Original Amnesia Haze Auto is for growers who want the real Haze experience without waiting through a long photoperiod bloom. Fast Buds took an elite Amnesia Haze cut and crossed it with FB Auto #1, then refined the line to a stable F4 feminized autoflower with vigor, size, and resin as the main goals.
This strain belongs to Fast Buds’ Originals line of autoflowering classics, and it is one of the biggest plants in it. Fast Buds rates it XXL, with a height of 90-150 cm (35-59 in). It needs no light switch: keep it on 18/6 or 20/4 and it is ready in about 10 weeks (roughly 70 days) from seed.
Size brings serious production. Fast Buds lists 400-650 g/m² (1.3-2.1 oz/ft²) indoors and 70-300 g (3-11 oz) per plant outdoors, with the largest returns coming from outdoor plants in warm, sunny weather.
Plan for Height and Heat
This is a true sativa-leaning auto. Internodes are open, branches are long, and the plant keeps stretching well into bloom. Fast Buds suggests it for growers with some experience and plenty of headroom. Indoors, start LST early and keep your lights adjustable. Outdoors, it really takes off in hot climates.
Unlike many airy old-school Hazes, the buds here pack together firmly. Hard calyxes stack along each branch under bright orange pistils and a thick layer of trichomes, so the harvest feels solid in the hand and trims easily.
Give it a final container from the start, at least 15-20 liters (4-5 gallons) indoors, since autos dislike transplant stress. A roomy pot lets the roots keep pace with the long stretch.
Classic Haze Flavor and a Sharp Head High
The aroma is sharp and unmistakably Haze: fresh lemon zest over herbal notes and a spicy pepper finish, with a floral side that opens up as the buds cure. Fast Buds notes that the resin keeps that citrus character in extracts as well.
Customer feedback puts energy and creativity at the top of the list, followed by a calm, easygoing mood. With up to 22% THC, it is a lively, cerebral strain that suits daytime projects, long walks, and creative sessions more than winding down.
Original Amnesia Haze Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Amnesia Haze Cut x FB Auto #1 (F4 Feminized Autoflower) |
| Indica/Sativa | 70% Sativa / 30% Indica |
| THC | Up to 22% |
| CBD | < 1% |
| Effect | Energetic, creative, clear, mildly relaxed |
| Flavor | Lemon zest, herbs, pepper, floral |
| Indoor yield | 400-650 g/m² (1.3-2.1 oz/ft²) |
| Outdoor yield | 70-300 g/plant (3-11 oz/plant) |
| Seed to harvest | 10 weeks (light schedule 18/6 or 20/4, no switch needed) |
| Height | 90-150 cm (35-59 in), size class XXL |
| Climate | Indoor, outdoor, greenhouse; thrives outdoors in hot climates |
| Best cultivation technique | Early LST, SCROG, large containers outdoors |
FAQ
How tall does Original Amnesia Haze Auto grow?
It is one of the tallest autos in Fast Buds’ range, rated XXL at 90-150 cm (35-59 in). Make sure your tent or garden has enough vertical space.
How long is the cycle from seed to harvest?
About 10 weeks, or roughly 70 days. As an autoflower it can stay under 18/6 or 20/4 the whole time.
What yields can I expect from Original Amnesia Haze Auto?
Fast Buds lists 400-650 g/m² (1.3-2.1 oz/ft²) indoors and 70-300 g (3-11 oz) per plant outdoors.
Is Original Amnesia Haze Auto good for beginners?
It is easy to keep healthy, but Fast Buds recommends it mainly for growers with some experience and plenty of space because of its height and vigorous stretch.
Where does Original Amnesia Haze Auto perform well?
Fast Buds especially recommends it for outdoor growers in hot climates, where it reaches its full size and yield. Indoors it rewards growers who have room for big plants.
What are the genetics?
An elite Amnesia Haze cut crossed with FB Auto #1, stabilized as an F4 feminized autoflower. It is 70% sativa and 30% indica.
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