Grape GuavaStrain — Effects, Genetics, Grow Guide & Where to Buy in Canada
Grape Guava is a hybrid cannabis strain with 24% THC and a 8-10 weeks flowering period. It is known for relaxed and happy effects and grows best in both indoor tents and warm outdoor climates. Grape Guava seeds are sold at Royal King Seeds Canada with discreet Canada-wide shipping and a high-germination guarantee.
Few cultivars carry the cult following Grape Guava has built across the Canadian grow community — and the appeal is easy to explain. It is a balanced hybrid (41% indica / 59% sativa) testing at roughly 24%% THC, with a flowering window of 8-10 weeks under a 12/12 photoperiod. What follows is a complete reference: terpene-led effects, genetic background, indoor and outdoor grow guidance, and the fastest way to get Grape Guava seeds shipped to your province.
Grape Guava Quick Stats
THC
24%%
Indica
41%
Sativa
59%
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
Grape GuavaEffects & Experience
Grape Guava is best known for relaxed, happy, euphoric. 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 Grape Guava
Growing Grape Guava fits outdoor growers with at least 130 frost-free days; the balanced structure handles both heat and cool nights. Grape Guava 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: feed cal-mag from week 2 onward at 2-3 mL per gallon — most reverse-osmosis and soft tap water setups need it; 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 training timing — top at the 4th node, not earlier and not later, for the best canopy distribution.
Grape GuavaLineage & Genetics
This cultivar comes from the Royal King Genetics breeding program — an in-house line developed for consistent results across both indoor and outdoor environments. Phenotype consistency is the result of multiple generations of selection rather than commercial seed-run breeding.
Where to Buy Grape Guava Seeds in Canada
Grape Guava 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.
Grape Guava FAQ
Is Grape Guava indica or sativa?+
Grape Guava is a balanced hybrid with a 41% indica / 59% sativa split. The effects lean balanced — neither dominantly head nor body.
How long does Grape Guava take to flower?+
Grape Guava 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 Grape Guava?+
Grape Guava 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 Grape Guava good for beginner growers?+
Grape Guava 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 Grape Guava seeds in Canada?+
Royal King Seeds ships Grape Guava 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/grape-guava-feminized — checkout accepts standard cards and Interac.