Silver HazeStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
Silver Haze is a sativa cannabis strain with 22%% THC and a 8-10 weeks flowering period. It is known for energetic and relaxed effects and grows best outdoors in long-season southern Canadian climates and warm indoor setups. Silver Haze seeds are sold at Royal King Seeds Canada with discreet Canada-wide shipping and a high-germination guarantee.
Silver Haze earned its place in the modern cannabis canon for a reason — and the appeal is easy to explain. It is a sativa-dominant (10% indica / 90% sativa) testing at roughly 22%%% THC, with a flowering window of 8-10 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 Silver Haze seeds delivered anywhere in Canada.
Silver Haze Quick Stats
THC
22%%%
Indica
10%
Sativa
90%
Autoflower
No
Flowering
8-10 weeks
Difficulty
intermediate
Indoor Yield
450-550 g/m²
Outdoor Yield
500-700 g/plant
Plant Height
120-180 cm
Silver HazeEffects & Experience
Reported effects center on energetic, relaxed, uplifted. Silver Haze pulls toward mental clarity, conversation, and a light, mobile body feel — a profile that holds up across phenotypes when the seeds are grown to their potential.
Growing Silver Haze
Growing Silver Haze fits mild coastal and southern Canadian climates with dry late-summer weather to support the longer flower window. Silver Haze 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 450-550 g/m² under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 500-700 g/plant. Expected plant height is 120-180 cm, with intermediate cultivation difficulty. Practical tips that move the needle: defoliate strategically on day 21 of flower; remove fan leaves blocking interior bud sites without stripping the plant; 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.
Silver HazeLineage & Genetics
This cultivar comes from the Royal King Genetics breeding program — an in-house line developed for long-season outdoor expression and complex terpene profiles. Phenotype consistency is the result of multiple generations of selection rather than commercial seed-run breeding.
Where to Buy Silver Haze Seeds in Canada
Silver Haze 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.
Silver Haze FAQ
Is Silver Haze indica or sativa?+
Silver Haze is a sativa-dominant with a 10% indica / 90% sativa split. The effects lean toward mental clarity, mood lift, and conversation.
How long does Silver Haze take to flower?+
Silver Haze 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 Canadian growing zones.
What is the THC content of Silver Haze?+
Silver Haze tests at approximately 22%%% 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 Silver Haze good for beginner growers?+
Silver Haze 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 Silver Haze seeds in Canada?+
Royal King Seeds ships Silver Haze 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/silver-haze-feminized — checkout accepts standard cards and Interac.