Blue PrincessStrain, Effects, Genetics, Grow Guide & Where to Buy
Blue Princess earned its place in the modern cannabis canon for a reason , and the appeal is easy to explain. It is a sativa-dominant (5% indica / 95% sativa) testing at roughly 18% THC, with a flowering window of 7–9 weeks under a 12/12 photoperiod. Below we walk through what to expect from the high, how the plant grows in a tent or outdoor garden, the parental genetics behind the cultivar, and how to get Blue Princess seeds delivered anywhere in the US.
Blue Princess Quick Stats
THC
18%
Indica
5%
Sativa
95%
Autoflower
No
Flowering
7–9 weeks
Difficulty
intermediate
Indoor Yield
350–450 g/m²
Outdoor Yield
400–600 g/plant
Plant Height
170–210 cm
Blue PrincessEffects & Experience
Blue Princess is best known for happy, energetic, creative. 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 Princess
Growing Blue Princess fits subtropical and Mediterranean climates with dry late-summer weather to support the longer flower window. Blue Princess 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 350–450 g/m² under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce 400–600 g/plant. Expected plant height is 170–210 cm, with intermediate cultivation difficulty. Practical tips that move the needle: top once at the 4th node to encourage 4-6 even main colas instead of one dominant cola; 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 training timing, top at the 4th node, not earlier and not later, for the best canopy distribution.
Blue PrincessLineage & Genetics
This cultivar is part of the Royal King Seeds curated catalog. Read the description as a general profile rather than a guarantee of your specific pack.
Where to Buy Blue Princess Seeds in the USA
Blue Princess 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 Princess FAQ
Is Blue Princess indica or sativa?+
Blue Princess is a sativa-dominant with a 5% indica / 95% sativa split. The effects lean toward mental clarity, mood lift, and conversation.
How long does Blue Princess take to flower?+
Blue Princess flowers in 7–9 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 Blue Princess?+
Blue Princess 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 Princess good for beginner growers?+
Blue Princess 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 Princess seeds in the USA?+
Royal King Seeds ships Blue Princess seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/blue-princess-feminized.