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Black Mamba

Feminised

Black Mamba is an indica-dominant hybrid with dense, resinous buds and a sedative-leaning effect.

Why choose Black Mamba?
  • Dense, resinous buds suited to evening use
  • Performs well in greenhouses with proper humidity control
  • Distinct dark berry and coffee flavours
THC 18-23%
CBD 0.50%
Lineage Black Domina x Mamba OG
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium, 80-140 cm
Yield Medium to high (≈350-500 g/m² indoor; 300-400 g/plant outdoor)
Taste Dark Berry, Earthy Spice, Roasted Coffee
Seed Type Feminised
Climate Damp Coastal
Effects Relaxed Body Sedation, Mild Cerebral Uplift, Sleepy At Higher Doses
Environment Greenhouse And Outdoor

About Black Mamba

Black Mamba is a compact, resin-heavy hybrid bred for rich flavour and reliable yields in managed environments. It favours controlled humidity and steady nutrition and rewards growers who prioritise airflow and careful canopy work.

Grow Difficulty:

Growing Black Mamba in a damp coastal climate requires careful attention to ventilation and mould prevention. Regular pruning and active humidity control are essential in these moist conditions.

Flowering Time:

Flowering commonly finishes within eight to ten weeks. Trichome production accelerates in the final three weeks.

Yield:

Yield is medium to high with consistent nutrients and adequate light. Greenhouse setups often push plants towards the higher end of expected yields.

Height:

Plants display a compact, bushy structure with a dominant central cola. Final heights typically range from eighty to one hundred and forty centimetres.

Environment:

Indoors this variety responds well to controlled environments and stable humidity. Outdoor and greenhouse grows in Staffordshire can produce robust plants when rainfall is managed and light is sufficient.

Climate:

Growing Black Mamba in Staffordshire requires measures to combat persistent moisture because of the damp coastal climate. A ventilated greenhouse with dehumidification and careful canopy management is the recommended approach in Staffordshire.

Frequently Asked Questions

Common questions about this strain, covering growth, effects, and suitability for UK conditions.

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Choose seed quantity
Selected: 5 Seeds
£53.33 £40.00
£8.00 / seed • You save £13.33
Accepted payment methods
100% Satisfaction Guarantee • Secured Payments
Urbanseedbank Support

Questions & Answers

Customer questions and answers from the Urbanseedbank team. Submit your own question and we’ll respond after review.

5 questions Answered posts are shown first.
Common question Posted by Urbanseedbank Answered
Q
I'm fighting mould in the greenhouse, what immediate steps should I take?
A
Verified answer
Increase ventilation, remove affected material, and lower humidity with dehumidifiers or heaters while improving air circulation.
Common question Posted by Urbanseedbank Answered
Q
Should I use LST or topping on Black Mamba?
A
Verified answer
Both work; topping encourages multiple colas while low-stress training spreads the canopy and improves light distribution.
Common question Posted by Urbanseedbank Answered
Q
How often should I water during peak flowering?
A
Verified answer
Water based on substrate weight and drainage; many growers water every 2–4 days depending on pot size and environmental demand.
Common question Posted by Urbanseedbank Answered
Q
Any trimming tips before harvest?
A
Verified answer
Remove large fan leaves that block light in the final two weeks and perform selective trimming to reduce dense inner growth prone to mould.
Common question Posted by Urbanseedbank Answered
Q
What nutrient flush do you recommend before harvest?
A
Verified answer
A light flush with plain water for the final 7–10 days helps clear excess salts and can improve smoke smoothness.

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