Purple ArrowStrain, Effects, Genetics, Grow Guide & Where to Buy
Purple Arrow earned its place in the modern cannabis canon for a reason , and the appeal is easy to explain. It is a indica-dominant (79% indica / 21% sativa) testing at roughly 21% THC, with a flowering window of 45-60 days 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 Purple Arrow seeds delivered anywhere in the US.
Purple Arrow Quick Stats
THC
21%
Indica
79%
Sativa
21%
Autoflower
No
Flowering
45-60 days
Difficulty
intermediate
Indoor Yield
Up to 300g/m²
Outdoor Yield
Up to 300 gr
Plant Height
about 3 feet
Purple ArrowEffects & Experience
The dominant effects of Purple Arrow are creative, calm, and the experience is more nuanced than a simple high/low/sedating label would suggest. Onset is gradual rather than abrupt, the peak holds for roughly an hour, and the comedown is smooth, which is why this strain shows up in so many "daily driver" lists from experienced consumers.
Growing Purple Arrow
Growing Purple Arrow fits indoor growers in compact spaces; indica genetics stay short and bushy without aggressive training. Purple Arrow 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 300g/m² under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce Up to 300 gr. Expected plant height is about 3 feet, with intermediate cultivation difficulty. Practical tips that move the needle: defoliate strategically on day 21 of flower; remove fan leaves blocking interior bud sites without stripping the plant; and flush nutrients in the final 10-14 days for cleaner flavor; trichomes finish properly even on plain pH-adjusted water. The most common challenge growers report is training timing, top at the 4th node, not earlier and not later, for the best canopy distribution.
Purple ArrowLineage & 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 Purple Arrow Seeds in the USA
Purple Arrow 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.
Purple Arrow FAQ
Is Purple Arrow indica or sativa?+
Purple Arrow is a indica-dominant with a 79% indica / 21% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Purple Arrow take to flower?+
Purple Arrow flowers in 45-60 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 Purple Arrow?+
Purple Arrow 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 Purple Arrow good for beginner growers?+
Purple Arrow 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 Purple Arrow seeds in the USA?+
Royal King Seeds ships Purple Arrow seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/purple-arrow-feminized.