Blue AmnesiaStrain, Effects, Genetics, Grow Guide & Where to Buy
Blue Amnesia is one of the most-searched cannabis strains in the United States, but the data behind the hype is what holds growers' attention. It is a sativa-dominant (10% indica / 90% sativa) testing at roughly 18% 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 Blue Amnesia seeds in the USA" in one place.
Blue Amnesia Quick Stats
THC
18%
Indica
10%
Sativa
90%
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
Blue AmnesiaEffects & Experience
Blue Amnesia is best known for relaxed, energetic, calm. 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 Amnesia
Growing Blue Amnesia fits subtropical and Mediterranean climates with dry late-summer weather to support the longer flower window. Blue Amnesia 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 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.
Blue AmnesiaLineage & Genetics
Blue Amnesia is a Royal King Genetics in-house cross. The parental selection was chosen for cerebral effects and aromatic complexity, 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 Blue Amnesia Seeds in the USA
Blue Amnesia seeds ship from Royal King Seeds to all 50 US states with discreet packaging and a 95% germination guarantee. Average delivery is 3-5 business days, with the fastest routes typically reaching Alaska, Arizona, Arkansas, California, Colorado.
Blue Amnesia FAQ
Is Blue Amnesia indica or sativa?+
Blue Amnesia is a sativa-dominant with a 10% indica / 90% sativa split. The effects lean toward mental clarity, mood lift, and conversation.
How long does Blue Amnesia take to flower?+
Blue Amnesia 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 US zones.
What is the THC content of Blue Amnesia?+
Blue Amnesia tests at approximately 18% 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 Amnesia good for beginner growers?+
Blue Amnesia 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 Blue Amnesia seeds in the USA?+
Royal King Seeds ships Blue Amnesia seeds to all 50 US states with discreet packaging, 3-5 day delivery, and a 95% germination guarantee. The product page is at https://royalkingseeds.us/blue-amnesia-feminized, checkout accepts standard cards, Apple Pay, and crypto.