BiochemStrain, Effects, Genetics, Grow Guide & Where to Buy
Biochem is one of the most-searched cannabis strains in the United States, with a profile that holds up under scrutiny. It is a indica-dominant (78% indica / 22% sativa) testing at roughly 21% THC, with a flowering window of 55-65 days 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 Biochem seeds in the USA" in one place.
Biochem Quick Stats
THC
21%
Indica
78%
Sativa
22%
Autoflower
No
Flowering
55-65 days
Difficulty
intermediate
Indoor Yield
up to 400 g/m2
Outdoor Yield
up to 400 g/plant
Plant Height
3-4 Ft. Medium
BiochemEffects & Experience
Biochem is best known for relaxed, sleepy, happy. 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 Biochem
Growing Biochem fits indoor growers in compact spaces; indica genetics stay short and bushy without aggressive training. Biochem 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 up to 400 g/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce up to 400 g/plant. Expected plant height is 3-4 Ft. Medium, 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 maintain canopy airflow with an oscillating fan moving air through the leaves, not just above them, to prevent powdery mildew. 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.
BiochemLineage & Genetics
Biochem 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 Biochem Seeds in the USA
Biochem 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.
Biochem FAQ
Is Biochem indica or sativa?+
Biochem is a indica-dominant with a 78% indica / 22% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Biochem take to flower?+
Biochem flowers in 55-65 days 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 Biochem?+
Biochem 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 Biochem good for beginner growers?+
Biochem 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 Biochem seeds in the USA?+
Royal King Seeds ships Biochem seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/biochem-feminized.