Green PoisonStrain, Effects, Genetics, Grow Guide & Where to Buy
Green Poison earned its place in the modern cannabis canon for a reason , and the appeal is easy to explain. It is a indica-dominant (80% indica / 20% sativa) testing at roughly 15% THC, with a flowering window of 8 weeks from germination as an autoflower. Below we walk through what to expect from the high, how the plant grows in a tent or outdoor garden, the parental genetics behind the cultivar, and how to get Green Poison seeds delivered anywhere in the US.
Green Poison Quick Stats
THC
15%
Indica
80%
Sativa
20%
Autoflower
Yes
Flowering
8 weeks from germination
Difficulty
intermediate
Indoor Yield
400-550 g/m2
Outdoor Yield
35-200 g/plant
Plant Height
60-100 cm
Green PoisonEffects & Experience
The dominant effects of Green Poison are euphoric, creative, and the experience is more nuanced than a simple high/low/sedating label would suggest. Onset is gradual rather than abrupt, the peak holds for roughly an hour, and the comedown is smooth, which is why this strain shows up in so many "daily driver" lists from experienced consumers.
Growing Green Poison
Growing Green Poison fits guerrilla growers and balcony cultivators, since the plant ignores light cycle and finishes before fall rains arrive. Green Poison runs on an 18/6 light schedule from seed to harvest, autoflower genetics ignore photoperiod, so there is no flip and no light-cycle change. Indoor yields land around 400-550 g/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 35-200 g/plant. Expected plant height is 60-100 cm, with intermediate cultivation difficulty. Practical tips that move the needle: feed cal-mag from week 2 onward at 2-3 mL per gallon, most reverse-osmosis and soft tap water setups need it; and top once at the 4th node to encourage 4-6 even main colas instead of one dominant cola. The most common challenge growers report is training timing, top at the 4th node, not earlier and not later, for the best canopy distribution.
Green PoisonLineage & Genetics
This cultivar is part of the Royal King Seeds curated catalog. Read the description as a general profile rather than a guarantee of your specific pack.
Where to Buy Green Poison Seeds in the USA
Green Poison seeds ship from Royal King Seeds from within the United States. Estimated delivery is approximately 5-7 business days; actual timing varies by destination and carrier.
Green Poison FAQ
Is Green Poison indica or sativa?+
Green Poison is a indica-dominant with a 80% indica / 20% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Green Poison take to flower?+
Green Poison flowers in 8 weeks from germination from seed, since autoflower genetics ignore light cycle. Outdoor harvest typically lands 70-90 days after planting.
What is the THC content of Green Poison?+
Green Poison tests at approximately 15% THC when grown to its potential. Real-world numbers depend on grow conditions, harvest timing, and curing, well-grown phenotypes can land at the high end of that range, while poorly cured flower tests lower.
Is Green Poison good for beginner growers?+
Green Poison is rated intermediate difficulty. The autoflower genetics simplify the process, no light schedule changes and a fast seed-to-harvest timeline make it forgiving for first-time growers. Most growers with one harvest behind them handle this strain without difficulty.
Where can I buy Green Poison seeds in the USA?+
Royal King Seeds ships Green Poison seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/green-poison-auto.