China YunnanStrain, Effects, Genetics, Grow Guide & Where to Buy

Among the strains American growers consistently come back to, China Yunnan sits near the top of the list, but the data behind the hype is what holds growers' attention. It is a indica-leaning hybrid (65% indica / 35% sativa) testing at roughly 15% THC, with a flowering window of 8-9 weeks under a 12/12 photoperiod. On this page we cover the effects, the lineage, the grow profile, and where to buy China Yunnan seeds in the United States.

China Yunnan Quick Stats

THC

15%

Indica

65%

Sativa

35%

Autoflower

No

Flowering

8-9 weeks

Difficulty

intermediate

Indoor Yield

Medium

Outdoor Yield

Medium

Plant Height

Medium

China YunnanEffects & Experience

The dominant effects of China Yunnan are euphoric, calm, 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.

EuphoricCalm

Growing China Yunnan

Growing China Yunnan fits indoor growers in compact spaces; indica genetics stay short and bushy without aggressive training. China Yunnan 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 Medium under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce Medium. Expected plant height is Medium, 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 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 calcium and magnesium supplementation under bright LED lighting; cal-mag at 2-3 mL/gal from week 2 prevents the most common deficiency.

China YunnanLineage & Genetics

China Yunnan is offered in the Royal King Seeds catalog. Read the description on this page as a general profile rather than a guarantee of your specific pack; expect some phenotype variation between packs.

Where to Buy China Yunnan Seeds in the USA

China Yunnan seeds ship from Royal King Seeds from within the United States. Estimated delivery is approximately 5-7 business days; actual timing varies by destination and carrier.

China Yunnan FAQ

Is China Yunnan indica or sativa?+

China Yunnan is a indica-leaning hybrid with a 65% indica / 35% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.

How long does China Yunnan take to flower?+

China Yunnan flowers in 8-9 weeks once you flip to 12/12 light cycle. Outdoor harvest typically lands in late September to mid-October across most US zones.

What is the THC content of China Yunnan?+

China Yunnan tests at approximately 15% 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 China Yunnan good for beginner growers?+

China Yunnan 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 China Yunnan seeds in the USA?+

Royal King Seeds ships China Yunnan seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/china-yunnan-feminized.

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