The Top 5 Fastest Growing Autoflower Strains

07 March 2024
Need seeds that give you buds fast? We've got you covered with our list of the fastest growing autoflowering marijuana strains.
07 March 2024
12 min read
The Top 5 Fastest Growing Autoflower Strains

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  • 1. Guava auto
  • 2. Lemon cherry cookies auto
  • 3. Gorilla punch auto
  • 4. Tropicana cookies auto
  • 5. Banana purple punch auto
  • 6. In conclusion

One of the largest reasons growers choose autoflowers is how fast they can mature from seed to chop. Autoflower seeds like Fast Buds' are ready in 8-10 weeks, meaning you can harvest twice or even three times in the time it would take you to grow a photoperiodic plant.

Below, we break down the fastest growing autoflower strains from Fast Buds. If speed is what you're after, you'll find it here. Don't forget to check out our guide detailing when is the best time to harvest autoflowering cannabis.

1. Guava Auto



One of the best hybrid autoflowering strains on our list, Guava Auto kicks like a mule and is perfect for an active day out in the sun. It's a sizeable yielder as well, being one of the most popular strains in California at the moment and amongst our highest-yielding strains. Guava Auto usually hits full maturity around week eight or nine, offering up a mouth-watering mix of fruity and doughy terpenes that coats the plants from head to toe, rewarding you with a bouquet of buds coated in resin.


The top 5 fastest autos: guava auto

Guava Auto.

When grown under the right conditions, this plant will boast beautiful purple spots on the buds and surrounding foliage, and thanks to the 28% THC, produce large-sized buds with lots and lots of resin, perfect for extractors and hash makers.

“Sweet! Fruity, creamy, berry, and sweet again! this way you can characterize the aroma and the taste of this beautiful variety. This is the perfect combination of Indica and  Sativa. very reminiscent of the effect of one of my favorite varieties from FastBuds Gorilla Cookies. also perfectly balanced and powerful. will definitely break through any type of tolerance. no matter how heavy of a smoker you are, this girl will make you nod your head with a smirk and say a long and slow yeaaa bro this is really cool! after the first heavy hit and the desire to sit down, comes feelings of euphoria and sativa action. I'm not afraid to call this variety Ideal! and she really is! PERFECT!!!”

2. Lemon Cherry Cookies Auto

Lemon Cherry Cookies Auto
5 out of 5
beautiful color, solid flowers and incredible smell. Curing it and it looks super nice. Easy to grow, was very happy with everything.
Verified customer
Reviewed 15 February

One of Fast Buds' latest releases with a delicious lemony and sweet, fruity taste, Lemon Cherry Cookies Auto. With THC levels reaching 28.5% and CBD levels lower than 1%, this one-of-a-kind strain offers an experience like no other. The high THC levels provide a giddy euphoria and unreal relaxation without a couch-lock effect for those who don’t want to experience a narcotic type of effect. 


The top 5 fastest autos: lemon cherry cookies auto

Lemon Cherry Cookies Auto.

This strain's short growing time pairs well with its tall yet compact build, making it perfect for indoor growers. This unique variety matures around week eight and is perfect for when you're looking for something different and with a unique terpene profile.


“This strain was an absolute joy to grow. Super easy and took a lot of beating from my part.l during the grow. Once into flower it's amazing how fast they'll start swelling. Its like the turbo chargers kicked in as you should see daily growth. The colors of the flowers are a deep deep purple that are covered in frost and red hairs, so it makes them look picture perfect. “


3. Gorilla Punch Auto

Gorilla Punch Auto
5 out of 5
It’s compatible with any leisure or household chores so I smoke it from the moment I wake up and till late at night on weekends.
Verified customer
Reviewed 9 September 2022

The crown jewel of the Fast Buds' purple strains. Gorilla Punch Auto’s award-winning purple flowers have to be seen to be believed. This dense slightly Indica-dominant autoflowering strain expresses a royal violet color that blows us away every time. Its spicy, woody, and peppery odor comes from a complex variety of terpenes that give this Indica strain a nicely balanced hybrid effect.


The top 5 fastest autos: gorilla punch

Gorilla Punch Auto.

Gorilla Punch Auto reaches full maturity in eight to nine weeks and will blow away your smoking buddies not just with its effects, but its beautiful color as well. Thanks to its top-of-the-line genetics, the effect will take you to the moon and leave you there, this strain offers a powerful head and body high that may overwhelm new consumers so make sure you take it easy!

4. Tropicana Cookies Auto

Tropicana Cookies Auto
5 out of 5
So dank sticky and fruity smell full of tricoms and smooth smoke I love the terps...I recommend this strain it was really easy to grow.
Verified customer
Reviewed 5 October 2023

Simply called Tropicana Cookies Auto, Fast Buds autoflower version of the world-renowned Tropicana Cookies strain grows large purple buds so dark they almost appear black. Its hybrid effects offer a brief window of focus, followed by mellow relaxation. This autoflowering variety typically reaches full maturity in eight to nine weeks and is one of our fastest autoflowering strains regarding grow times.


The top 5 fastest autos: tropicana cookies auto

Tropicana Cookies Auto.

You can expect beautiful colors and even better aromas, this strain will surely leave your mouth watering due to the delicious mix of citrus and sweet terpenes with a strong sandalwood background that comes hand-in-hand with a strong hybrid effect that starts in the head and gradually moves down your whole body, making it the perfect all day variety.

5. Banana Purple Punch Auto

Banana Purple Punch Auto
5 out of 5
It relaxes both the body and mind and lets you do anything - working, driving if you need to. you just feel perfectly calm and focused.
Verified customer
Reviewed 10 September 2022

We mentioned that our strains typically mature in 8 to 10 weeks, but Banana Purple Punch Auto is anything but typical. It's quite rare to encounter a seed from this seed that takes more than eight, and we've even seen a few talented growers chop this strain down in the seventh week. Banana Purple Punch Auto is perfect for beginners who want to learn quickly, and experienced growers who want to push a strain to its limit. Its short height also makes it ideal for stealth or indoor cultivators.


The top 5 fastest autos: banana purple punch auto

Banana Purple Punch Auto.

This is Fast Buds's autoflower take on more modern Cali strains. In addition to its ultra-fast grow time, Banana Purple Punch Auto feels, tastes, and smells like top shelf quality. If you want a classic, time-tested strain to put you to sleep at night, you won't want to pass up growing this marvelous variety that produces gorgeous purple buds.

6. In Conclusion

If you are looking for a quick grow cycle without affecting the quality and quantity of the harvest, look no more! These are the fastest strains that take no more than 9 weeks, allowing you to grow top-quality buds in less than 65 days!

Keep in mind that you can grow autoflowers with a longer cycle in smaller pots, this way you end up with shorter plants that finish faster, allowing you to try lots of differents colors, aromas, and flavors. If you’ve grown any of these strains before and have some tips and tricks, feel free to help fellow growers, leave a comment in the comment section below!