How to Grow Green Poison Autoflower F1
Green Poison Autoflower F1 is a fast, balanced autoflower built from first-generation (F1) hybrid genetics for extra vigour and uniformity. It pairs a smooth 15–20% THC with a cheese, skunk, earthy, fruity and sweet flavour and an energetic, euphoric, happy, relaxed effect, on a compact plant that finishes in 8–10 weeks.
As an F1 autoflower of the legendary Green Poison line, this is a true 50/50 indica-sativa hybrid. Being an F1 means it comes from a fresh, stable cross, which gives it strong hybrid vigour, even growth from plant to plant and that quick, reliable autoflowering cycle.
Recommended Strains
Green Poison Auto F1
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THC | 15% - 20% (Medium) |
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Type | Autoflowering F1 |
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Yield | High |
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Phenotype | 50% Indica / 50% Sativa |
Budmint
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THC | 17% - 22% (Medium) |
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Type | Feminized |
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Yield | Medium |
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Phenotype | 60% Indica / 40% Sativa |
Because it is fast, forgiving and productive, Green Poison Autoflower F1 is an easy, rewarding grow. You can see the full genetics and buy Green Poison Auto F1 seeds on the strain page, and browse more of our F1 autoflower range alongside it.
Strain Profile at a Glance
| THC | 15–20% (medium) |
|---|---|
| Lineage | Green Poison Auto F1 |
| Type | Autoflowering F1 |
| Genetics | 50% Indica / 50% Sativa |
| Climate | Temperate |
| Life cycle | 8–10 weeks (seed to harvest) |
| Harvest | All season |
| Height | 3.94 ft / 1.2 m |
| Yield | High |
| Yield indoor | 1.47–1.64 oz/ft² (450–500 g/m²) |
| Yield outdoor | 4.23–7.05 oz/plant (120–200 g/plant) |
| Grow difficulty | Beginner-friendly |
| Flavors | Cheese, Earthy, Fruity, Skunk, Sweet |
| Effects | Energetic, Euphoric, Happy, Relaxed |
Promos & Deals
What “F1 Autoflower” Means
F1 stands for first filial generation, the first cross between two stable parent lines. F1 plants tend to show hybrid vigour: fast, strong, even growth and good resilience, with little variation from one plant to the next. For a grower, that means a predictable, uniform crop, which is exactly what you want from an autoflower you plan to run on a tight schedule.
Paired with the autoflowering trait, this makes Green Poison Autoflower F1 both quick and dependable, a modern, improved take on a classic strain.
Climate and Where to Grow It
Green Poison Autoflower F1 suits a temperate climate with mild, steady conditions and good light. It is a hardy, adaptable plant that performs both outdoors and in a controlled indoor tent, and its compact size makes it easy to manage.
As an autoflower it does not wait for shortening days to bloom, so you can start it almost any time in the warmer part of the year, and run more than one crop in a season. It stays short at around 1.2 m, and brings in a solid 450–500 g/m² indoors with a lighter 120–200 g per plant outdoors. Keep humidity in check as the resinous buds fill in.
Indoors, keep daytime temperatures around 68–80°F (20–27°C) and keep steady airflow through the canopy. Its small stature makes it a great fit for a compact tent.
Autoflower Growing Basics
With any autoflower, the key rule is that you do not switch the light schedule to trigger flowering. Green Poison Autoflower F1 begins to flower by itself at around 3 weeks of age, so run a long day of 18–20 hours of light from seedling right through to harvest.
Start the seed directly in its final pot. Autos run on a fixed internal clock and dislike transplanting, and with a cycle this short there is little time to recover from a mid-run move. Keep training gentle: favour light low-stress training over topping, bending branches to open the canopy rather than cutting into the plant.
Feeding Schedule (EC Guide)
Autoflowers are light feeders, so start low and build up only as the plant asks. The EC values below track the short life-cycle stages rather than a separate veg-and-bloom switch.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4–0.6 | Very light feed, focus on healthy root growth |
| Vegetative growth | 0.8–1.2 | Early weeks, raise nitrogen gently |
| Early flower | 1.2–1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4–1.6 | Peak bloom feed while the buds swell |
| Flush | 0.0–0.4 | Plain water for the final 1–2 weeks |
Life Cycle and Harvest
The full life cycle runs about 8–10 weeks from seed to harvest, which is fast and predictable, and the F1 genetics keep plants nicely uniform through it. As an auto you harvest when the plant is ready rather than on a fixed date, so let the trichomes guide you rather than counting from a light change.
Expect vegetative growth in the first weeks, the automatic switch to flower around week 3, and quick, even bud formation through to the finish. The balanced hybrid structure gives it resinous, cheesy-skunky flowers. Harvest when most trichomes are cloudy with a few amber for the fullest expression, and give the plant a short plain-water flush before cutting.
Drying and Curing
Dry whole plants or branches in a dark room at around 60°F (15–18°C) and 55–60% humidity for 7–14 days, until the thin stems snap rather than bend. A slow, even dry stops the inside staying damp while the outside dries, which protects the pungent cheese-skunk aroma.
Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure brings the cheesy, skunky, sweet-fruity character forward and smooths the smoke, which is exactly what this Green Poison cross deserves.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Green Poison Autoflower F1 is a frosty, resinous plant, so the trim works well for dry sift, bubble hash or rosin, giving you a bonus run of concentrate from material most growers simply throw away.
Flavor and Terpenes
Green Poison Autoflower F1 tastes of cheese and skunk over an earthy base, with sweet, fruity notes lifting it, a pungent, moreish profile rather than a citrus-forward one. It is a classic funky flavour with a sweeter edge.
Four terpenes shape it. Caryophyllene drives the peppery, cheesy-skunky funk; myrcene anchors an earthy, musky, subtly fruity-sweet base; humulene adds a woody, earthy depth; and alpha-pinene brings a clean, fresh pine edge. Together they give a pungent, cheesy-skunk flavour with a soft, sweet-fruity lift.
Effects and Best Use
As a true 50/50 hybrid, Green Poison Autoflower F1 is reported as energetic, euphoric, happy and relaxed. It is a well-balanced profile with a bright, upbeat head and a gentle body ease, which makes it versatile for daytime or sociable use.
With its medium 15–20% THC it stays approachable rather than overwhelming, so it is easy to enjoy. That balanced effect, the fast F1 autoflower cycle and the pungent cheese-skunk flavour make it a satisfying, reliable grow for just about anyone.
Common Problems and Pro Tips
Green Poison Autoflower F1 is a vigorous, uniform grow, but it is a compact, skunky auto, so plan for the training and the smell.
- Train gently, not hard: as an autoflower it will not recover from heavy topping, so use low-stress bending while young and start it in its final pot.
- Plan for the smell: its cheese and skunk aroma gets pungent in flower, so run a carbon filter if you need to keep the grow discreet.
- Make the most of the F1 vigour: it grows fast, strong and even, so keep the canopy open and the feeding steady so every uniform plant fills out.
Expert tip: it stays compact at around 1.2 m, so an open canopy and good light get the most from it. Dry slowly and cure in jars so the cheese, skunk and sweet-fruit notes hold up.
Frequently Asked Questions
What does F1 autoflower mean?
F1 means first filial generation, the first cross of two stable parent lines. It gives hybrid vigour: fast, strong, uniform plants, combined here with the autoflowering trait. In practice that means a crop that grows evenly and reliably, which is part of what makes this one approachable for newer growers.
Is Green Poison Autoflower F1 indica or sativa?
It is a balanced 50/50 hybrid, which gives it an energetic, happy head alongside a gentle, relaxing body side. That balance shows in the plant too, which grows a compact, even structure, so a light low-stress training round keeps the canopy level and the lower buds well lit as it flowers.
How long is the life cycle?
About 8 to 10 weeks from seed to harvest. It flowers on age rather than on a light change, so the clock does not stop for mistakes, and it can be run all season. Plan your feed and training around that short, fixed window to get the most from this quick auto.
Do I need to change the light cycle?
No. Keep it on a long day of 18 to 20 hours of light from seedling to harvest. It starts flowering on its own at around three weeks, so there is no 12/12 flip to time. A steady, generous light schedule gives this compact F1 auto the energy to fill out evenly.
What does Green Poison Autoflower F1 taste like?
Expect a pungent cheese and skunk flavour over an earthy base, with sweet, fruity notes. That profile comes from its caryophyllene, myrcene, humulene and alpha-pinene terpenes. The aroma is loud in flower, so run a carbon filter for discretion, and cure slowly to keep that cheese-and-fruit character clean.
How much does it yield?
It is a strong producer: 1.47 to 1.64 oz/ft² (450 to 500 g/m²) indoors, and 4.23 to 7.05 oz (120 to 200 g) per plant outdoors in a good season. Good light and an open canopy help this compact F1 auto make the most of its short, uniform life cycle.
