The Top 10 Fast-Flowering Cannabis Strains

If you’re looking for fast-growing strains, there are plenty of fast-growing and fast-flowering cannabis seeds for cultivators to choose from. Many will be autoflowers, but some are photoperiod strains that simply flower faster than normal.

Remember that autoflowering varieties tend to grow faster than feminized and regular seeds, and they do not need changes in the light cycle to go into their flowering stage. However, there is a tradeoff. Autoflowers tend to produce smaller cannabis plants and yield less when it’s time to harvest.

This article highlights popular feminized and autoflower cultivars strains that also qualify as fast-growing cannabis strains.  

Lowryder Autoflower

Lowryder autoflower is one of the fastest-growing cannabis strains in the world. Legends also tell us Lowryder is one of the first-ever autoflowering strains in the entire world.

Lowryder Autoflower Seeds

Lowryder autoflower seeds is believed to be one of the first autoflowering strains of marijuana. Although small, lowrider has noticeable cerebral effects. The onset is slow yet satisfying.

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This 80% indica strain can grow in as little as seven weeks when cared for properly and provide you with 5-15oz per plant. It took nine generations of breeding to create Lowryder autoflower, but your flowers will bloom faster. Plus, due to the Ruderalis genetics, this fast flowering strain can withstand extreme growing conditions. 

Read our full strain review of Lowryder, or shop for Lowryder autoflower seeds.

Lowryder cultivar profile

OG Kush

This strain not only flowers fast; it’s also well-known by cannabis cultivators and enthusiasts worldwide. This 75% indica strain is ready to flower in as little as seven weeks with autoflower seeds and eight weeks with photoperiod feminized seeds.

OG Kush Feminized Seeds

OG Kush produces a mood-elevating, heavy euphoria making it great for people looking to wash away stress. Its blend of 75% indica and 25% sativa brings a balance between physical and mental experience.

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OG Kush can be grown indoors and outdoors, depending on your preference and available space. OG Kush fem will produce taller plants that reach around 35-63 inches, so it’s essential to make sure you have the space to support its growth. 

Read our full strain review of OG Kush, or buy OG Kush feminized seeds and OG Kush autoflower seeds.

OG Kush cultivar profile

Jack Herer (Autoflower)

Jack Herer is one of the most popular marijuana strains that has made it to many top 10 lists. For this particular strain, its fame is due to how influential it was in history and how easy it is to grow. And its autoflowering variant makes that experience easier and faster by having a short flowering period of as little as seven weeks. Jack Herer is an easy strain to grow strain, producing buds with THC levels of up to 20%. It can also produce a decent yield of 5-15 ounces per plant.

Jack Herer Feminized Seeds

Jack Herer is one of the most popular strains in the world. It was first bred for marijuana patients due to genetics that delivered happy and soothing feelings combined with potent properties for therapeutic use.

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Like most autoflower seeds, Jack Herer Auto is best grown indoors to give you a much easier time. This is the perfect fast-growing cannabis strain for beginners and is considered the “grower’s dream” by many experts because it is so easy to grow.  

Read our full strain review of Jack Herer, or shop for Jack Herer autoflower seeds.

Jack Herer cultivar profile

Big Bud

This 80% indica strain is well-known amongst cannabis cultivators for being easy to grow and high-yielding. Big Bud feminized cannabis can produce high yields of 16-25 oz per plant and has a flowering time of as little as nine weeks. It may not be the fastest-flowering strain compared to others on the list, but the yield-to-flower time ratio makes up for it.

Big Bud Feminized Seeds

Big Bud remains popular for all kinds of growers due to its high yields. Staying true to its lineage as an indica strain, Big Bud delivers deep full-body effects that will highly motivate you to relax.

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When growing Big Bud, it’s important to note that the strain likes warm climates, and as the plants can grow quite tall, growing outside may be a better option. Big Bud also grows thick stalks, so it’s best to support the plants with tensioned wires or strings. 

Read our full strain review of Big Bud, or buy Big Bud feminized seeds.

Big Bud cultivar profile

Candy Kush

Candy Kush or Kandy Kush is a 75% indica strain perfect for enjoying towards the end of the day. This strain’s soothing nature delivers a pleasant high and makes you feel mellow and relaxed.

Candy Kush Feminized Seeds

Candy Kush is a marijuana strain that is perfect for enjoying at the end of the day. It's not too pungent or strong taste-wise or smell-wise, but recognizable and pleasant just the same.

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Candy Kush is one of the best fast-flowering seeds that flower in as little as seven weeks and produce up to 14 oz of yield when grown indoors. When grown outdoors, Candy Kush can produce up to 17 ounces. These indica plants will do extremely well indoors using scrogging or low-stress training techniques.

Read our full strain review of Candy Kush, or shop for Candy Kush feminized seeds.

Candy Kush cultivar profile

Critical Mass

This 80% indica strain contains high levels of THC (22%) and CBD (5%), making it one of the more unique strains. Not only is Critical Mass an absolute delight to consume, but it flowers pretty quickly, too. Enjoy a decent yield of around 17 oz per plant in as little as eight weeks. For autoflower seeds, Critical Mass will yield 5-15oz per plant with a slightly faster flowering phase of seven weeks.

Critical Mass Feminized Seeds

Critical Mass is particularly known for having high levels of CBD, making it an excellent choice for those who want to relieve their symptoms and still be able to function.

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Critical Mass is an easy grow, even for beginners who want to try cannabis cultivation. It’s important to note that this strain prefers a warm and sunny climate, similar to the Mediterranean. 

Read our full strain review of Critical Mass, or buy Critical Mass feminized seeds and Critical Mass autoflower seeds.

Critical Mass cultivar profile

Blue Cheese

Blue Cheese is a world-famous strain known for delivering a strong indica effect paired with a very distinct smell and taste of, yep, you guessed it—berries and cheese. With THC levels of around 19%, Blue Cheese is a potent strain that delivers strong effects, a balanced high, and no drowsiness.

Blue Cheese Feminized Seeds

Blue Cheese seeds are known to grow a sweet and savory flavored plant. This taste is just as unique as the euphoric feelings it delivers its user.

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Blue Cheese feminized seeds can flower in 8-9 weeks and yield 5-9 oz per plant. This strain may produce a lower yield, but the end result is well worth it. This strain has won numerous awards, including  “Best Cannabis” at the High Times Cannabis Cup.

Read our full strain review of Blue Cheese, or shop for Blue Cheese feminized seeds and Blue Cheese autoflower seeds.

Blue Cheese cultivar profile

Bruce Banner Autoflower

Despite being the slender version of the comic book hero The Incredible Hulk, Bruce Banner still packs a mean punch with high levels of THC over 20%. This 60% sativa strain has won numerous awards and is one of the most potent strains tested in the history of the Cannabis Cup.

Bruce Banner Feminized Seeds

Based on the original prize-winning Bruce Banner, our signature strain is a perfectly bred blend of OG Kush and Strawberry Diesel. Bruce Banner is a mostly sativa hybrid.

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Bruce Banner auto will be ready to flower in as little as seven weeks, and you’ll yield an average of 5-6 oz per plant when grown indoors. When growing Bruce Banner outdoors, your potential yield increases to 12-15 ounces per plant. 

Read our full strain review of Bruce Banner, or buy Bruce Banner feminized seeds and Bruce Banner autoflower seeds.

Bruce Banner cultivar profile

LA Confidential

Created by South California Labs, LA Confidential is a popular mix of Afghani and OG LA Affie strains. This super strain contains THC levels well over 20% and is ready to flower in as little as six weeks. So, not only is this powerhouse strain very potent, but LA Confidential is one of the fastest flowering strains on our list.

LA Confidential Feminized Seeds

You'll find this popular West Coast hybrid to be in high demand, especially around the Los Angeles area. This is a super-strain that delivers a powerful euphoria and psychedelic high.

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LA Confidential was originally created for indoor gardens and thrives in areas with consistent temperatures and controlled humidity. If you’re considering growing LA Confidential, give this strain temperatures between 68-80 degrees Fahrenheit. 

Read our full strain review of LA Confidential, or shop for LA Confidential feminized seeds.

LA Confidential cultivar profile

Cookies and Cream

Our list wouldn’t be complete without a cookie strain,  and luckily for cannabis growers, this Cookies and Cream strain flowers in as little as seven weeks. Cookies and Cream is a 70% indica dominant strain with high THC levels of over 20%. Created by combining Girl Scout Cookies (GSC) and Starfighter, this strain has become a delicious go-to for cannabis enthusiasts.

Cookies and Cream Feminized Seeds

Cookies and Cream is the result of crossing indica dominant Starfighter with an undisclosed version of Girl Scout Cookies. This Denver Cup winner (2014) is a balanced hybrid that can lean indica if taken in large quantities.

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Cookies and Cream plants can be challenging for beginners to grow as they require special care. That being said, the autoflower version of Cookies and Cream has less of a learning curve and is more manageable for beginner-intermediate growers who want to try cultivating it. 

Read our full strain review of Cookies and Cream, or buy Cookies and Cream autoflower seeds.

Cookies and Cream cultivar profile

Conclusion

Growing your own cannabis can be a very fulfilling and fun experience when you know how to do it. To learn the ins and outs of cultivating cannabis, download Robert’s Grow Bible, a free 70-page guide to growing the best marijuana.