10 Best Autoflowering Cannabis Strains

A closeup image of an autoflowering Cannabis plant

Autoflowering cannabis strains have exploded in popularity in recent years. The ability to go from seed to harvest in as little as 75 days, along with being compact and resilient, makes autoflowers an appealing option for most growers.

But with a wave of new Auto's flooding the market, which ones should you grow? In this article, we take a look at 10 of the best autoflowering cannabis strains in the world.

Need more options? Check out our full range of epic autos!

1. Northern Lights Auto

Northern Lights Auto from WeedSeedsExpress grown by Shane41 and leafy_greenz on Growdiaries

Northern Lights Auto is the perfect choice for anyone wanting a low-maintenance, high-reward autoflowering strain. With a rapid growth cycle of just 11-13 weeks, this beauty reaches 70-120cm indoors and can yield up to 500g per m²

Outdoors, it can stretch to 170cm and produce 150g per plant, making it ideal for growers with space and patience. Its sweet, citrusy aroma with earthy pine notes is just as satisfying as its performance.

With THC around 18% and a good CBD content, Northern Lights Auto offers the best of both worlds—quick, easy growth and a satisfying end product for all levels of growers.

2. Amnesia Haze Autoflower

Amnesia Haze Auto from WeedSeedsExpress grown by WSE

Amnesia Haze Auto is a Sativa-dominant autoflower known for uplifting effects and citrusy aroma. This fast-flowering strain yields up to 400g per m² indoors and 300g per plant outdoors, reaching towering heights of 150cm.

It has an earthy, lemony scent and smooth, spicy lemon flavor. Effects are mood-boosting yet not overwhelming, with its 18% THC making it suitable even for casual users. However, avoid pre-bedtime use as Amnesia Haze Auto has energizing effects.

With its heavy yields and zesty citrus profile, this strain is ideal for Sativa lovers seeking an easy autoflowering option.

3. Girl Scout Cookies Autoflower 

Girl Scout Cookies Auto from WeedSeedsExpress grown by TheGourmetWeed and Ts1Ko on Growdiaries

Girl Scout Cookies Auto is a top-tier autoflowering strain that’s hard to beat. Whether you’re growing indoors or outdoors, this easy-to-manage hybrid reaches 60-100cm and yields up to 600g per m² indoors, or 150g per plant outdoors.

With a sweet, earthy, cookie-like flavor and a minty aroma, it’s a treat for the senses. Plus, with 22% THC, it packs a punch, offering a euphoric yet relaxing experience. 

Known for its mold resistance, high yields, and versatility, Girl Scout Cookies Auto is perfect for both beginners and seasoned growers looking for a reliable and flavorful option.

4. Sour Diesel Autoflower

Sour Diesel Auto from WeedSeedsExpress grown by WSE

Sour Diesel Auto is the go-to autoflowering strain for anyone looking to maximize their harvest in a short time. This fast-flowering strain hits maturity in just 8-9 weeks, offering impressive yields of up to 400g per m² indoors and 170g per plant outdoors. 

Reaching up to 160cm, it’s perfect for those with a bit of space to work with. With a robust diesel aroma and tangy citrus flavor, it delivers a classic Sour Diesel experience.

At 23% THC, it's potent, so be prepared for a fast-acting, cerebral buzz. If you want big yields and a recognizable flavor, Sour Diesel Auto is your strain.

5. Zkittlez Auto 

Zkittlez Auto from WeedSeedsExpress grown by Danger90946 and Mosquito_Haarlem_Holland on Growdiaries

Zkittlez Auto is the autoflowering strain that brings the fun, with its candy-like flavor and sweet, fruity aroma. This easy-to-grow hybrid is perfect for beginners and pros alike, reaching 75cm indoors and 100cm outdoors. 

With up to 21% THC, it offers a relaxed, chill vibe without weighing you down. Zkittlez Auto is a breeze to grow, producing heavy yields and thriving with the right care.

Whether you're new to growing or looking to add something sweet to your lineup, this strain’s sweet taste and solid performance make it a must-try.

6. Gorilla Glue Auto 

Gorilla Glue Auto from WeedSeedsExpress grown by Master_weeda and smoking_hills9 on Growdiaries

Gorilla Glue Auto is a potent, fast-flowering strain known for sticky buds and a delightful aroma. This resilient autoflower finishes in just 8-10 weeks. Indoors it reaches 60-100cm and yields up to 550g per m².

Outdoors, it can grow 100-150cm tall, producing 60-120g per plant. Gorilla Glue Auto has a woody, earthy aroma with hints of wild cherry and berry. The taste combines pine, coffee, and chocolate notes. Effects are powerful yet uplifting and calming.

However, newcomers should be cautious due to its high THC levels. Overall, this is an easy-to-grow, high-yielding auto with a tasty profile.

7. Jack Herer Auto

Jack Herer Auto from WeedSeedsExpress grown by Theia on Growdiaries

Jack Herer Auto is a robust, pest and disease-resistant auto-flowering strain that guarantees an easy growing experience indoors or outdoors. This Sativa-dominant hybrid reaches 80-100cm indoors and 120cm outdoors.

It flowers rapidly in 8-9 weeks, yielding up to 400g per m² indoors and 100g per plant outdoors. Jack Herer Auto has a sweet, fruity aroma with pine nuances.

Effects are strong yet not overwhelming, delivering euphoria and relaxation thanks to 19% THC content. Its mold resistance, high yields, and sweet flavors make this an ideal auto-flowering strain for both novice and expert growers.

8. Cheese Auto

Cheese Auto from WeedSeedsExpress grown by WSE

Cheese Auto is a potent, pungent hybrid with a distinctive cheese aroma. This autoflowering strain can be grown indoors and outdoors. It grows Christmas tree-shaped with thin elongated leaves.

Cheese Auto reaches 70-100cm indoors and 80-120cm outdoors, yielding 350-450g per m² and 160-210g per plant respectively. This strain has an intriguingly skunky, earthy, and cheesy scent and taste profile with sweet wood undertones. 

It delivers a balanced euphoric and relaxing high, perfect for unwinding after a stressful day. However, new users should be cautious due to its 20% THC content. Cheese Auto is a versatile, good-yielding auto that’s uncomplicated to cultivate.

9. Bubblegum Auto

Bubblegum Auto from WeedSeedsExpress grown by TheTrueGrower on Growdiaries

Bubblegum Auto is a sweet, potent hybrid with Indica, Sativa, and Ruderalis genetics. This auto-flowering strain flowers in just 56-63 days. Indoors it reaches 90cm and yields 300-350g per m². Outdoors it stretches to 130cm, producing 130-150g per plant.

Bubblegum Auto has a sugary berry, tropical taste reminiscent of bubblegum, with floral and earthy undertones. It provides an uplifting, euphoric head high along with body relaxation that relieves stress and pain.

Couch-lock is unlikely but overindulgence can cause drowsiness. This beginner-friendly strain thrives indoors and outdoors.

10. Pineapple Express Auto

Pineapple Express Auto from WeedSeedsExpress grown by WSE

Pineapple Express Auto is the perfect strain for growers looking for a fast and flavorful autoflowering option. This Indica-dominant hybrid flowers in just 49-56 days, delivering up to 600g per m² indoors. 

Standing at a manageable 80-110cm, it’s ideal for smaller spaces. With its tropical pineapple aroma and uplifting, euphoric high, Pineapple Express Auto is a treat for both the senses and the grower.

Easy to cultivate with minimal fuss, it promises multiple harvests per season, making it a top pick for those looking to get the most out of their autoflowering experience.