Top 10 Cannabis Strains To Grow Outdoors in 2020
Growing cannabis outdoors is the perfect pastime for avid gardeners. Whether you are planning on growing marijuana for recreational use or you wish to sell it to your friends and family, there are plenty of reasons why outdoor growing might be right for you.
However, you aren’t going to be successful if you aren’t familiar with the best outdoor cannabis strains for your climate and your growing experience. The top-rated outdoor cannabis strains for Florida, for instance, might not be the best option for New England – or the best outdoor strains given your gardening know-how.
In this article, we will tell you all about the top 10 outdoor strains to grow in 2020 – no matter where you might live or how much experience you might have.
The Top High-Yielding Cannabis Strains To Grow Outdoors in 2020
1. OG Kush
One of the most popular and highest yielding outdoor strains in the United States, OG Kush is also one of the top-rated outdoor strains for Florida and other warm growing environments.
Thriving in hot environments, OG Kush is also a great choice for beginners who prefer growing outdoors . Since it originated in Florida, it has a reputation for its easy growing requirements and its calm, mellowing smoking profile. It can reach up to nine feet tall when grown outdoors, having buds with earthy, distinct flavors that taste somewhat like pine and sour lemon.
Despite its tall size, this plant puts on some serious buds. It can produce up to 1100 grams of bud per plant! A pretty intense strain to grow, it gives users a heavy high and is perfect for those with insomnia and chronic pain.
2. Speedy Chile Fast Flowering
A fast-flowering strain, Speedy Chile is a blend of Green Poison as well as several Chile Indica landrace strains. It has a super short flowering time of just six weeks, and although it’s a feminized outdoor strain that is reliant upon how much light it gets per day, it still flowers remarkably fast.
With higher THC levels than most other fast flowering strains, it has a short crop time and allows growers to harvest fully mature buds as soon as early September. You don’t have to worry about a heavy frost killing your plants or mold decimating a crop before you have the chance to harvest.
3. Critical Kush
Critical Kush is one of the well-known outdoor strains for Pacific Northwest growers. Whether you are a hobby grower or a heavy-yielding commercial producer, Critical Kush has everything you could ever want.
A rapidly flowering and vigorous grower, Critical Kush can also be considered one of the best Michigan outdoor strains. It has a diverse profile that allows it to rank highly just about anywhere you turn. An indica dominant strain, this plant produces potent buds that are sturdy and plentiful. You’ll get up to 550g per plant when growing outdoors, with average THC levels of 20%.
Critical Kush is popular among indoor growers but also considered one of the best outdoor cannabis strains to grow, too. It is easy for beginners but also prized by expert growers. With exceptional hardiness and a beautiful appearance, this plant is one of the easiest strains to grow outdoors for novice gardeners.
4. White Widow
One of the best strains for growing outdoors in New England, White Widow is incredibly potent and has a gorgeous appearance. It can be grown outdoors even if you live in a cooler climate – but it also thrives in warm growing environments, too.
If you have struggled growing marijuana in the past because of harsh winds or high amounts of sunlight, White Widow is one of the best strains to grow for outdoor growers that will address these concerns. It has a frosty appearance with gooey resin coatings, and it holds up well against fungal growths and insects.
A sativa-dominant strain, this plant does well in unpredictable climates. Native to Amsterdam, this northern European strain is the ideal outdoor plant with a short flowering time.
5. Durban Poison
Durban Poison is native to South Africa, perfect for outdoor growing in warm weather. You can grow Durban Poison at just about any time of the year as long as the weather is warm at harvest time.
A tall-growing cultivar of marijuana, Durban Poison is an excellent choice for sativa lovers. It is a great sativa dominant daytime strain that is best enjoyed if you are looking for a functional, energetic high. Durban Poison matures in as little as ten weeks, with blooming buds that are incredibly potent and produce up to 350 g per plant. This plant is one of the best strains to grow outdoors no matter where you live or how you choose to grow. Durban is a great outdoor cannabis for outdoor growers.
6. Super Silver Haze
Super Silver Haze makes the list of almost any top sativa dominant strains, but it’s also one of the top-quality outdoor strains to consider, too. It is an easy strain to grow and extremely rugged, perfect for summer outdoor growers. In fact, once you put the seeds in the ground, there’s little else that you need to do. For the most part, your Super Silver Haze will take care of itself.
Related to strains like Haze, Skunk, and Northern Lights, Super Silver Haze has a fragrant, spicy, and somewhat skunky weed that relaxes your body and calms your mind. It can be harvested in early September since its flowering time and offers big buds with exceptional yields.
7. Royal Domina
Royal Domina is a strong Indica dominant strain of marijuana that is the result of crossing Black Domina with the more exotic genetics of the Kalijah plant. It grows quickly outdoors, requiring only eight weeks to be mature. As a result, it can be harvested as early as late September.
This plant reaches towering heights despite its short growing season. It can easily reach more than 180 centimeters outside! With enticingly sweet buds and impressive resin production, this plant produces THC up to 20%. It’s great for lovers of classic Indica who also want large output from their plants.
8. White LSD
There are several strains of LSD that grow well outside, but White LSD is one you’ve got to consider if you are looking for some of the best outdoor cannabis strains. This cultivar does well outdoors as it is resistant to many common weed pests. It is low-maintenance and even holds up well against the threat of fungal growth.
Plant White LD in a sheltered spot outside, especially one that offers lots of sunshine and exceptional warmth. It flowering time is in about nine weeks and is a cross between Skunk #1 and Mazar, leading users to a psychedelic experience with both a cerebral and body high.
White LSD offers a cerebral, psychedelic high. Plants grow no taller than 120 centimeters, reaching maturity in as little as 70 days. Despite the short time to maturity, the plant has impressive yields, offering up to 150 grams per plant.
If you’re ready to consider an outdoor cannabis plant that offers heightened awareness of sounds, lights, and other sensory experiences around you, then White LSD is the one to consider.
9. Blue Dream
Blue Dream is a popular choice among outdoor cannabis growers, perfect for outdoor cultivation with impressive yields requiring little effort. This strain is great for novice growers, as it does well in warm summer climates.
Blue Dream loves the sun, but it can also be cultivated indoors if you want to utilize a hydroponic growing system . It has a delicate blueberry flavor and soil growing outdoors can help to emphasize these flavors.
With calming cerebral effects, Blue Dream is the strain of choice for creative individuals.
10. Special Queen
A classic skunk, this plant is a great outdoor variety of weed. It can be grown easily by new growers, as it holds up well to neglect. It thrives in various climates, including the cold environments of Northern Europe and northern portions of the United States, too. It is ready for harvest as early as late September and minimizes the risk of frost or mold damage.
One of the best and most stable plants you’ll find, it is a cross between Power Bud and Skunk. It’s ready for harvest in just eight weeks and has low CBD content with a high percentage of 18% THC.
Why You Should Consider One of these Best Outdoor Strains in 2020?
Growing marijuana outdoors is one of the most rewarding processes you can engage in. Generally, there is a very low ratio between costs and final yields, meaning you can get started with this endeavor even if you have a very low starting budget.
If you choose to grow marijuana outside, know that there is very little that you will need to do differently when it comes to your growing experience. In fact, you will be able to save some time and money as you get started because you won’t need to purchase equipment like LED growing lights or grow tents. You can start producing massive yields of delicious, perfect bud almost immediately!
Most of these outdoor strains require little care and will thrive as long as they have plenty of direct sunlight. Consider growing one of these high-quality outdoor strains today for maximum yields next season.
How to Protect Your Cannabis Outdoors
Growing outdoors with the correct cannabis fertilizer gives a higher chance to get bigger yields since there is more exposure to sunlight and fresh air but despite their ability to withstand different temperatures they can still get damaged by various pests and harsh calamities which is why it is important to secure your outdoor garden to prevent problems that might pose a threat to your strains.
After you have decided to plant outdoors instead of inside your home, the next task is to make sure that the location of your garden is not manifested by pests that will feed on your strains. It is best also to have fences around your garden to avoid bigger creatures from going near your garden. Moreover, your plants will maintain a healthy status if your garden is exposed to sunlight while being sheltered from harsh weather as well.
Constantly monitor your crops to inspect your garden’s health status including the fertilizer to check if it is still suitable and safe. We highly recommend soil test kits for this to get accurate results. Soil test kits will also help you evaluate the levels of the appropriate nutrients which is great because you will know what you need to add or adjust.
Alan has always been passionate about plants and gardens. With the help of his son, Alex, and 3 other awesome people who aren’t just passionate but are titled professionals in different fields, Alan wishes to always give you the best and the latest updates with regards to gardening and products and techniques– for FREE.
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You don't have to be limited by a lack of indoor space while growing marijuana. Simply grow one of these 10 Best Outdoor Strains in 2020.
Choosing Outdoor Seeds To Grow In Your Climate
What kind of cannabis you choose to cultivate and where you sow the seeds will dictate your outdoor crop’s performance. Our breakdown of the perfect strains for each climate zone will help you grow fire marijuana throughout spring, summer, and autumn.
THE MOST IMPORTANT FACTOR OF CANNABIS CULTIVATION—GENETICS
Genetics hold the key to your cannabis seeds’ potential and that’s a fact. No matter what miracle nutrient formulation you apply or how perfectly you maintain the garden, results will be genetics-driven. If you start with bunko beans, don’t expect huge yields of high-grade. Only by carefully choosing high-quality, feminized seeds can the cannabis grower avoid the low-ceiling limitations of weak genetics. Outdoor cannabis cultivation requires an even more rigorous selection process.
These days, the vast majority of cannabis strains on the market have been specifically adapted and bred for indoor cultivation. Sure, in theory, any weed can grow anywhere. But in practice, this is absolutely not the case with all cannabis varieties. Most marijuana will thrive in a sunny southern climate. However, plenty of outstanding, hardy strains can be cultivated in cooler, northern latitudes.
It’s time to get our hands dirty with some old-school marijuana cropping in the great outdoors. Match up the right cannabis with the local climate and you’ve taken the first step on the route to a successful outdoor harvest.
EUROPEAN CLIMATE ZONES: HOW MUCH SUN IS YOUR GARDEN GETTING?
Job number one is to establish how much daily sunlight your cannabis plants are likely to receive during the growing season. Once you know the timeframe you have to work with, you can begin to consider which strains are the best fits. Keep an eye on the local weather forecast and do a little online research. Find accurate data on hours of daily sunlight, sunrise and sunset times, temperatures day and night, prevailing winds, and precipitation frequency.
Perhaps you are based somewhere around the Mediterranean. If so, you have the luxury of growing late-blooming sativas outdoors from around April to Croptober. Maybe you are living in Northern Europe and only have a short Spring/Summer 8-10 week window to squeeze in some tough ruderalis. Or you could be somewhere in the middle and need versatile hybrids for a summer crop.
Here is a breakdown of different climate zones with recommended cannabis strains you can grow outdoors:
COOL NORTHERN LATITUDES
Northern European growers from the west coast of Ireland to eastern Poland need to go with cannabis strains that can survive in less-than-perfect conditions
Photoperiod and autoflowering strains bred to thrive in colder climates can produce top-shelf quality outdoors. With their fast growth and shorter flowering times, you can harvest them much earlier than other strains. This way, you can beat the rain in fall and avoid mould taking hold of your precious buds. Still, you must time your crop right to avoid the most inclement weather, as no cannabis is invincible.
Remember to reference weather data before choosing your seeds. If you find yourself limited to less than three months total crop time, you really only have time to grow very fast autoflowers during late spring/early summer. To be on the safe side, grow in containers so you can take your plants inside if the weather takes a turn for the worse.
Quick One is one of the first market-ready autoflowering cannabis varieties, and was once one of the fastest strains you could grow. She is still blazingly fast, taking only 8–9 weeks from seed to harvest, which makes her an excellent choice for those with a short summer season. This compact plant won’t get taller than 50–60cm, yet will reward you with a decent yield of up to 150g/plant. She may not be the most potent cannabis, but 13% THC still produces a very relaxing stone. She has a fresh, herbal, and citrusy aroma and a pleasantly mild taste.
Another great choice if you need a super-fast autoflowering strain to beat the bad weather is Easy Bud. Similar to Royal Dwarf, but with a few genetic differences, this girls shines with good yields and a moderate THC level. Plant your seeds, and she will soon be showing off her ripe, juicy buds in a short 8–9 weeks post-germination. With 12% THC, Easy Bud is just the perfect strain if you enjoy a mild high that won’t knock you out. Staying at a compact height of 60–100cm, the strain can yield as much as 80g of citrus-flavoured bud per plant.
HOT, DRY SOUTHERN CLIMATE
Southern European growers have a huge advantage over northern growers. An abundance of sunshine facilitates a long growing season that can be productive from March-November. The possibilities are endless. It really comes down to which kind of sticky green is your personal favourite.
Beginner growers can gain experience with some gourmet warm climate autoflowering varieties. In fact, the next-generation RQS auto hybrids are also a great option for more experienced growers looking to double-crop in a single season. Royal Haze Automatic and Northern Light Automatic immediately spring to mind as winners in a warm climate. All you have to decide is whether you prefer indica or sativa-leaning stash.
It would be a shame not to dabble with some fine photoperiod strains in a warmer climate. How about some organic, soil-cultivated OG Kush or Sour Diesel goodness to have your ladies growing into great ganja trees for some truly monster yields? But do keep an eye out when growing in these hot climate zones, as the scorching sun can be too much for plants to handle in excess. Shade, rather than shelter from rain, may be required. Watch out for heatwaves! Here are our favourites when growing in a hot and dry climate:
ROYAL HAZE AUTO
Our Royal Haze Auto brings simplicity to the Haze family! Being an autoflower, she does away with a major inconvenience that growers encounter with photoperiod Hazes—their long flowering time. Instead, Royal Haze Auto moves from seed to harvest in a short 10–12 weeks. She is also a great choice if you want to harvest several Haze crops over one summer season—something you can’t accomplish with photoperiod strains. Get ready for a great smoke with citrus and herbal flavours and a cerebral, uplifting Haze high.
NORTHERN LIGHT AUTO
Bred from Afghani genetics sometime in the 1970s, Northern Light has become one of the most popular strains among cannabis enthusiasts. Our autoflowering variant of this popular indica hybrid isn’t just a great indoor strain, but makes a formidable figure outdoors as well. Not that the photoperiod version isn’t awesome already (she sure is!), but there are cultivators who cherish the 9–10-week life cycle of the automatic version. And, let’s be honest, who likes to wait for awesome weed? Smoke Northern Light Auto to enjoy a relaxing physical stone with just the right amount of uplifting stimulation.
Not much needs to be said about OG Kush, one of the most iconic cannabis strains of all time. This super dank specimen, a 75% indica, is just ideal to grow outdoors under the sun. Here, a single plant can yield 500 grams in a short 8 weeks of flowering. Once you can finally set her buds ablaze, you will enjoy delicious citrus, pine, and fruit flavours. Her extremely relaxing indica effect makes OG Kush the perfect nighttime strain for chilling and watching movies.
Sour Diesel is another legendary cannabis strain that any “serious” cultivator shouldn’t miss out on growing. With roots in sunny California, she’s well adapted to dry and sunny climates. Here, the plant can grow to its full potential. This 70% sativa can reach a height of 2m and flowers over 10–11 weeks. Despite the slightly prolonged flowering period, she can provide an epic yield of up to 600g/plant. Among her highlights is her trademark fuel-like aroma and taste, which is highly sought-after by cannabis enthusiasts. She provides a relaxing but clear high.
WARM-WET COASTAL CLIMATE
Sun, sea, and outstanding outdoor sinsemilla. If you are living around the Mediterranean, you are also spoiled with choices. Although, cropping cannabis strains resistant to bud mould is probably advisable, especially if you’re a novice cultivator. Unfortunately, thick, tight colas and high humidity don’t mix.
For these climates, high-calibre Hazes are recommended. Their slightly looser flower formation and greater tolerance for humidity make sativa hybrids the perfect choice for the coastal cultivator. Of course, sativa genetics will add a few weeks to bloom, even for autoflowering Hazes. Then again, you have from April to October, so you’re not really in a rush. Plenty of time to harvest the finest headstash!
But don’t get too complacent with sativa genetics as they too can succumb to mould and fungus. Check the weather and be at the ready to harvest from September onward should the rain come early. Here are our recommended Hazes to grow in a hot and humid climate:
Derived from old-school Haze seeds and considered one of the best variants, Amnesia Haze by RQS is a great choice for growing in hot and humid conditions. This 70% sativa, which can reach a height of 210cm, keeps the risk for mould low thanks to her airy leaf-to-flower ratio. But know that growing Amnesia Haze isn’t something for the impatient. Expect about four months of growing and then another two weeks of drying and curing before you can finally enjoy this outstanding strain. On the other hand, getting 700g/plant in good conditions—and a spectacular head high powered by 22% THC—will absolutely make you forget the long wait. Well, just look at her name. duh!
SHINING SILVER HAZE
Shining Silver Haze is another formidable Haze Royal Queen Seeds is proud to have in our collection. Based on one of the first-ever Haze classics, the legendary Super Silver Haze, RQS further enhanced the sativa to please even the pickiest of connoisseurs. With a loose leaf-to-flower ratio that ensures good air circulation, greatly reducing the risk for mould, she is well suited to humid outdoor environments. This plant can reach a height of 220cm, flowers over 9–11 weeks, and will yield as much as 650g/plant. When smoked, she induces an instant head high that goes straight to your brain thanks to 21% THC. In addition, she delights the smoker with sweet, citrusy, and earthy flavours.
MORE GREAT GUIDES FOR OUTDOOR GROWERS IN DIFFERENT CLIMATE ZONES
If you want to learn more on growing cannabis outdoors in your climate zone, here are some other great guides to check out!
Cannabis Monthly Grow Guide: Northern Europe, USA & Canada for tips on growing outdoors in colder areas of the world.
Cannabis Monthly Grow Guide: Southern Europe & Southern USA for growing the ideal crop in Southern Europe and the Southern US.
Cannabis Grow Guide: Central & South America for growing high-quality cannabis in Latin America.
Growing marijuana outdoors under natural sunlight, instead of indoors with artificial light is just as nuanced. We'll help you make the best choice of seeds.