Red WidowStrain, Effects, Genetics, Grow Guide & Where to Buy
Few cultivars carry the cult following Red Widow has built across the US grow community , and the appeal is easy to explain. It is a balanced hybrid (47% indica / 53% sativa) testing at roughly 25% THC, with a flowering window of 50-70 days as an autoflower. What follows is a complete reference: terpene-led effects, genetic background, indoor and outdoor grow guidance, and the fastest way to get Red Widow seeds shipped to your state.
Red Widow Quick Stats
THC
25%
Indica
47%
Sativa
53%
Autoflower
Yes
Flowering
50-70 days
Difficulty
intermediate
Indoor Yield
up to 400 g/m2
Outdoor Yield
up to 400 g/plant
Plant Height
80–120 cm
Red WidowEffects & Experience
The dominant effects of Red Widow are relaxed, happy, euphoric, 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 Red Widow
Growing Red Widow fits short outdoor seasons in the upper Midwest, Pacific Northwest, and Northeast, autoflower genetics finish in 70-90 days from seed regardless of latitude. Red Widow 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 up to 400 g/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce up to 400 g/plant. Expected plant height is 80–120 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 apply low-stress training in week 2 of veg, bend the main stem horizontally and tie down to expose lower nodes. The most common challenge growers report is training timing, top at the 4th node, not earlier and not later, for the best canopy distribution.
Red WidowLineage & 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 Red Widow Seeds in the USA
Red Widow 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.
Red Widow FAQ
Is Red Widow indica or sativa?+
Red Widow is a balanced hybrid with a 47% indica / 53% sativa split. The effects lean balanced, neither dominantly head nor body.
How long does Red Widow take to flower?+
Red Widow flowers in 50-70 days from seed, since autoflower genetics ignore light cycle. Outdoor harvest typically lands 70-90 days after planting.
What is the THC content of Red Widow?+
Red Widow tests at approximately 25% 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 Red Widow good for beginner growers?+
Red Widow 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 Red Widow seeds in the USA?+
Royal King Seeds ships Red Widow seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/red-widow-auto.