Blue BloodStrain, Effects, Genetics, Grow Guide & Where to Buy
Among the strains American growers consistently come back to, Blue Blood sits near the top of the list, but the data behind the hype is what holds growers' attention. It is a indica-dominant (72% indica / 28% sativa) testing at roughly 14% THC, with a flowering window of 55-65 days as an autoflower. On this page we cover the effects, the lineage, the grow profile, and where to buy Blue Blood seeds in the United States.
Blue Blood Quick Stats
THC
14%
Indica
72%
Sativa
28%
Autoflower
Yes
Flowering
55-65 days
Difficulty
intermediate
Indoor Yield
up to 250 g/m2
Outdoor Yield
up to 300 g/plant
Plant Height
3-4 Ft. Medium
Blue BloodEffects & Experience
Blue Blood 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 Blue Blood
Growing Blue Blood fits cooler climates where photoperiod strains struggle to finish before frost, autoflower timing is calendar-driven, not daylight-driven. Blue Blood runs on an 18/6 light schedule from seed to harvest, autoflower genetics ignore photoperiod, so there is no flip and no light-cycle change. Indoor yields land around up to 250 g/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce up to 300 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 feed cal-mag from week 2 onward at 2-3 mL per gallon, most reverse-osmosis and soft tap water setups need it. 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.
Blue BloodLineage & Genetics
Blue Blood 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 Blue Blood Seeds in the USA
Blue Blood 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.
Blue Blood FAQ
Is Blue Blood indica or sativa?+
Blue Blood is a indica-dominant with a 72% indica / 28% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Blue Blood take to flower?+
Blue Blood flowers in 55-65 days from seed, since autoflower genetics ignore light cycle. Outdoor harvest typically lands 70-90 days after planting.
What is the THC content of Blue Blood?+
Blue Blood tests at approximately 14% 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 Blue Blood good for beginner growers?+
Blue Blood is rated intermediate difficulty. The autoflower genetics simplify the process, no light schedule changes and a fast seed-to-harvest timeline make it forgiving for first-time growers. Most growers with one harvest behind them handle this strain without difficulty.
Where can I buy Blue Blood seeds in the USA?+
Royal King Seeds ships Blue Blood seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/blue-blood-auto.