I got a hold of a seed and I was wondering if I could plant it now even though it’s almost December, I can’t grow inside so would it not work out if I tried now? Should I just wait until spring?

Dani Alchimia 2016-11-29
Hi Devin, Best thing would do to wait until spring, your small seedling would probably die due to winter cold temperatures. All the best!

So Kong 2016-09-21
I live in north California, can I put my plants outside without a greenhouse in February to April

Dani Alchimia 2016-09-22
Hi So Kong, Well, it all depends on night temperatures in your area. If they drop below 15ºC you should definitely try it with a greenhouse (especially in February-early March). All the best!

Andy 2016-09-12
Yes I think I will give it a shot with a autumn crop. And for my second question I will be using supplemental lighting to keep from flowering I will probably give them 24 hours of light. Thanks for your advice I forgot about this page for awhile glad I can come to you with questions and always get answers most people don’t like helping others out thank you again

Dani Alchimia 2016-09-13
Hi Andy, We LOVE helping you guys to get the best possible crop. 😉 Speak soon!

Andy 2016-09-09
Hey Dani my strawberry coughs finished up nice although I did notice them wanting to start to reveg late April beginning of May so I started to pull a black out tarp over the greenhouse to keep in flowering stage and it worked out fine pulled it all down on May 20th. I have the greenhouse going again and should be pulling again around the middle of October. I have a couple more questions for you. I have some seedlings going right now but my greenhouse is full and I won’t b able to put seedlings in there tell mid October would that be too late to try a autumn crop? Another question is would it be possible to veg in a greenhouse October thru November and bring them inside to flower in December under hps lights?

Dani Alchimia 2016-09-12
Hi Andy, Glad your spring crop was harvested successfully! Mid October is a bit too late for an Autumn crop, especially if your plants are not early flowering Indicas. Still, and if the place is safe, I’d definitely try it, even if it is only for making concentrates. The ideal in this case would be starting the seeds indoors in late August and putting them outside by mid October). About your second question: vegging outside in October/November would be almost the same as starting your seeds indoors with 12/12 photoperiod (unless you light your plants at nights). I think your plants will grow for a few weeks (October) but then they’ll start flowering as soon as they reach their sexual maturity (which would happen in November). As you’re actually growing outside under a bloom natural photoperiod, you can put your plants inside at any time (12/12). They’ll need some days to adapt to the new environment, but there’s no problem. Hope it helped!

Eddiee 2016-08-17
Hi . I have some seedlings about 3 weeks , and some cuttings I took off my mother plant , got them all going under a t5 light . trying to place them inside this small homemade greenhouse . So my question is . Do I need some type of light inside the greenhouse ? Im trying to do the autumm crop . The September to December. Would the cuttings grow ?

Dani Alchimia 2016-08-18
Hi Eddie, If you’re in the northern hemisphere and you put your cuttings outside right now, they’ll start flowering as soon as they adapt to the outdoor conditions. If you want them to grow a little bit more, you can either grow them indoors for a couple of weeks or put them outside and prolongue their daylight hours with artificial lights. Hope it helped! 😉

tpg 2016-05-31
I live in WA state north of Seattle and decided to plant 4 different strains in 10 gallons of soil in early May. Temperatures were in the high 70s for the most part and around 50 for lows. 2 of the strains dj short bb and an unidentified Afghan indica seem to have started flowering? It is now End of May and summer Temps are expected the next 10 days high 70s low 80s, do you think the two In early stage of flowering will start vegging again? The Grape Ape and God’s Gift are the other two and are in Veg mode and are also in 10 gallons of soil,they appear just fine with no sign of pre flower.I was just trying to take advantage of the mild winter/spring and get a jump start on my summer crop and had no idea that flowering was even possible. Just wondering your thoughts on the 2 in early stages of flowering. thanks

Dani Alchimia 2016-06-07
Hi tgp, I assume you started your plants from seed and directly outside. What may have happened is that the strains that started flowering are a bit sensitive to photoperiod. I wouldn’t worry about it, they’ll probably start re-vegging pretty soon. It is strange, since normally seeds planted outdoors don’t start flowering until August, but it can happen sometimes. Best of luck!

Love my weed 2016-05-22
I started from seed on Thanksgiving, grew indoors until early March, now in full flower, wondering why that is happening, stain is White LSD and living in Louisville, Ky, I’m totally mind boggled and would like to have an answer if there is one.

Dani Alchimia 2016-05-23
Hi Love my weed, Indoor plants are normally grown with a 18/6 photoperiod. If you take them outside before June, they’ll start flowering since the natural photoperiod is shorter than indoors. We use this to take indoor plants outside on late february so they can complete their flowering before June, when they would start re-vegging. Hope it helped!

Georg 2016-04-25
Dani, I am coming back to this blog and two articles on your site all-the time. Am I right that if I put plants upstairs NOW or in the next week (End of April), this would be a bad idea because the plants would likely start flowering but would then re-veg in May? (In other words: Now it’s already too late for a complete 8 week flower cycle outside and I should wait until June 1st with putting plants outside? Then the plants would still veg outside for a month or two but then do their flowering end of summer?) Gracias!

justin 2016-03-31
I put my auto flowers outside a little over a week ago. my land lord is cool with me growing but im not aloud to have a greenhouse. this has caused the cold weather at night to make my plants unhappy and some of the leaves turn brown and dead looking. any ideas on what would help them pull through without a greenhouse?

Dani Alchimia 2016-04-01
Hi justin, I’m affraid your only choice is putting the plants in a warm room every night and then putting them outside again every morning. There are heating mats and other elements that could work, but their efficiency is almost zero if you don’t use a greenhouse. Hope it helped!

andy 2016-03-25
The strain is strawberry cough its a 7 to 8 week flower time. Any advice?

Dani Alchimia 2016-03-29
Hi andy, Pretty fast strain! I would bet you will harvest it without problems. Perhaps I would recommend taking the plants out a week or so earlier, since they need some days to adapt to the new environment. Please keep us updated, we would love to read that your plant has done it! 😉

andy 2016-03-18
I stay in northern Cali I moved my plants from 24 hours of light to my greenhouse march 7th to flower my question is will I haft to light dep to keep them from revegging I plan to harvest first week of may

Dani Alchimia 2016-03-22
Hi andy, It will mostly depend on the strains you’re growing: I’ve had mostly Indica hybrids that were still flowering by the last weeks of may, while Sativa hybrids often tend to reveg earlier, by early May. Best of luck!

Orlando 2016-03-06
I’m wonrding when shout I move my plant outdoor. I leave in a tropical wethear. We get 12/12 of sunlight, it hasn’t revived any sunlight sens it was germinated. I would like to know what’s the right way to grow in this type of weather.

Dani Alchimia 2016-03-08
Hi Orlando, With your natural photoperiod, most cannabis strains will grow until reaching sexual maturity and will then begin flowering. Thus, these varieties will stay shorter (especially Indicas and mostly Indica hybrids) than they would in other climates. If you want larger plants, you can grow them indoors (18/6 photoperiod) until they reach the height you want and then take them outside, where they’ll start flowering immediately. Hope it helped!

George 2015-09-14
Helpful article, had to read multiple times. So what I am getting from there, if I grow in a vegging greenhouse with 18/6 artificial light and want to put plants OUTSIDE for flowering, I can do that from August to mid March. (Assuming 8 weeks for flowering, those I would put out in mid March would then be ready mid May). Otherwise, from mid May on they would reveg. Interesting, very helpful!

Dani Alchimia 2015-09-16
Hi George, Remember that growing outdoors from December to March is difficult in many areas. Where I live I can start an outdoor crop in late February and harvest it in March. Start another one in June and harvest it in October. And start another one in September and harvest it in December. But I can’t grow from December to March, yields are ridiculous. All the best!