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Top 5 Cannabis Strains To Grow Outdoors In 2020

Do you plan to grow outdoors this year? Take a look at our top 5 outdoor cannabis strains to grow in 2020. Get ready for fast growth and large yields!

Growing cannabis outdoors is extremely rewarding, if mostly for the large yields and low cost of operation. Many of Royal Queen Seeds’ varieties take very well to the outdoors, thriving under the natural sunlight. That said, when it comes to outdoor growing, the strain you choose can make all the difference between success or failure. For that reason, we’ve put together a list of our top 5 outdoor strains—cultivars that are ready to harvest by late September.

With the selections on this list, you can avoid unnecessary trouble with rain and frost in October and November. While other growers are busy inspecting their developing buds for mould, you’ll be drying and curing your harvest and filling up your jars. If you missed out on our top 5 strains for colder and warmer climates, feel free to give those a look as well!

Contents:

BENEFITS OF CHOOSING THE RIGHT STRAIN WHEN GROWING OUTDOORS

When selecting a cannabis strain to grow outdoors, speed shouldn’t be the only concern. It’s also important for plants to be productive, to have a good aroma, and to induce a pleasant effect once smoked.

Here are the traits your outdoor strain needs to include:

Fast flowering so you can beat rainy weather in fall
• Good natural resistance to mould and pests
High yields
• Great potency, aroma, and flavour
Superb effect

TOP 5 EARLY-FINISHING CANNABIS STRAINS TO GROW OUTDOORS IN 2020

Now that we know what makes a good strain to grow outdoors, it’s time to look at some recommended cultivars. Here are 5 of the best early-finishing outdoor strains to grow in 2020:

1. HONEY CREAM FAST FLOWERING

Honey Cream Fast Flowering is one of our recently updated favourites. This variety is very popular in Spain due to its sweet, creamy aroma, but you can grow it virtually anywhere in Europe.

Its remarkably short flowering time of only 6–7 weeks makes it a good strain in regions where the weather can get ugly early in fall. However, grow it in July and August, and this will provide a sufficient window for Honey Cream to receive a lot of sunlight so she can bulk up. This way, you can harvest good amounts of sweet, potent buds in September.

Besides its short flowering period and amazing flavour, Honey Cream convinces with a solid indica background composed of BlueBlack (Blueberry x Black Domina), Maple Leaf Indica (100% Afghan indica), and White Rhino. These three strains give Honey Cream FF an indica-dominant genetic profile, but there’s also a decent amount of sativa potency from White Widow, the predecessor of White Rhino. When things go well, plants reach outdoor heights of 180–250cm and yield up to 675g/plant.

Honey Cream (Fast Flowering)
Honey Cream (Fast Flowering)
BlueBlack x Maple Leaf Indica x White Rhino
500 – 550 gr/m2
100 – 160 cm
7 – 8 weeks
THC: 16%
Sativa 35% Indica 65%
625 – 675 gr/plant
180 – 250 cm
Early October
Psychedelic

2. SPEEDY CHILE FAST FLOWERING

Next up is Speedy Chile. This girl combines Early Skunk genetics with several Chile indica landraces, although a third generation autoflowering plant is partly responsible for its very short flowering time of just 6 weeks (42 days!).

But make no mistake, Speedy Chile is a photoperiod strain that flowers depending on the amount of available light hours per day. One could say that fast flowering strains are the next breeding evolution after autoflowering genetics: These strains produce high THC levels while maintaining an incredibly short total crop time.

For outdoor cultivators and novice growers, choosing Speedy Chile Fast Flowering is a wise decision. You can fill your bags with buds in early September, which leaves no room for uncertainty regarding climate or mould issues. And the buds you gather will be excellent in their own right, producing sumptuous flavours of fruit and pine alongside a THC content of 16%.

Speedy Chile (Fast Flowering)
Speedy Chile (Fast Flowering)
Early Skunk x Skunk x Chile Indica
475 – 525 gr/m2
60 – 100 cm
7 – 8 weeks
THC: 16%
Sativa 30% Indica 70%
450 – 500 gr/plant
100 – 170 cm
Early September
Calming, Laughter

3. CRITICAL KUSH

You’ve probably already come across Critical in your career as a hobby grower, a true heavy-yielding champion we recommend for indoor and outdoor growers seeking the best ratio between yield and flowering time.

Critical, which also made it into our Top 5 Strains For Colder Climates, is a vigorous and rapid-flowering indica that deserves to be featured in every cannabis ranking that exists. However, crossing Critical with the notorious OG Kush took potency to a whole new level.

Critical Kush features some of the cerebral and rather sativa-like effects of OG Kush in addition to the powerful couch-lock stone of Critical—a classic scenario of “buy one high, get one free”. Growers looking for a sturdy, potent, and profit-yielding strain for the outdoors won’t make a bad decision with Critical Kush. The rewards you’ll receive in late September are huge: outdoor yields of up to 550g/plant, a long-lasting and intense effect, and a final product with an average THC level of 20%.

Critical Kush
Critical Kush
Critical x OG Kush
500 – 550 gr/m2
60 – 100 cm
8 – 10 weeks
THC: 20%
Sativa 20% Indica 80%
500 – 550 gr/plant
100 – 140 cm
Late September
Long Lasting , Physically Relaxing, Powerful

4. SWEET ZZ

Sweet ZZ is our own version of the legendary Zkittlez. With its fruity aroma and succulent flavour, it’s top favourite for all candy-loving cannabis growers.

Bred from Grape Ape and Grapefruit, this indica-dominant hybrid takes only 7–9 weeks to flower, so you can cut this plant down in late September outdoors. When you do, better bring an extra bag, as this girl can yield up to 600g/plant in good conditions.

Although Sweet ZZ is indica-dominant, its effects are firmly focused on the mind, not the body. It will hit you with waves of uplifting thoughts and feel-good vibes. Add its delicious flavours of citrus, berries, and candy, and you get the physical embodiment of happiness in one awesome smoke. Good thing it’s not ultra-powerful with 15–20% THC. This way, you can savour its taste and effect for a long time before reaching the point of no return.

Sweet ZZ
Sweet ZZ
Grape Ape x Grapefruit
550 – 600 gr/m2
80 – 140 cm
7 – 9 weeks
THC: 22%
Sativa 20% Indica 80%
500 – 550 gr/plant
160 – 200 cm
Late September
Calming, Stoned

5. FAT BANANA

With Fat Banana, the breeders at RQS managed to hybridise the biggest and fattest Banana OG specimens. This Kush strain will seduce you with fruity flavours, and it may lay you flat on your couch with its incredibly potent smoke.

Perfect for growing outdoors, the strain needs about 7–8 weeks to mature its flowers. If all goes well, you can bring in 500g/plant by mid-September.

Fat Banana is one of those creeper strains where you’ll want to take it slow. The high starts out with a mild euphoric wave accompanied by mouth-watering fruity flavours, which makes it very difficult to put the doobie down again. It is easy to forget that the strain is immensely potent, with up to 25% THC or more. Before you know it, a powerful physical stone will take hold, and you’ll find yourself glued to the couch in utter relaxation.

Click here for a selection of the best early-finishing outdoor cannabis strains that you can harvest by the end of September. Grow great weed in 2020!

What’s some good early finishing strains

Villa
Active Member
rocknratm
Well-Known Member
kazmaxxx
Member
Jogro
Well-Known Member

The 7-8 weeks, and 47 days described above only apply when grown under artificial lights.

When growing outdoors, typically finishing times are described by calendar DATE.

Most strains finish in early October, with some trailing a little later. Much later than that, and you’re subject to frost damage or rot from cool-weather rain.

Anything finishing in mid-Sept or earlier would be an “early” strain.

Anyway, I’ve never grown anything “early” outside, but there are a number of strains you could look at for this purpose. The indica-dominant strains tend to finish early, for example, and anything with “early” in its name is probably a good choice.

If seasonal growing isn’t your thing, take a look at autoflowers. Those will finish roughly ten weeks after you plant the seeds, no matter when you do so, and that could be a great choice for outdoor growing.

crazyj4life
Member

The 7-8 weeks, and 47 days described above only apply when grown under artificial lights.

When growing outdoors, typically finishing times are described by calendar DATE.

Most strains finish in early October, with some trailing a little later. Much later than that, and you’re subject to frost damage or rot from cool-weather rain.

Anything finishing in mid-Sept or earlier would be an “early” strain.

Anyway, I’ve never grown anything “early” outside, but there are a number of strains you could look at for this purpose. The indica-dominant strains tend to finish early, for example, and anything with “early” in its name is probably a good choice.

If seasonal growing isn’t your thing, take a look at autoflowers. Those will finish roughly ten weeks after you plant the seeds, no matter when you do so, and that could be a great choice for outdoor growing.

hazey grapes
Well-Known Member

jack’s cleaner 2 & sweet haze are my two favorite strains so far, and both finish in just 9 weeks! both are trippy with JC2 maybe being moreso and touchy feely while sweet haze is above average and very fruity.

i want to see if sannie’s jack f7 is even better as it’s considered one of the best bred jack herers in the world. his killing fields and TGA’s jack the ripper are supposed to be the real deal on the trippy front too.

i was surprised by CH9’s compact fat leaved jack which made huge seeds. it wasn’t skunky and not too stony, but nice and potent. it was overshadowed by JC2 & sweet haze which had trippier buzzes and a fruitier flavor (SH embarrassed a lot of competition for fruity hazes in my room) but looked like a really nice cash cropping sea of green plant as well as a breeder that stomps afghani for shrinking IBLs. i really want to test their jack 33 as it’s supposed to be laugh your ass off euphoric, and want to see how critical jack & the third dimension compare next as they seem promising too.

for indicas, sour cream is crazy delicious and sexy smelling. it’s just on the stony side of mids with euphoria, but functional. it walks all over similar buzzing blueberry & skunk #1 as far as i’m concerned as it’s fruity cream cheese flavor is very authentic and delicious. i hope the cross i made with a cindy apollo male has a more active buzz and retains the flavor.

DNA’s lemon skunk also impressed me like EVERYTHING i’ve tried so far as it’s not as stony as skunk #1, had a really nice happy mildly motivational buzz, a slight lemongrass flavor and a nice golden glow that suited it. i think that’s a 9 week strain too.

apollo 11 & C99 are 55 days of less strains. i’d go for A11 before his mom as cindy is too racy & clear headed for anything but activities. it’s a great buzz, but a more neutral & trippy buzz like apollo is supposed to have is funner. you can’t enjoy movies & music on strains that are too racy. i haven’t tried mosca’s cindy. it’s supposed to have some trippy & stony phenos and it too finishes around 8 weeks.

some of the better quality strains take 10-12 weeks maybe, but many of them yield up to 750 grams where the cash cropping max for faster flowering strains used to be about 400-450g. good things come to those who wait. for their weight.

UncleBuck
Well-Known Member

what finishes quickly indoors may not finish as quickly outdoors.

my indoor champs are GDP and black domina, both around 45 days or so. my outdoor champ is a random strain i was given, unsure of genetics.

bluntmassa1
Well-Known Member
sonar
Well-Known Member

I am growing a single Sensi Super Skunk plant and it looks like it will be finishing here in the next few weeks. Most of the reviews I’ve read, which are many since it is a classic, tried and true strain, have it finishing by the end of Sept. (first 3 pics)

Lost Coast OG looks like it will be finishing in a few weeks too and looks like it is going to be a pretty big yeilder. (last 3)

hazey grapes
Well-Known Member
Jogro
Well-Known Member

The only way mid-summer hits 12-12 is if you happen to live exactly at the equator. If you do, by all means do NOT look for an early-finishing strain, but instead grow one of the excellent super-long flowering equatorial sativas that are hard to grow outdoors anywhere else!

Everywhere else on the planet, outdoors, 12-12 light/dark occurs at the autumnal equinox, Sept 21st (and vernal equinox, March 21st). With normal outdoor growing in most of the continental USA, by the time the light naturally gets to 12-12 outdoors, not only have most photoperiod plants been flowering for roughly two months already, but many strains are fully mature and ready to harvest. The truly “early” strains will have ALREADY been harvested BEFORE the days get to 12-12!

In fact, most cannabis plants grown outdoors in the continental USA will actually start to flower around the end of July, when there are about 14 hours of daylight.

There are VERY few strains that actually “need” 12 hours of uninterupted darkness to flower; most will start to flower with only 10 hours of darkness, and a few super early strains can start to flower with as little as 9 or even 8 hours (eg the “Iranian Autoflower” or Guerilla Gold 3). The ruderalis-based autflowering strains aren’t photosensitive, so they can flower outdoors during ANY time of year, so long as the plants themselves are at least a few weeks old and sexually mature.

Other than their genetics, the single biggest factor affecting the calendar date when plants put outside will finish is actually the LATITUDE, because its the latitude that controls how many hours per day of sunlight you see.

The closer you get to the equator, the closer EVERY day (all year long) is to 12-12. The closer to get to either pole, the LONGER the summer days, and the shorter the winter days.

If you go up to Alaska, for example, you don’t get “down” to 14 daylight-hour days until September. Unfortunately, the days get shorter so fast up North, that by the end of October just 8 weeks later, you’re already down to only 8 daylight-hour days.

Anyway, getting back to the original question, pure indica strains (including master kush) tend to be fast finishers, and most of these will be done at or before mid-September outdoors.

Again, autoflower strains will be done roughly 10 weeks after you plant the seeds, making them ideal for outdoor growing. Not only can you have plants ready for harvest in June (if you start them indoors and put them outside in early April), but you can stagger planting new plants all spring, and have continuous harvests all summer through fall, if you like.

I live in the Northeast and would like some recomendations for some early strains due to mother nature being unpredictable. I want quality more then…