From the lab panel — 18-25% THC, <1% CBD. From grower reports — 400-550g/m² yield, earthy/sweet dominant in cured flower. easy grow.

Seedsman lists this at $31.50 — above the median of $29.57 across 6 listings. Pack options: 3-seed at $31.50, 5-seed at $49.50, plus larger sizes.

The lab panel on this Seedsman autoflower sits at 18–25% THC, which is a wider range than most brands admit — honest, and worth noting if you're dialing in dose-sensitive harvests. Green Poison XL Auto runs seed-to-harvest in 9–11 weeks total, so you're looking at roughly two full outdoor cycles in a single warm season. Yields land between 400–550g/m² under decent light, respectable for a strain that asks very little in return.

The profile skews earthy with a sweet edge — not loud, but clean and consistent across phenotypes. Because it's rated easy and performs in both indoor and outdoor environments, it fits growers who are still tightening their techniques without wanting to sacrifice weight. No fussy light schedules, no complicated feeding windows to chase.

Best suited for newer growers who want a forgiving plant that still puts up real numbers at harvest.

Genetics & Lineage

Green Poison XL Auto Feminised traces its genetics to Green Poison XL Auto Feminised (Seedsman genetics). This hybrid-dominant autoflower seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Seedsman, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily euphoric and relaxed effects, making this strain ideal for evening use and unwinding after a long day. The body-centered stone builds gradually, easing tension and promoting deep physical relaxation. With THC levels reaching 25%, this is a potent strain recommended for experienced users — newcomers should start low and go slow.

THC Level & Potency

Green Poison XL Auto Feminised delivers THC levels of 18-25%, placing it in the high-potency category alongside powerhouses like Gorilla Glue and Girl Scout Cookies. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within minutes with a balanced head-and-body experience that evolves over time.

Growing Green Poison XL Auto Feminised

Green Poison XL Auto Feminised is rated as easy difficulty, making it an excellent choice for first-time growers. The plants are resilient, forgiving of common mistakes like overwatering or inconsistent feeding schedules.

Indoor Growing: Expect a flowering time of 9-11 weeks total with yields of 400-550g/m². Plants typically reach 60-120cm indoors. This strain responds exceptionally well to SCROG (Screen of Green) and LST (Low Stress Training), which can boost yields significantly. Maintain temperatures between 68-80°F with relative humidity around 45-55% during flowering.

Outdoor Growing: This versatile strain performs well in both indoor and outdoor environments. Outdoor growers in warm climates can expect harvest from late September through October. Watch for humidity during late flowering to prevent bud rot, especially with the dense, heavy buds this strain produces.

Flavor, Aroma & Terpene Profile

Green Poison XL Auto Feminised features a earthy, sweet terpene profile that develops complexity throughout the flowering cycle. A smooth, candy-like sweetness defines the flavor, with subtle complexity on the exhale. The aroma intensifies significantly during the final 2-3 weeks of flowering — carbon filtration is recommended for indoor grows requiring discretion.

Medical Benefits

While individual experiences vary, Green Poison XL Auto Feminised is commonly reported to help with stress relief, chronic pain, insomnia, and muscle tension. The deeply relaxing effects make it a popular choice among medical users seeking nighttime relief. As with any cannabis strain, start with a low dose and increase gradually. Consult a healthcare professional before using cannabis for medical purposes.

Who Should Grow Green Poison XL Auto Feminised?

This strain is ideal for beginner growers looking for a reliable, low-maintenance plant that delivers consistent results without advanced techniques. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Green Poison XL Auto Feminised from Seennabis?

When you purchase Green Poison XL Auto Feminised through Seennabis, you are buying directly from Seedsman — One of the world's largest cannabis seed catalogs, carrying 4,000+ strains from 100+ breeders since 2003. Every order includes verified genetics, discreet shipping, and responsive seller support. Seedsman has completed over 185 sales.