The Top 5 Fastest Growing Autoflower Strains

27 January 2023
Need seeds that give you buds fast? We've got you covered with our list of the fastest growing autoflowering marijuana strains.
27 January 2023
11 min read
The Top 5 Fastest Growing Autoflower Strains

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  • 1. Mimosa cake auto
  • 2. Kosher cake 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. Mimosa Cake Auto


Mimosa Cake Auto
4 out of 5
When I grow autoflowers I prefer to harvest them after about 70 days but this one took 12 weeks. Otherwise I enjoyed growing it.
Verified customer
Reviewed 31 July 2022

One of the best Sativa-dominant strains on our list, Mimosa Cake 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. Mimosa Cake usually hits full maturity around week eight or nine, offering up a lemony and floral bouquet of buds coated in resin.


The top 5 fastest autos: mimosa cake auto

Mimosa Cake Auto.

When grown under the right conditions, this plant will boast beautiful purple colors on the buds and surrounding foliage, and thanks to the 24% THC, produce large-sized buds with lots and lots of resin, perfect for extractors and hash makers.

2. Kosher Cake Auto

Kosher Cake Auto
5 out of 5
It does what it says on the tin ,after slow start this plant just took over ,very nice aroma and perfect smoke just ideal for wake&bake
Sunshinegroww .
Verified customer
Reviewed 10 September 2021

One of Fast Buds' latest releases with a delicious lemony cake taste, Kosher Cake. With THC levels reaching 25% 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: kosher cake auto

Kosher Cake 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 or nine and is perfect for when you're looking for something different and with a unique terpene profile.

3. Gorilla Punch Auto

LSD25 Auto
4 out of 5
I think my mistake was to decide not to train her. She was basically one fat cola and very short side branches with small buds.
Verified customer
Reviewed 21 October 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

Blackberry Auto
5 out of 5
This is an amazing plant. Grew into a monster, extremely colourful and pungent. Feel free to check out the whole grow on over at Grow Diaries.
Verified customer
Reviewed 9 November

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


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!