LA JackStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
LA Jack is a hybrid cannabis strain with 24% THC and a 8-10 weeks flowering period. It is known for euphoric and creative effects and grows best indoors in 4x4 tents under 600W LED. LA Jack 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, LA Jack sits near the top of the list, with a profile that holds up under scrutiny. It is a balanced hybrid (62% indica / 38% sativa) testing at roughly 24%% 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 LA Jack seeds in Canada with discreet shipping and a high-germination guarantee.
LA Jack Quick Stats
THC
24%%
Indica
62%
Sativa
38%
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
LA JackEffects & Experience
Reported effects center on euphoric, creative, calm. LA Jack 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 LA Jack
Growing LA Jack fits temperate and southern Canadian zones — coastal BC, Southern Ontario, and the Niagara region with mild September weather. LA Jack 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: flush nutrients in the final 10-14 days for cleaner flavor; trichomes finish properly even on plain pH-adjusted water; 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 over-feeding nitrogen past week 1 of flower — switch to bloom nutrients within 7 days of seeing pistils.
LA JackLineage & Genetics
LA Jack 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 LA Jack Seeds in Canada
LA Jack 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.
LA Jack FAQ
Is LA Jack indica or sativa?+
LA Jack is a balanced hybrid with a 62% indica / 38% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does LA Jack take to flower?+
LA Jack 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 LA Jack?+
LA Jack tests at approximately 24%% 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 LA Jack good for beginner growers?+
LA Jack 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 LA Jack seeds in Canada?+
Royal King Seeds ships LA Jack 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/la-jack-feminized — checkout accepts standard cards and Interac.