Deep PurpleStrain, Effects, Genetics, Grow Guide & Where to Buy
Deep Purple 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 (70% indica / 20% sativa) testing at roughly 17% THC, with a flowering window of 8-10 weeks from seed as an autoflower. This guide pulls together the lineage, the effects, the grow data, and the practical answer to "where can I buy Deep Purple seeds in the USA" in one place.
Deep Purple Quick Stats
THC
17%
Indica
70%
Sativa
20%
Autoflower
Yes
Flowering
8-10 weeks from seed
Difficulty
intermediate
Indoor Yield
450-550 g/m²
Outdoor Yield
500-700 g/plant
Plant Height
60-100 cm
Deep PurpleEffects & Experience
Reported effects center on euphoric, relaxed, sleepy. Deep Purple pulls toward physical relaxation and a quiet, observational headspace, a profile that holds up across phenotypes when the seeds are grown to their potential.
Growing Deep Purple
Growing Deep Purple fits cooler climates where photoperiod strains struggle to finish before frost, autoflower timing is calendar-driven, not daylight-driven. Deep Purple 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 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 60-100 cm, 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 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 over-feeding nitrogen past week 1 of flower, switch to bloom nutrients within 7 days of seeing pistils.
Deep PurpleLineage & Genetics
Deep Purple is a Royal King Genetics in-house cross. The parental selection was chosen for compact stature and resin density, 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 Deep Purple Seeds in the USA
Deep Purple 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.
Deep Purple FAQ
Is Deep Purple indica or sativa?+
Deep Purple is a indica-dominant with a 70% indica / 20% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Deep Purple take to flower?+
Deep Purple flowers in 8-10 weeks from seed from seed, since autoflower genetics ignore light cycle. Outdoor harvest typically lands 70-90 days after planting.
What is the THC content of Deep Purple?+
Deep Purple tests at approximately 17% 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 Deep Purple good for beginner growers?+
Deep Purple 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 Deep Purple seeds in the USA?+
Royal King Seeds ships Deep Purple 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/deep-purple-auto, checkout accepts standard cards, Apple Pay, and crypto.