Black MambaStrain, Effects, Genetics, Grow Guide & Where to Buy
Few cultivars carry the cult following Black Mamba has built across the US grow community , and the genetics live up to the reputation. It is a balanced hybrid (60% indica / 40% sativa) testing at roughly 25% THC, with a flowering window of 8-10 weeks under a 12/12 photoperiod. What follows is a complete reference: terpene-led effects, genetic background, indoor and outdoor grow guidance, and the fastest way to get Black Mamba seeds shipped to your state.
Black Mamba Quick Stats
THC
25%
Indica
60%
Sativa
40%
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
Black MambaEffects & Experience
Reported effects center on focused, relaxed, sleepy. Black Mamba pulls toward a balanced state where neither head nor body dominates, a profile that holds up across phenotypes when the seeds are grown to their potential.
Growing Black Mamba
Growing Black Mamba fits temperate and subtropical zones, Pacific coast, Southwest, and Mid-Atlantic states with mild September weather. Black Mamba 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: top once at the 4th node to encourage 4-6 even main colas instead of one dominant cola; and feed cal-mag from week 2 onward at 2-3 mL per gallon, most reverse-osmosis and soft tap water setups need it. The most common challenge growers report is late-flower humidity if your indoor RH climbs above 55% during the final two weeks.
Black MambaLineage & 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 Black Mamba Seeds in the USA
Black Mamba 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.
Black Mamba FAQ
Is Black Mamba indica or sativa?+
Black Mamba is a balanced hybrid with a 60% indica / 40% sativa split. The effects lean toward physical relaxation and a calm, settled headspace.
How long does Black Mamba take to flower?+
Black Mamba 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 Black Mamba?+
Black Mamba tests at approximately 25% 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 Black Mamba good for beginner growers?+
Black Mamba 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 Black Mamba seeds in the USA?+
Royal King Seeds ships Black Mamba seeds from within the United States, with estimated delivery in approximately 5-7 business days. The product page is at https://royalkingseeds.us/black-mamba-feminized.