Big DevilStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
Big Devil is a hybrid cannabis strain with 18% THC and a 8-10 weeks flowering period. It is known for euphoric and creative effects and grows best in both indoor tents and warm outdoor climates. Big Devil seeds are sold at Royal King Seeds Canada with discreet Canada-wide shipping and a high-germination guarantee.
Among the strains Canadian growers consistently come back to, Big Devil sits near the top of the list, but the data behind the hype is what holds growers' attention. It is a balanced hybrid (44% indica / 56% sativa) testing at roughly 18%% 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 Big Devil seeds in Canada with discreet shipping and a high-germination guarantee.
Big Devil Quick Stats
THC
18%%
Indica
44%
Sativa
56%
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
Big DevilEffects & Experience
Big Devil is best known for euphoric, creative, energetic. 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 Big Devil
Growing Big Devil fits outdoor growers with at least 130 frost-free days; the balanced structure handles both heat and cool nights. Big Devil 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: maintain canopy airflow with an oscillating fan moving air through the leaves, not just above them, to prevent powdery mildew; and flush nutrients in the final 10-14 days for cleaner flavor; trichomes finish properly even on plain pH-adjusted water. 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.
Big DevilLineage & Genetics
Big Devil is a Royal King Genetics in-house cross. The parental selection was chosen for hybrid vigor and a balanced effect profile, then stabilized over multiple generations to lock in phenotype expression. Seeds run true to the description on this page rather than spreading across a wide range of expressions.
Where to Buy Big Devil Seeds in Canada
Big Devil 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.
Big Devil FAQ
Is Big Devil indica or sativa?+
Big Devil is a balanced hybrid with a 44% indica / 56% sativa split. The effects lean balanced — neither dominantly head nor body.
How long does Big Devil take to flower?+
Big Devil 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 Big Devil?+
Big Devil tests at approximately 18%% 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 Big Devil good for beginner growers?+
Big Devil 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 Big Devil seeds in Canada?+
Royal King Seeds ships Big Devil 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/big-devil-feminized — checkout accepts standard cards and Interac.