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Purple Haze Auto™ seed pack
AutoflowerTHC 23%Sativa 55%/Indica 45%

Purple Haze Auto™

Cherry-lemon potency ready in just 8 weeks

$15.00 – $1799.009 pack sizes — choose at Fast Buds

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15% off with code HGAPP · US store with fast domestic shipping · Discreet packaging

Rated 5/5 by 38 verified Fast Buds customers

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Our take

Purple Haze Auto brings together Purple Lemonade Auto F6 and Amnesia Haze Auto F5 to produce a sativa-leaning hybrid with up to 23% THC and a bright cherry-lemon flavor that finishes sour-sweet. The 8-week seed-to-harvest cycle suits beginners who want strong results without managing a light schedule, and experienced growers who value a fast, reliable turnaround.

Completes the full seed-to-harvest cycle in 8 weeks — no light-schedule changes required at any stage
Yields 1.3–1.8 oz/ft² indoors or 2–5 oz per plant outdoors, from a plant that stays between 24 and 39 inches tall
Grows well indoors, outdoors, in a greenhouse, or under mixed light — flexible enough for most home setups

Grow specs

GenotypeSativa 55%/Indica 45%
THC23%
Taste & aromaCherry, Lemon, Sour, Sweet
CBD< 1%
ClimateIndoor/Outdoor/Greenhouse/Mixlight
Total cycle (auto)8 weeks
Yield (indoor)1.3 – 1.8 oz/ft2
Yield (outdoor)2 – 5 oz/plant
Size classL
Plant height24 – 39 inches
LineagePurple Lemonade Auto F6 x Amnesia Haze Auto F5

Specs are Fast Buds's published figures for this product; catalog and pricing last verified August 2026. Our write-up is our own — see how we make money.

Growing notes

Purple Haze Auto is an approachable grow for beginners and a quick-cycling option for those with more experience. It fits comfortably in tents or small spaces, reaching 24–39 inches at harvest. The plant handles a range of environments — indoor, outdoor, greenhouse, or mixlight. Plan for an 8-week total cycle from seed, with no need to adjust your lighting to trigger flowering.

New to growing? Start with the complete guide, plan your gear with tent setups, and diagnose problems with troubleshoot.

Want variety instead?

Mix packs bundle three proven strains (30 seeds) at up to 50% off buying separately — the best value in the catalog.

Browse mix packs

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