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Quick growing outdoor cannabis seeds

10 Fast-Growing Cannabis Flowers for Impatient Gardeners

Growing cannabis can be an arduous process. Beyond the space, materials, and nutrients needed, time and light are the most essential ingredients in the cannabis cultivation equation. But what if you’re impatient or short on time? Is there a way to speed up the growing process?

Historically, black market growers would seek out or hybridize strains to harness attributes that catered to their surreptitious needs. These plants would usually be short and stalky with larger-than-average yields, and in some instances they would be autoflowering (such as a ruderalis hybrid). They were designed to be fast-flowering for both a quick turnover and so they could be easily relocated from time to time.

The fast-flowering cannabis strains listed below are now emerging for professional and hobby growers to utilize. They’re perfect for novice growers as well as set-it-and-forget-it growers who want to squeeze out a harvest with little time to spare. The list includes a mixture of both photoperiod and autoflowering varieties so you can find the perfect plants for your setup.

Photoperiod Strains That Grow Quickly (7-9 Weeks)


Lowryder is a hybrid strain that was inbred for nine generations by Joint Doctor Seeds to give it a dwarfed size. Growing no more than 16 inches tall, it’s the cannabis equivalent of a bonsai for the discrete grower’s windowsill or balcony. Lowryder’s small size comes from a species of cannabis ruderalis crossed with Northern Lights #2 and then William’s Wonder. Consumers, be patient with this strain: its medicinal and cerebrally stimulating effects have a slow but powerful onset. A mild earthy aroma radiates from the small, conic buds which autoflower in a short 40 to 45 days. Lowryder is a stalwart plant that can survive in harsh, colder climates, making it a popular strain in northern regions like Finland and Canada.

Critical Kush

Critical Kush from Barney’s Farm is a mostly indica strain that blends together two famed cannabis staples, Critical Mass and OG Kush. Aromatic notes of earthiness and spice usher in a calming sensation that relaxes the mind and body. Critical Kush pairs a staggeringly high THC content with a moderate dose of CBD, making this strain a perfect nighttime medication for pain, stress, insomnia, and muscle spasms. Growers cultivating this strain indoors will wait 50 to 60 days for Critical Kush to complete its flowering cycle.

Early Girl

Early Girl is the wallflower of cannabis strains since its introduction in the 1980s. Lovingly preserved by the breeders at Sensi Seeds, this strain is lazy and relaxed, nothing over the top. A 75/25 indica-dominant hybrid, Early Girl is a good one for those new to cannabis who would like relief from stress. Also a great strain for novice growers, it’s compact, resilient, and has a particularly short flowering time of 7 to 8 weeks. Early Girl grows especially well outdoors, but won’t put up a fuss if she’s stuck inside.

OG Kush

OG Kush makes up the genetic backbone of West Coast cannabis varieties, but in spite of its ubiquity, its genetic origins remain a mystery. Popular myth maintains that Chemdawg and Hindu Kush parented OG Kush, passing on the distinct “kush” bud structure we see in many strains today. However, we can’t be sure because OG Kush first came from bag seed in the early 90s. The earliest propagators (now known as Imperial Genetics) are said to have brought the seeds out of Florida to Colorado and southern California, where it now flourishes. There are many different phenotypes of OG Kush, some of which include Tahoe OG, SFV OG, and Alpha OG.

OG Kush is cherished for its ability to crush stress under the weight of its heavy euphoria. It carries an earthy pine and sour lemon scent with woody undertones, an aroma that has become the signature of OG Kush varieties and descendants. With OG Kush, patients most commonly cite improvements in migraines, ADD/ADHD, and stress disorders.


Superglue is a hybrid strain bred by Seedism Seeds. A cross between Afghani and Northern Lights, Superglue inherits indica growth patterns along with a sweet caramel and pine aroma. Superglue brings calming relaxation to the mind and body, but leaves you functional and energetic enough for social activities or a productive afternoon.

Autoflowering Strains That Grow Quickly (7-12 Weeks)

Red Dwarf

Red Dwarf is a rarer strain of cannabis that is an autoflowering plant. This trait comes from its cannabis ruderalis genetics, which is a third variety of the plant that’s usually not bred due to its lower THC content. The wonders of selective breeding from Buddha Seeds have resulted in seeds that grow to adulthood in an incredibly short six weeks. This strain’s squat, small plants are easy to grow in smaller spaces, making it a popular choice for growers who want something simple and fast. Indica-dominant, Red Dwarf will eventually make you sleepy, but not without some relaxed euphoria first.


Hobbit by Kannabia Seeds is a resilient autoflowering variety with sweetness and strong elemental resistance. This strain has a sweet aroma that has been described as “strawberry candy” and an equally sweet smoke with latent earthy notes. Hobbit deftly combines stimulating Haze elements with a pervasive body buzz that is lightly weighted while remaining pleasant and functional. Many growers covet this autoflowering wonder for its quick 65-day flowering time and above-average yield.

White Ryder

White Ryder is Riot Seeds’ attempt to create a ruderalis version of White Widow by crossing Buddha Seeds’ White Dwarf against Lowryder. By blending two stout, autoflowering plants, Riot Seeds created a potent indica-dominant hybrid that finishes in under 80 days and can easily be hidden from view. Enjoy this flower for anti-anxiety and sleep-inducing effects.

Purple Cheese

Purple Cheese is an indica-dominant autoflowering hybrid that combines Purple #1, Blue Cheese, and Lowryder. Bred by Auto Seeds, Purple Cheese was designed to have a sweeter, less cheesy flavor than its Blue Cheese parent. It does, however, inherit a tight bud structure and a high CBD profile. With a palatable fruit aroma, Purple Cheese delivers powerful full-body effects best suited for night owls or patients treating pain. Colder climates will bring out this hybrid’s purple hues, and for best results, growers should keep this autoflowering variety between 50-80 cm in height.

Royal Haze

Royal Haze (or Royale Haze) by Dinafem Seeds is a mostly sativa strain bred from Skunk, Haze, and Northern Lights genetics. Taking after her Haze parent, this sativa inherits a spicy citrus flavor and buzzing, energetic effects that keep you alert and productive throughout the day. Outdoor growers will appreciate her flexibility and resilience even when the temperature drops, although her 10-11 week flowering cycle demands a bit of patience.

An autoflowering rendition of Royal Haze was bred by Royal Queen Seeds, who mixed Amnesia Haze, Skunk, and a ruderalis strain. Its effects are similarly energizing and cerebral.

The Best Fast-Flowering Cannabis Seeds for Outdoor Growers

Outdoor growing can be unpredictable, making fast-flowering a must.

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With too many varieties to choose from out there, it can be difficult to sift through all of the options for a fast flowering cannabis seed for your outdoor grow. Fortunately, there are plenty of fast-flowering seeds out there to help outdoor growers hedge against the uncertainty of outdoor conditions. These genetically programmed beauties are the quickest strains available and can finish flowering in as little as seven to eight weeks. But don’t worry: faster flowering speeds don’t have to mean a lower quality grow. These strains still have high potency, quality and yield; you will just realize these benefits faster! Fast seeds are the answer for growers in northern climates and shorter growing seasons, or for anyone that just wants to get to the finish line a bit faster than their competition.

Northern Lights #5 Fast

This quick-growing version of its namesake flowers a few weeks sooner than the original Northern Lights #5 (NL5). This strain originates from Afghan Indica genetics and as such is a smaller plant that produces highly resinous flowers. It is the perfect choice for those living in areas with early frost dates.

AK-47 Fast

Like the Northern Lights #5, the AK-47 Fast is a strain of the species that has a short grow time of seven weeks to the onset of inflorescence. This strain produces dense, Indica-like buds with high yields, and sweet, earthy tastes.

Sunset Sherbet

Don’t let the lack of the word “fast” in its name deter you. Sunset Sherbet can be flowering as soon as week seven, but definitely by week nine. This particular variety may be better suited for the grower with some experience behind them, but the daring newbie may fare just fine with it as well if starting with feminized seeds. Sunset Sherbet is similar to Girl Scout Cookies and boasts abundant trichomes.

Black Domina

Like Sunset Sherbet, even though the name may not imply it, this strain can flower between weeks seven and nine. Further benefits to this variety are that feminized seeds of this strain are relatively low maintenance plants that are resistant to many pests and diseases that can sometimes affect other cannabis strains. As a further bonus, expect sticky buds with incredible aromas.

Auto-Super Lemon Haze

Shorter than Critical Kush (below), Super Lemon Haze is a strain that grows up to four feet (1.2 meters) tall. A great combination of Sativa, Indica and wild cannabis (ruderalis), Super Lemon Haze will start flowering as early as week three and is harvestable by week nine, making it among the fastest strains around.

Tahoe Kush

Another strain with strong resistance to diseases such as mold and mildew, Tahoe Kush is a THC- dominant strain with levels as high as 20-25%. Outdoor growers can expect yields of this strain of about 10 to 12 ounces (about one-fourth to one-third of a kilogram) of product per plant. Expect flowering at about nine to 10 weeks.


This strain is capable in flowering in as few as eight weeks and like Sunset Sherbet, Chocolope may be better grown by a more experienced grower unless feminized seeds are used. A Sativa selection, Chocolope offers high yields.

Auto-Critical Kush

Autoflowering strains like Auto-Critical Kush and Super Lemon Haze (above) are good choices for growers that may not be fully in tune yet to the cannabis lifecycle. These strains will “automatically” switch from vegetative stage to flowering stage, regardless of light levels. Auto-Critical Kush is a hybrid of wild cannabis strains and will be harvestable for outdoor growers by late summer.

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This unique strain, which has a definite blueberry taste and aroma, is among the quicker flowering strains available. It is regarded as one of the most beneficial strains of cannabis in the medicinal marijuana community, and is valued as well for its red, purple and blue hues and large, crystallized buds.

We hope this list included some fast-flowering options to consider for your outdoor grow. You can find more options at Seed King.

Fastest Outdoor Cannabis Strains

Harvesting before the autumn rains is a priority for many growers all around the world outdoors, which is why we recommend planting short-flowering plants. In this post we’re going to check out some of the fastest outdoor cannabis strains and the different types of strains you can grow.

Table of Contents

At La Huerta Grow Shop we don’t want rain or bad weather to end up ruining your harvest. That’s why we’re here to help you to find the strain that fits best with your tastes and also allows you to harvest successfully; let’s have a look at some of the fastest feminized strains for outdoor growing.

Fastest Photoperiodic Cannabis Plants for Outdoor Growing

Photoperiodic cannabis plants can be either feminized or regular plants that grow and flower depending on the amount of light received. The difference in flowering times in these strains can make or break the quality of your yield when growing outdoors. Let’s go through a list of the 10 fastest feminized strains on the market.

Jamaican Dream by Eva Seeds

At the top of the list we have Jamaican Dream by Eva Seeds, the fastest sativa strain in the world and definitely one of La Huerta Grow Shop’s best-selling seeds for years now. This amazing strain fell into the hands of Eva Seeds in 2007.

  • Effect
  • Harvest
  • Flavor
  • Cannabinoids

Jamaican Dream is a plant that’s super easy to grow, high yielding and high in quality that’s ideal for all types of growers. We highly recommend it and all of the feedback that we’ve received is positive. Jamaican Dream by Eva Seeds flowering outdoors. The fastest sativa on the market.

Exodus Cheese by Green House Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids
  • La Huerta Grow Shop Opinion

Exodus Cheese is a high quality strain that, while it may not be the highest-yielding plant or the easiest to grow, can reward your hard work with extremely high quality buds if treated correctly. Exodus Cheese by Green House Seeds is a fast-flowering high quality cannabis strain and one of the highest-yielding plants.

Northern Lights by Sensi Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids

Northern Lights is a high-yielding strain that’s easy to grow and super resinous, making it ideal for beginner growers, those that make their own concentrates and indica-lovers. Northern Lights by Sensi Seeds is a high-yielding strain that’s easy to grow; a great choice for indica lovers.

Kritikal Bilbo by Genehtik Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids

Kritikal Bilbo is a strain that you can’t go wrong with; easy to grow, fast, amazing aroma and flavour, potent… what else could you ask for? Kritikal Bilbo by Genehtik Seeds is a safe bet; fast, aromatic and flavourful, high-yielding and easy to grow.

Ketama by World of Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids
  • La Huerta Grow Shop Opinion

Ketama is an ideal strain for arid and dry climates as well as places with poor soil or areas that lack nutrients. Ketama by World of Seeds is a cannabis strain ideal for using in soil with little nutrition as it doesn’t need many nutrients to grow.

Furious Candy by Eva Seeds

  • Effect

Potent, relaxing and mentally pleasing. Perfect for relaxing after a hard day, stress-relief, meeting with friends and for helping achieve sleep.

How to Grow Feminized Cannabis Seeds Outdoors

Learn how to grow feminized cannabis seeds outdoors, all of the tips and tricks needed for a successful grow.

  • Flavour
  • Cannabinoids
  • La Huerta Grow Shop Opinion

Furious Candy is the perfect strain for those that love sweet indicas and make their own concentrates thanks to its high resin yield. Furious Candy by Eva Seeds is a high yielding cannabis strain that’s resinous, easy to grow and high in yield.

Alpujarreña by Pyramid Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids
  • La Huerta Grow Shop Opinion

Alpujarreña is ideal for humid, cold climates or places with insect issues. It’s also a great choice for those that love indica strains. Alpujarreña by Pyramid Seeds has a short flowering period and is highly resistant to humid climates, cold and insect infestations.

Great White Shark by Green House Seeds

  • Effect
  • Harvest
  • Flavour
  • Cannabinoids
  • La Huerta Grow Shop Opinion

Great White Shark is the perfect strain for indica-lovers that love sweet flavours and making their own concentrates due to how much resin it’s capable of producing. Great White Shark by Green House Seeds is an easy to grow resinous strain.

Short Flowering Cannabis Strains

There are certain types of cannabis that have a generally fast flowering period or short growing period in general such as Fast Version strains, Moroccan strains, Skunk strains, Afghan strains and autoflowering strains.

Fast Version Strains

There are certain non-autoflowering strains that have Ruderalis genes in them. The combination between autoflowering and photoperiodic plants creates a plant that has a super-fast flowering period but isn’t autoflowering.

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This means that strains that are usually harvest around the beginning of October, in their fast version format they could be ready towards mid to end September.

    has their own F1 fast version range which includes: Jack 47 F1 Fast Version, Green Poison F1 Fast Version, Cristal Candy F1 Fast Version and Cream Mandarine F1 Fast Version. also has a Fast Version range of non-autoflowering seeds with Ruderalis genes used to accelerate the flowering period. Some of their best strains are: Speedy Chile Fast Flowering , Candy Kush Express Fast Flowering, Royal Cheese Fast Flowering, and Honey Cream Fast Flowering. also has their own Early Version range, which includes: Marmalate Early Version, Sugar Black Rose Early Version, Delicious Candy Early Version, and Caramelo Early Version.
    Female Seeds also has Ruderalis strains; Critical Sour and Easy Sativa. by Dutch Passion. by World of Seeds
  • Sensi Seeds’ classic Regular Ruderalis Indica strains, some of which are autoflowering and some of which are fast version.

Autoflowering Strains

Automatic or autoflowering cannabis strains tend to start their flowering period when they’ve been growing for a few weeks (between the 2nd and 4th weeks) regardless of their life cycle. This allows them to finish up their life cycle in a total of 60 – 100 days from germination. Plus, this also allows you to harvest various times throughout the season; their discreet size allows you to make the most of small balconies or those that aren’t that visible.

  • These plants grow regardless of the amount they receive.
  • Hey contain Ruderalis genes, a plant that originates in Russia; it doesn’t have much of an effect but it has adapted well to the climate.
  • They should be ready two to three months after they sprout their first leaves.
  • You can harvest various times a year outdoors.
  • Fast indoor harvests.
  • Ideal for medicinal consumers that need a fast harvest that isn’t too complicated. Plus, they tend to have medium CBD levels.
  • They’re easy to grow due to their short life cycle; they don’t need as much attention as photoperiodic strains.
  • These plants are short and discreet, which makes them ideal for balconies and terraces where you can harvest a few times per season.

At La Huerta Grow Shop we have a wide range of autoflowering cannabis seeds. Maggnum by Buddha Seeds is one of the most high-yielding autoflowering strains on the market.

Skunk Strains

Skunk strains are quite the legend among cannabis consumers; many different strains contain Skunk genes, as it’s one of the most-used strains when it comes to making hybrid cannabis plants.

Skunk plants are known for how easy they are to grow, their short flowering period, intense aroma and high strength. Some of the best Skunk strains are Critical King from La Huerta Grow Shop’s Private Reserve, a selection of Kritikal Bilbo which is fast and potent, Kritikal Bilbo by Genehtik, or the original Critical mass by Mr Nice SeedBank. Skunk 1 by Sensi Seeds is used for many hybrid strains.

Moroccan Seeds

In Morocco cannabis has been grown and consumed for centuries, although their hash production as we now know it didn’t begin until the 60s.

    by Philosopher Seeds
  • Purple Maroc by Female Seeds
  • Maroc by Female Seeds by World of Seeds

Dutch Strains

The first Dutch seed banks originally worked with strains best designed for indoor growing. However, they have been working on producing strains that are much better suited for indoor growing. They’ve created plants that have adapted to the Dutch climate for outdoor growing.

    by Dutch Passion: this is a purple hybrid that’s ideal for smoking during the day. by Dutch passion is one of their must beautiful plants. Some of them can go a beautiful purple colour and produce deep green leaves. It’s easy to grow, producing a happy and stimulating effect. by Mr Nice SeedBank has a euphoric effect that turns relaxing; easy to grow.
  • Sensi Seeds’ early strains are a collection of three plants; an indica, a sativa and a Skunk hybrid for outdoor growing in Dutch climates. : this is a classic that was inherited from The Seed Bank and has persisted throughout the years. Only available in regular format. : this is Sensi Seeds’ first indica-dominant outdoor strain. It comes from a combination between Afghan, North-Indian and Mexican strains. : this is a combination between Early Pearl and Skunk 1 which made this strain capable of finishing up by the end of September; it’s still winning prizes 30 years after being released on the market.

Afghan Strains

The Hindu Kush region falls within part of Afghanistan and part of Pakistan. This region has a lot of cannabis culture, where Charas hash is traditionally made by hand.

    by Sensi Seeds by Nirvana Seeds by Sensi Seeds by Eva Seeds by Sensi Seeds by Humboldt Seeds by Sensi Seeds by Barney’s Farm Seeds by Sweet Seeds by Pyramid Seeds

At La Huerta Grow Shop you can find the best seeds, substrate and all of the tools needed to grow amazing cannabis strains outdoors. Plus, we also have a team of professionals ready to help you out so that each and every harvest is better than the last.