CorkscrewStrain, Effects, Genetics, Grow Guide & Where to Buy
Among the strains American growers consistently come back to, Corkscrew sits near the top of the list, but the data behind the hype is what holds growers' attention. It is a balanced hybrid (57% indica / 43% sativa) testing at roughly 19% THC, with a flowering window of 8–10 weeks under a 12/12 photoperiod. On this page we cover the effects, the lineage, the grow profile, and where to buy Corkscrew seeds in the United States.
Corkscrew Quick Stats
THC
19%
Indica
57%
Sativa
43%
Autoflower
No
Flowering
8–10 weeks
Difficulty
intermediate
Indoor Yield
150–250 g/m²
Outdoor Yield
250–450 g/plant
Plant Height
170–210 cm
CorkscrewEffects & Experience
Reported effects center on euphoric, creative, calm. Corkscrew pulls toward a balanced state where neither head nor body dominates, a profile that holds up across phenotypes when the seeds are grown to their potential.
Growing Corkscrew
Growing Corkscrew fits outdoor growers with at least 130 frost-free days; the balanced structure handles both heat and cool nights. Corkscrew is photoperiod, which means you control when it flowers by switching from 18/6 (vegetative) to 12/12 (flowering). Most indoor growers veg for 4-6 weeks before the flip. Indoor yields land around 150–250 g/m² under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 250–450 g/plant. Expected plant height is 170–210 cm, with intermediate cultivation difficulty. Practical tips that move the needle: flush nutrients in the final 10-14 days for cleaner flavor; trichomes finish properly even on plain pH-adjusted water; and defoliate strategically on day 21 of flower; remove fan leaves blocking interior bud sites without stripping the plant. The most common challenge growers report is calcium and magnesium supplementation under bright LED lighting; cal-mag at 2-3 mL/gal from week 2 prevents the most common deficiency.
CorkscrewLineage & Genetics
Corkscrew is offered in the Royal King Seeds catalog. Read the description on this page as a general profile rather than a guarantee of your specific pack; expect some phenotype variation between packs.
Where to Buy Corkscrew Seeds in the USA
Corkscrew 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.
Corkscrew FAQ
Is Corkscrew indica or sativa?+
Corkscrew is a balanced hybrid with a 57% indica / 43% sativa split. The effects lean balanced, neither dominantly head nor body.
How long does Corkscrew take to flower?+
Corkscrew flowers in 8–10 weeks once you flip to 12/12 light cycle. Outdoor harvest typically lands in late September to mid-October across most US zones.
What is the THC content of Corkscrew?+
Corkscrew tests at approximately 19% 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 Corkscrew good for beginner growers?+
Corkscrew is rated intermediate difficulty. Photoperiod genetics give you control over plant size and harvest timing, which means a bit more responsibility for getting the schedule right. Most growers with one harvest behind them handle this strain without difficulty.
Where can I buy Corkscrew seeds in the USA?+
Royal King Seeds ships Corkscrew seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/corkscrew-feminized.