White WidowStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
White Widow is a hybrid cannabis strain with 18-25% THC and a 8-9 weeks flowering period. It is known for euphoric and happy effects and grows best in temperate Canadian outdoor zones with at least 130 frost-free days. White Widow seeds are sold at Royal King Seeds Canada with discreet Canada-wide shipping and a high-germination guarantee.
White Widow earned its place in the modern cannabis canon for a reason — and the genetics live up to the reputation. It is a balanced hybrid (60% indica / 40% sativa) testing at roughly 18-25%% THC, with a flowering window of 8-9 weeks under a 12/12 photoperiod. 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 White Widow seeds delivered anywhere in Canada.
White Widow Quick Stats
THC
18-25%%
Indica
60%
Sativa
40%
Autoflower
No
Flowering
8-9 weeks
Difficulty
beginner
Indoor Yield
450-500g/m²
Outdoor Yield
500-600g/plant
Plant Height
80-120cm
White WidowEffects & Experience
White Widow is best known for euphoric, happy, relaxed. The effects come on within the first 10 minutes and settle into a stable plateau that lasts 90 minutes to two hours at typical doses. Growers and users consistently note that the high stays true to its profile rather than drifting — what you feel in the first 20 minutes is what you have for the next 90.
Growing White Widow
Growing White Widow fits indoor tent growers running standard 4x4 setups; the hybrid frame responds well to topping and LST. White Widow 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 450-500g/m² under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 500-600g/plant. Expected plant height is 80-120cm, with beginner cultivation difficulty. Practical tips that move the needle: top once at the 4th node to encourage 4-6 even main colas instead of one dominant cola; 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 late-flower humidity if your indoor RH climbs above 55% during the final two weeks.
White WidowLineage & Genetics
Lineage: Brazilian Sativa x South Indian Indica. That parental cross is the reason White Widow expresses the way it does, manageable height, balanced bud structure, and a flexible response to training. Our breeding line goes back to a selected mother, which is the basis for phenotype consistency in the pack.
Where to Buy White Widow Seeds in Canada
White Widow seeds ship from Royal King Seeds to every Canadian province and territory with discreet packaging and a high-germination guarantee. Average delivery is 3-7 business days, with the fastest routes typically reaching British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Northwest Territories.
White Widow FAQ
Is White Widow indica or sativa?+
White Widow is a balanced hybrid with a 60% indica / 40% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does White Widow take to flower?+
White Widow flowers in 8-9 weeks once you flip to 12/12 light cycle. Outdoor harvest typically lands in late September to mid-October across most Canadian growing zones.
What is the THC content of White Widow?+
White Widow tests at approximately 18-25%% 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 White Widow good for beginner growers?+
White Widow is rated beginner 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 White Widow seeds in Canada?+
Royal King Seeds ships White Widow seeds to every Canadian province and territory with discreet packaging, tracked delivery, and a high-germination guarantee. The product page is at https://royalkingseeds.ca/white-widow-feminized — checkout accepts standard cards and Interac.