Rare DarknessStrain, Effects, Genetics, Grow Guide & Where to Buy
Rare Darkness earned its place in the modern cannabis canon for a reason , and the appeal is easy to explain. It is a indica-dominant (80% indica / 20% sativa) testing at roughly 23% THC, with a flowering window of 60-70 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 Rare Darkness seeds delivered anywhere in the US.
Rare Darkness Quick Stats
THC
23%
Indica
80%
Sativa
20%
Autoflower
No
Flowering
60-70 days
Difficulty
intermediate
Indoor Yield
up to 450 g/m2
Outdoor Yield
up to 550 g/plant
Plant Height
Short
Rare DarknessEffects & Experience
Reported effects center on euphoric, relaxed, sleepy. Rare Darkness 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 Rare Darkness
Growing Rare Darkness fits shorter outdoor seasons, Pacific Northwest, New England, Great Lakes, where 7-9 week flowering finishes ahead of October rains. Rare Darkness 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 450 g/m2 under quality LED, and outdoor plants given full sun and 5-7 gallon containers reliably produce up to 550 g/plant. Expected plant height is Short, with intermediate cultivation difficulty. Practical tips that move the needle: feed cal-mag from week 2 onward at 2-3 mL per gallon, most reverse-osmosis and soft tap water setups need it; 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 training timing, top at the 4th node, not earlier and not later, for the best canopy distribution.
Rare DarknessLineage & 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 Rare Darkness Seeds in the USA
Rare Darkness 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.
Rare Darkness FAQ
Is Rare Darkness indica or sativa?+
Rare Darkness is a indica-dominant with a 80% indica / 20% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Rare Darkness take to flower?+
Rare Darkness flowers in 60-70 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 Rare Darkness?+
Rare Darkness tests at approximately 23% 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 Rare Darkness good for beginner growers?+
Rare Darkness 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 Rare Darkness seeds in the USA?+
Royal King Seeds ships Rare Darkness seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/rare-darkness-feminized.