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Whether you’re new to growing cannabis or a longtime cultivator, you probably know about the easiest path to a usable plant: autoflowering seeds.
These seeds can thrive inside or outside, bloom on a quick timeline, and are widely available.
Before you dive into the best autoflower seeds on the market, consider a few factors to determine if you’re ready to grow for yourself.
Things to Know Before Buying Autoflower Seeds
Desired Strain
Autoflowering seeds usually come in Indica- or Sativa-dominant strains. If you go the Indica route, expect a soothing, relaxing high from your product. Meanwhile, Sativa-dominant products offer a euphoric, stimulating experience.
Potency
Cannabis buds will have different effects depending on their THC and CBD content. THC is the psychoactive component in cannabis, meaning that a higher THC content will give you a stronger, longer high. CBD is less psychoactive and creates a calming, soothing effect.
Growing Conditions
Like any plant, each cannabis strain will grow differently depending on your climate. Cannabis plants also grow into different shapes — some become tall and leggy, while others are short and compact. Make sure you understand your strain’s ideal growing conditions and final size.
Brand Reputation and Reviews
Make sure you purchase your autoflower seeds from the best cannabis seed banks, all of which will be transparent about customer reviews and will offer strong return policies that cover you in the event of a disappointing germination rate. Top seed banks also offer discreet packaging that ensures your order doesn’t stand out for seizure at Customs.
Pricing
One of the biggest negative aspects of autoflower seeds is their cost. We took that factor into account as we rounded up today’s best autoflower seeds, with a focus on the seeds that offer the most yield and THC content for your buck. Our top pick was GG #4 autoflower seeds, but we’ve also ranked eight other autoflower cannabis seeds that are a cut above the rest.
Best Banks for Autoflower Seeds
- Seed Supreme – Best seeds for powerful cannabis plants
- Homegrown Cannabis Co. – Best seeds for Sativa strains
- Royal Queen Seeds – Best seeds for Indica strains
Best Autoflower Cannabis Seeds
- GG #4 Autoflower [Seed Supreme] – Overall best autoflower seeds
- Bruce Banner Autoflower [Homegrown Cannabis Co.] – Hardiest autoflower seeds
- Fat Banana Auto [Royal Queen Seeds] – Best strain for flavor
- Lemon OG Haze [Seedsman] – Best autoflower for indoor growers
- White Widow [ILGM] – Best for stimulating creativity
- Auto Skywalker Kush [DNA Genetics] – Great bud production
- Gorilla Cookies [Herbies Seeds] – Great for high THC content
- Purple Kush [Crop King Seeds] – Best autoflower seed genetics
- Jack Herer [ILGM] – Best for medical cannabis needs
Ready to change your cannabis consumption game? Grab one of 2025’s best autoflower seeds and start producing blooms in just a few weeks.
1. GG #4 Autoflower – Overall Best Autoflower Seeds
Potency: Contains up to 25% THC
Effects: Can induce euphoria and relief for pain, anxiety, or stress
Growing Needs: Grows indoors or outdoors; users praise it as a beginner-friendly seed
Price: $55/four seeds
This potent autoflower seed — known in full as Gorilla Glue #4 –— is a bestseller for trusted seed bank Seed Supreme. While the price is a little high, users report an equally high success rate germinating these seeds, which they say are ultra simple to grow.
GG #4 should start producing flowers in just eight to 10 weeks, and when it does, be ready for a powerful product. These seeds are perfect for both recreational and medical cannabis users, who should get a potent high that distracts from pain and sends them to a soothing headspace.
If you’re ready to start cultivating your own cannabis, we recommend GG #4 as the best autoflower seed on the market, thanks to its high THC content, powerful effects, and beginner-friendly cultivation needs.
2. Bruce Banner Autoflower – Hardiest Autoflower Seeds
Potency: 20-30% THC
Effects: Foster mental and mood stimulation, energy, and focus
Growing Needs: Users praise this easy, resilient grow
Price: $49/four seeds
Like its name suggests, this flower packs a punch. While experienced smokers will enjoy the final product most, the Bruce Banner seed offers a novice-friendly growing experience that produces flowers in about nine or 10 weeks. Customers love that this tough plant is fun and easy to grow.
And Bruce Banner isn’t just an enjoyable grow — it’s a great smoke, too. These seeds create a great yield of aromatic buds that, when you finally use them, offer a punch of energy and creativity that eventually mellows into some deep relaxation.
Ultimately, Bruce Banner is the best autoflower seed for a hardy, productive plant that creates some powerful flowers.
3. Fat Banana Auto – Best Strain for Flavor
Potency: 22% THC
Effects: Full body high with heightened relaxation and creativity
Growing Needs: Grows quickly indoors or outdoors
Price: $26.55/three seeds
Users report that this Indica-dominant strain from Royal Queen Seeds is not only easy to grow but produces some exceptional buds, too. As the name suggests, Fat Banana has sweet terpenes and a tropical, fruity smell that truly invokes banana’s flavor.
These seeds are ready for harvest within nine or 10 weeks and produce fat, plentiful buds, making Fat Banana one of our more cost-effective and convenient autoseed picks. When you’re ready to smoke, Fat Banana delivers a body high that boosts creativity and helps banish stress and pain.
With a delicious flavor and aroma profile at an outstanding price, Fat Banana Auto is the best autoflower seed for cannabis users who are ready to enjoy the smell and taste of their product.
4. Lemon OG Haze – Best Autoflower Seeds for Indoor Growers
Potency: Up to 20% THC
Effects: Mild body high, relaxation
Growing Needs: Grows best inside
Price: $33.28/5 seeds
These reliable seeds from Seedsman are an easy grow for any product enthusiast. From there, users praise this Sativa-dominant strain’s quick, reliable germination, which can get you from seed to harvest in eight to 10 weeks.
The end product has a citrusy, slightly piney aroma and taste that delivers an uplifting high. Users are likely to experience both clarity and relaxation after smoking Lemon OG Haze, which also comes at a reasonable price point.
For a quick, reliable indoor autoflower grow, Lemon OG Haze seeds are your best bet.
5. White Widow – Best Autoflower Seed for Stimulating Creativity
Potency: 19% THC
Effects: Stimulating yet soothing high
Growing Needs: Grows well inside or outside
Price: $89/5 seeds
White Widow autoflower seeds have been beloved among growers since the 90s, making them a reliable pick for your next grow. The hybrid strain takes just eight weeks to flower and will produce an excellent yield inside or outside.
This variety delivers just the right amount of mental stimulation, meaning smokers will feel soothed and relaxed — but will be alert enough to tackle fun or creative pursuits.
White Widow’s stimulating high and exceptional pedigree mean this autoflower seed is a classic for a reason.
6. Auto Skywalker Kush – Strong Bud Production
Potency: Up to 23% THC
Effects: Body high heavy on relaxation
Growing Needs: Grows well inside and outside
Price: $80.12/5 seeds
These Skywalker Kush autoflower seeds will send you to a galaxy far, far away. With just eight to nine weeks from germination to flower, these seeds offer a quick, low-maintenance grow that yields some big results.
Users will harvest juicy buds oozing with a citrus-and-spice aroma and an herby, fruity flavor. The Indica-dominant flower will give you a body high heavy on relaxation, sedation, and euphoria, a combo perfect for relieving pain, anxiety, and insomnia.
Skywalker Kush are the best autoflower seeds for producing standout buds that deliver a powerfully relaxing effect.
7. Gorilla Cookies – High THC Content Strain
Potency: Up to 28.5%
Effects: Body and brain high, extreme relaxation and euphoria
Growing Needs: Grows inside and outside; resilient
Price: $67.51/5 seeds
If you want a cannabis plant that combines incredible flavor with intense potency, look no further than Gorilla Cookies. These seeds produce compact, hardy plants with a surprisingly high yield, strong germination rate, and fragrant, delicious buds.
Ultimately, these plants are most notable for their extremely high THC content, meaning we can’t recommend Gorilla Cookie for new cannabis users. But if you’re up to the challenge, this strain makes for a euphoric, giggly, and relaxed late-night high.
Incredible potency, flavor, and effect make Gorilla Cookies the best autoflower seeds for cannabis users seeking high THC content.
8. Purple Kush – Best Autoflower Genetics
Potency: Up to 20% THC
Effects: Extremely relaxing, peaceful high
Growing Needs: Not for novice growers; sensitive to temperature and humidity
Price: $65/5 seeds
Purple Kush’s premium genetics make for a potent, relaxing high. These autoflower seeds should flower within seven to 10 weeks, producing thick purple buds.
Purple Kush is beginner-friendly in terms of THC content, but the growing and smoking process makes this strain ideal for seasoned users. The acidic strain may make you cough when you start smoking, but it will deliver a sweet, fruity aftertaste and a deeply relaxing high ideal for insomnia sufferers or late-night tokers.
While the plant is highly mold- and disease-resistant, it is sensitive to environmental changes, making it best for experienced growers.
A carefully cultivated genetic makeup makes Purple Kush autoflower seeds the best pick for a high-quality, high-impact cannabis experience.
9. Jack Herer – Best for Medical Cannabis Needs
Potency: Up to 20% THC
Effects: Euphoric, happy high
Growing Needs: Easy growing experience; disease-resistant plants
Price: $89/5 seeds
Originally created as a medical strain, Jack Herer is now enjoyed by all types of cannabis users. With respected genetics and an easy growing process, Jack Herer seeds should yield a harvest in just 10 to 14 weeks.
Once these buds are ready, they offer spicy, piney aromas, citrusy aftertastes, and a significant boost for mood, energy, and creativity. While this medical strain can fight pain and chronic nausea, it also delivers a goofy, enjoyable high for rec users.
Overall, Jack Herer is the best autoflower seed for any user with medical symptoms that cannabis use can alleviate.
Best Autoflower Seeds and Sellers – FAQs
What’s the Difference Between Autoflower Seeds and Regular Seeds?
Regular cannabis seeds rely on specific light exposure and cycles to thrive, while autoflower seeds flower without a regulated light cycle.
What Benefits Do Autoflower Seeds Offer?
The top benefits of growing autoflower cannabis seeds include the plants’ speedy growth, flowering and harvesting timeline, disease resistance, and low-maintenance demands.
How Long Do Autoflower Seeds Take to Bloom?
Autoflower seeds will usually flower within eight to 10 weeks and are ready for harvest shortly after that.
Which Autoflower Seed Has the Highest Yield?
Seed City’s Green Crack strain is the highest-yield autoflower cannabis seed we’ve seen — it can yield up to 650 g/m2.
Which Seed Bank Should I Use for Autoflower Seeds?
While ILGM sells some of the most respected autoflower seeds — including strains like White Widow or Jack Herer — Seedsman offers the most autoflower strains at more than 1,000 varieties.
Final Thoughts on Today’s Best Autoflowering Cannabis Seeds
For an overall exceptional cannabis cultivation experience, we recommend Seed Supreme’s GG #4 autoflower, a high-THC strain that offers an easy growing process for beginners. Still, any of the nine autoflower seed varieties we’ve explored today are worth trying.
Before you indulge, be sure to check your local laws and regulations on cultivating and consuming cannabis. Happy growing!
Disclaimer: This article does not encourage growing marijuana where it is not legal to do so.