Top 5 cannabis strains for a late outdoor start
Can you start cannabis outdoors (northern hemisphere) in July and still get a harvest? Yes you can! Your growing season may be a month or two shorter than you might prefer, therefore your yields won’t be quite maximised.
But you can still look forward to a crop of good cannabis if you choose some high quality photoperiod feminised seeds or autoflower seeds which can cope with a late start.
Read on to find out more about the preferred cannabis seeds for a late summer cannabis outdoor grow as well as some useful tips which may help optimise your results.
Summer cannabis grow; what to expect?
Summer and cannabis. Words which warm the heart of the outdoor grower! Don’t worry too much if you missed the start of the outdoor season by a month or two. You can still get a great quality outdoor cannabis harvest even with a late start.
Northern hemisphere growers can start seeds as late as July and still get a crop. Southern hemisphere growers can start their crops as late as December/January and still get a harvest.
With a delayed summer cannabis grow what to expect? With a late start, your photoperiod outdoor strains will have missed out on some of their vegetative growth period.
This will mean a reduced harvest quantity. But so long as you bought good quality cannabis seeds the potency of your crop won’t be unaffected.
If you’re looking to plant cannabis seeds in the summer you needn't worry too much if you’re a month or two late. You still have some options, especially with autoflowering cannabis seeds.
When is it too late to start cannabis outdoors?
When is it too late to plant cannabis for summer? For Northern Hemisphere growers, germinating your photoperiod feminised cannabis seeds in mid-July (mid-January in Southern Hemisphere) would give them around 4 weeks of vegetative growth before approximately 8 weeks of bloom.
The total growth cycle would be around 3 months. That’s 2-3 months shorter than many would prefer, therefore yields will be reduced. Leaving it any later to start your outdoor grow isn't really advised with photoperiod feminised cannabis seeds.
But autoflower seeds, with their rapid growth cycle of around 100 days, are the most convenient option for growers seeking a late summer cannabis outdoor grow.
One tradition among some outdoor growers is that of planting cannabis before summer solstice (June 21st) in the Northern Hemisphere.
That still remains good advice, but it’s important to note that you can also plant cannabis seeds after the summer solstice (the longest day of summer) and you will still be able to get a harvest.
How late can you harvest cannabis?
For many outdoor growers, the question of ‘how late can you harvest cannabis?’ depends perhaps more on your local climate/latitude rather than the cannabis seeds.
In northern Europe, areas like the northern UK represent the boundary of cannabis growing territory when it comes to feminised seeds.
Growers often harvest these strains in early October in the Northern Hemisphere (early April in the Southern Hemisphere). However, that assumes that local weather will hold out that long at borderline latitudes. There are no guarantees and sometimes winter arrives early.
However, there are plenty of growers with long, warm Mediterranean-style climates which allow the harvesting of plants in November and even December.
This allows growers in these climates the possibility to start a late summer outdoor cannabis grow and still produce a good harvest, even with long blooming sativa photoperiod strains.
Autoflower seeds can often produce 3 successive outdoor harvests per year in a warm climate with a long growing season. The fast growth cycle and tough, easy-growing properties often mean that autoflower seeds are a preferred way to get a good yield after a late start for cannabis outside.
Best cannabis seeds to grow outdoor this summer
With a late outdoor start you should focus on proven outdoor strains that are known for rapid bloom and some resistance to late-season weather.
Dutch Passion outdoor Champion Frisian Dew is recommended, along with Durban Poison and Think Fast from the photoperiod feminised outdoor seed collection.
Fast blooming, hardy autoflower seeds are highly recommended for the late season grower. Perhaps avoid those autoflower strains which require longer grow cycles and focus on the faster genetics for best results.
|Autoflower vs feminised outdoor growing|
Frisian Dew. Tough, resilient outdoor cannabis seeds
Frisian Dew is perhaps Dutch Passion’s toughest Dutch outdoor strain, a cannabis cup winner with tens of thousands of repeat growers every year. If you’re looking for hardy cannabis plants to grow in the UK summer, Frisian Dew is simply one of the best.
She is often ready to harvest around late September or early October in the Northern Hemisphere (late March/early April Southern Hemisphere).
With good mold and weather resistance, Frisian Dew is highly recommended for growers with the most demanding climates and short growing seasons. Heavy yielding and easy to grow.
|Frisian Dew grown in a huge Belgian greenhouse|
Auto Mazar. Low maintenance, high potency autoflower cannabis seeds
Auto Mazar has always been a favourite with guerrilla growers. The prize winning Afghani Kush genetics are as solid and dependable as they come.
Taking around 100 days to grow outdoor from seed to harvest, Auto Mazar is a proven outdoor auto grown everywhere from the Mediterranean to Scandinavia. Highly valued for the anti-anxiety high with a great hashy taste!
|Two successive outdoor autoflower crops in a Scandinavian summer|
Think Fast, recessive auto genetics make this a fast outdoor winner!
Think Fast is a photoperiod feminised cannabis strain with recessive autoflower genetics. The presence of the recessive (non-dominant) auto genes allow Think Fast to crash through her growth cycle a couple of weeks faster than other photoperiod strains.
This means she is often a preferred strain for this growing in climates with unpredictable late-season weather. Perfect for a late summer cannabis outdoor grow with a blissfully enjoyable high.
|Think Fast cannabis seeds grown outdoors in a short Canadian summer|
Auto Skywalker Haze, fast growth with THC levels over 26%
Many outdoor growers love to complement their photoperiod strains with a few autoflower seeds. It’s good insurance just in case the photoperiod plants don't quite make it.
Many growers can get a couple of outdoor auto crops per year. A great option for the quality-focussed grower is to opt for a high THC autoflower strain such as Auto Skywalker Haze.
It’s the first Dutch Passion autoflower seed to produce THC levels in excess of 26% and highly recommended!
|Auto Skywalker Haze grow review. 26% THC - the world’s strongest autoflower|
Durban Poison, optimised for cooler climates
Any late summer cannabis outdoor grow needs resilient genetics that can take a beating from unpredictable late season weather.
Durban Poison is a prize winning South African photoperiod feminised strain which has been successfully acclimatised to the Dutch outdoor climate. This makes her a great choice for a late summer grow. Delicious stress-dissolving buds with a unique aniseed taste.
|Durban Poison outdoor grow review|
How to optimise your harvest from a late summer grow
Don’t be afraid to attempt a late season grow. Lots of people do it with great success and get some extra stash to enjoy over the winter. Some good cannabis seeds will only cost you a few €/£/$ each, a small amount in relation to the harvest value.
Usually, you can expect photoperiod outdoor strains to be somewhat reduced in size compared to their full genetic potential. Autoflower strains will usually grow very well, though an autumn/fall auto crop may be slightly lower yielding than a mid-summer auto harvest.
That’s simply due to the fact that the mid summer sun is usually more powerful and plentiful than late-season sun.
|How to grow cannabis outdoors in the UK|
Autoflowering cannabis seeds - fast & flexible, potent & productive!
When considering good autoflower cannabis seeds for outside in summer, remember that they will benefit from artificial light, if available. Many greenhouse cannabis growers (or poly tunnel growers) use LED grow lights to supplement the sun.
When growing photoperiod feminised cannabis seeds, too many daylight hours will cause the plant to revert back to vegetative growth. But with autoflower seeds you can supplement the sunlight in your greenhouse with as much artificial light as you wish.
Use of supplemental artificial light is the only way for professional Californian greenhouse growers to achieve heavy harvests in the winter grow months.
|The complete Dutch Passion autoflower seed collection|
Prepare good quality ground to grow on
Serious cannabis growers know that the quality of their results depends on the correct planning and preparation before the grow even begins. Many outdoor growers build up a collection of secret outdoor grow locations, just in case one location is compromised.
Select sheltered sun-facing ground with good quality moist soil. If local soil quality is poor then try supplementing it with your own cannabis organic summer soil mix.
You can buy soil from the grow shop/supermarket to replace local soil. You can also buy additives such as bat guano, worm castings, blood/fish/bone meal to enrich local soil. This gives your late-season cannabis plants the best chance of success.
Slow release organic nutrients, such as those from BioTabs, is another way to supplement the natural outdoor soil to ensure your plants have their full nutritional needs met. It’s also easy and convenient for guerrilla growers, you just mix the ingredients to your soil and let nature do the rest!
|Growing cannabis outdoors|
Start your plants indoors if possible
Many outdoor weed growers germinate their cannabis seeds indoors and give the plants a couple of weeks of indoor growth. If you are thinking of a late season cannabis outdoor grow, giving your plants a head start with indoor germination is always a great idea.
A few weeks of 24-hour indoor light allows your seedlings the best possible start and therefore the best chance of an optimised harvest.
|How to grow cannabis in cold climates|
Consider shelter for your plants if the bad weather arrives
If the late-season weather simply becomes too difficult, you may want to consider the emergency option of providing some shelter for your plants. In the outdoors this may be difficult - especially if it attracts attention to your secret guerrilla grow location.
But if you have torrential rain and want to avoid a total harvest loss, a tarpaulin over your prize plants may be the only option.
Considering a late summer cannabis outdoor grow? Don't delay!
If you’re considering a last-minute outdoor grow, then buy yourself some cannabis seeds online ASAP. You can still get a harvest with seeds planted in July, but don't delay.
Choose a cannabis seed company with customer service and cannabis cup winning genetics that have stood the test of time and are worth your trust. Good luck and enjoy your late summer grow!