



Black Mamba Seeds
Black Mamba is a 70/30 indica-dominant hybrid with grape-berry flavour and a calming, relaxing high. Ideal for intermediate growers, it flowers in 55–65 days.
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The Black Mamba Strain: Potent Relaxation and Rich Flavour
The Black Mamba strain is a modern hybrid with classic potency. A cross between Granddaddy Purple and Black Domina, it boasts THC levels of up to 26% and a long-lasting, deeply psychoactive high. Meanwhile, its 70% indica content adds to the overall lulling yet euphoric state of mind.
Fans of this strain report vivid relaxation coupled with a lingering sense of calm, meaning you can unwind on a smooth, mellow ride. Combine this strain's substantial THC levels, 70% indica lineage, and appealing terpene profile, and it's easy to see why Black Mamba is the ideal pick for many cannabis growers across Canada.
Black Mamba is best suited to growers who have some past cultivation experience, as it requires consistent light cycles and pruning to help manage its bushy growth. However, even beginners can cultivate this strain like a seasoned green thumb, so long as they approach the process with some key tips.
Below, we discuss some of the most useful ways to encourage your Black Mamba plants to flourish and produce a generous harvest.
Dial in Your Growing Conditions
Maintain consistent temperature ranges: As with many other cannabis plants, the Black Mamba strain prefers daytime temperatures of about 21–27 degrees Celsius. At night, indoor growers can manually lower the temperature on the thermostat to approximately 18–24 degrees Celsius, which will help promote trichome production and bud development.
Establish stable humidity levels: Indoor growers are encouraged to keep humidity levels around 40–50% during vegetation and 30% to 40% during the flowering phase to help prevent mould and bud rot. Outdoor growers will have the best yield outcomes and avoid root rot by picking a sunshine-rich location with well-draining soil for their Black Mamba plants.
Keep an eye on nutrient sensitivity: Black Mamba is known for its sensitivity to nutrient buildup, which can cause yellowed leaves or stunted growth. Too much fertiliser, and your Black Mamba plants may also experience something called "nutrient lockout," which simply means your roots can no longer absorb nutrients.
Thankfully, both these issues are easy to avoid by measuring your fertiliser ahead of time. Try beginning with half the amount of fertiliser recommended on the label, and keep an eye on your Black Mamba plants for signs of stress. If the plants appear healthy, you can then increase the dose. This technique can help protect your plants, enrich their terpene profile, and encourage greater yields.
Germinating Your Black Mamba Seeds
Our germination guide is a great resource for growers of all skill levels and provides short, step-by-step instructions for sprouting your Black Mamba seeds from the comfort of home. If you have basic items on hand, such as paper towels and water, you can germinate like a pro! As a bonus, if you try our germination guide, your Black Mamba seeds will be protected by our industry-leading germination guarantee.
Yields, Flowering Time, and Harvest
Indoor growers can expect high-quality harvests of about 16–18 ounces per square metre. Outdoor plants that are permitted to reach their full size may produce up to 20 ounces per plant — especially if you expose your Black Mamba crop to plenty of sunshine.
Black Mamba flowers in approximately 55–65 days. Indoor and outdoor growers alike are advised to watch for changes in the trichomes; a shift from milky white to amber hues means your plants are at their most potent in terms of THC levels.
Outdoor growers in Canada are encouraged to plant their Black Mamba seeds in late May to early June, once the risk of frost has largely passed and soil temperatures have warmed sufficiently. Planting your seeds during this timeframe also helps encourage the best vegetative growth and promotes abundant buds before the mid-October harvest.
Dominant Terpenes in Black Mamba
Black Mamba has a grape and berry fragrance with hints of earthy musk and subtle pine. When smoked, it has a sweet and fruity taste with spicy and herbal undertones. This unique scent comes from dominant terpenes myrcene, caryophyllene, and pinene, which also contribute to Black Mamba's indica vibes and cannabinoid profile through a process known as the entourage effect.
Dominant Cannabinoids in the Black Mamba Strain
Black Mamba contains THC levels of up to 26%, which create a powerful, imaginative, and fast-acting high. CBD levels are typically low (under 1%), making THC the primary cannabinoid responsible for the strain's deeply euphoric effects.
Pacific Seed Bank ships Black Mamba Seeds discreetly to every Canadian province and territory.
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Strain Data
| Breeder | Amsterdam Seeds Co. |
| Pack Size | 3 Seeds, 5 Seeds, 10 Seeds, 25 Seeds |
| Cannabis Species | Hybrids |
| Genetics | 60% Indica/40% Sativa |
| Flowering Time | 50-60 days |
| THC | 25% |
| THC Level | High (>20%) |
| CBD Level | Moderate (3-10%) |
| Terpene Profile | Caryophyllene, Myrcene, Pinene |
| Effects | Focused, Relaxed, Sleepy |
| Yield Indoors (per m²) | Up to 450g/m² |
| Yield Outdoors | Up to 450 gr |
| To Target | Depression, Headache, Pain |
| Taste | Pine, Sweet, Woody |
| Skill Level | Intermediate |
| Plant Sex | Feminized |
| Flowering Type | Photoperiod |
| Where to Grow/Cultivate | Indoor/Outdoor |
| Size | Medium |
| BIN | BIN5 |
| Yield Level | Standard Yield |





