42 Fast Buds – Blackberry Auto
Dark purple autoflower with berry depth
Deep purple in appearance. Fruity in profile. Indica-dominant in character.
The Blackberry Auto from 42 Fast Buds is a feminized autoflowering genetic known for its extraordinary coloring, its intense berry-Kush profile, and its compact, stable structure. With up to 23% THC (manufacturer claim), this strain is primarily aimed at lovers of indica-dominant lines who value dense, resin-rich buds and a relaxed overall effect.
This award-winning genetic won first place at the Oregon Autoflower Cup – a clear indication of its quality and selection.
What makes this strain special
Award-winning indica autoflower with a violet signature
Blackberry Auto combines striking visuals with reliable performance:
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1st place at the Oregon Autoflower Cup
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Feminized · Autoflower
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Intense berry-Kush terpene profile
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Dense, heavily resin-coated buds
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Compact growth up to approx. 110–120 cm
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Ready for harvest in approx. 9–10 weeks
A strain that leaves an impression visually as well as aromatically.
Character & Structure
The structure is clearly indica-dominant (75% Indica / 25% Sativa). The plant grows compactly and bushily with tight internodal spacing, which allows for efficient light utilization – especially indoors.
Typical features:
Its natural resilience makes it interesting for beginners and experienced growers alike.
Buds & Appearance
Blackberry Auto develops plump, round buds with an intense layer of resin. The color palette ranges from lush green to deep violet tones, which can extend to the tips of the leaves.
Shortly before harvest, the buds look almost as if they have been dipped in crystal sugar – dense, frosty, and visually extraordinary.
Aroma & Flavor
The profile is clearly fruit-forward with classic depth:
A multi-layered terpene profile that combines berry fruit with earthy warmth.
Grow tips
Blackberry Auto is considered easy to care for and robust:
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Optimal with approx. 18 hours of light per day
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Moderate nutrient intake is sufficient
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Light defoliation can improve light penetration
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Flushing recommended about two weeks before harvest
With an indoor yield of up to 600 g/m² (manufacturer claim) and up to 250 g per plant outdoors, it is one of the more productive indica autoflower strains.
Product details
Manufacturer: 42 Fast Buds
Genetics: Blackberry Auto
Type: Feminized · Autoflower
Sativa/Indica: 25% / 75%
THC: Up to 23%
CBD: < 1%
Flowering time: 9–10 weeks
Yield indoor (EU): 450–600 g/m²
Yield outdoor (EU): 50–250 g/plant
Height: 70–120 cm
Flavor: Berry, sweet, earthy
⚠️ Legal disclaimer
Cannabis seeds are sold exclusively as collectible and breeding material. Germination and cultivation only insofar as permitted by applicable law.