Ancient OGStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
Ancient OG is a indica cannabis strain with 21% THC and a 8-10 weeks flowering period. It is known for relaxed and sleepy effects and grows best in indoor tents and cooler Canadian outdoor zones. Ancient OG seeds are sold at Royal King Seeds Canada with discreet Canada-wide shipping and a high-germination guarantee.
Ancient OG is one of the most-searched cannabis strains among Canadian growers, with a profile that holds up under scrutiny. It is a indica-dominant (77% indica / 23% sativa) testing at roughly 21%% THC, with a flowering window of 8-10 weeks under a 12/12 photoperiod. This guide pulls together the lineage, the effects, the grow data, and the practical answer to "where can I buy Ancient OG seeds in Canada" in one place.
Ancient OG Quick Stats
THC
21%%
Indica
77%
Sativa
23%
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
Ancient OGEffects & Experience
The dominant effects of Ancient OG are relaxed, sleepy, happy, 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 Ancient OG
Growing Ancient OG fits indoor growers in compact spaces; indica genetics stay short and bushy without aggressive training. Ancient OG 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: apply low-stress training in week 2 of veg — bend the main stem horizontally and tie down to expose lower nodes; 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 over-feeding nitrogen past week 1 of flower — switch to bloom nutrients within 7 days of seeing pistils.
Ancient OGLineage & Genetics
Ancient OG is a Royal King Genetics in-house cross. The parental selection was chosen for compact stature and resin density, 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 Ancient OG Seeds in Canada
Ancient OG 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.
Ancient OG FAQ
Is Ancient OG indica or sativa?+
Ancient OG is a indica-dominant with a 77% indica / 23% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Ancient OG take to flower?+
Ancient OG 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 Ancient OG?+
Ancient OG tests at approximately 21%% 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 Ancient OG good for beginner growers?+
Ancient OG 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 Ancient OG seeds in Canada?+
Royal King Seeds ships Ancient OG 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/ancient-og-feminized — checkout accepts standard cards and Interac.