Mamba Negra CBG Seeds

Genetics & effects

Mamba Negra CBG is a feminised cross of Mamba Negra × CBG OG, presented in the Outback Seed Bank catalogue for growers seeking a balanced cannabinoid cultivar. Its 50% sativa and 50% indica composition supports a versatile structure, combining upward growth with moderate lateral branching. Reported cannabinoid figures are 0–0.3% THC and up to 5% CBD, with CBG as the defining catalogue category. Actual expression can vary with phenotype and growing conditions.

Its aromatic profile brings together pine, fresh lime and earthy notes, associated with pinene, limonene and myrcene. Experiences are subjective, but some consumers describe the effects as uplifting, euphoric, creative and cerebral. Intensity and character may differ between individuals. Explore more options in the CBG seed collection.

Explore feminised seeds, outdoor seeds, the Australian grow guide, and the planting calendar.

Explore feminised seeds, outdoor seeds, the Australian grow guide, and the planting calendar.

Growing in Australia

This intermediate-level cultivar can suit hot, dry regions, temperate areas and cooler districts with shorter seasons. Australian conditions vary considerably, so local timing, humidity and overnight temperatures should guide planning. For outdoor cultivation, spring planting generally falls between September and November. In cooler areas, an earlier-finishing position with strong daily sunlight may help plants complete flowering before autumn weather becomes unsettled.

Good airflow is particularly useful in humid coastal districts, while inland gardens may require closer attention to moisture retention and heat exposure. Check local rules before acquiring or growing cannabis seeds, as requirements differ between Australian states and territories.

Indoor

Indoors, Mamba Negra CBG may reach up to 160 cm, making canopy management worthwhile where vertical room is limited. Gentle training and an even canopy can help light reach more flowering sites. Allow space between branches, maintain steady air movement and monitor humidity as flowers gain density.

The listed flowering period is approximately 8–10 weeks. Indoor yields are listed at up to 450 g/m² under suitable conditions, though environment, experience, phenotype and equipment all influence the final result. See the indoor growing guide for general planning information.

Outdoor

Outdoors, plants may grow to up to 200 cm and produce up to 500 g per plant in favourable settings. Choose a sunny location with airflow and enough room for branching. In hot, dry areas, mulch and sensible irrigation timing can help keep root-zone moisture more consistent. In temperate or cool regions, shelter from prolonged rain and cold late-season winds can reduce the risk of mould.

Harvest

Australian outdoor harvest usually falls between March and May. The exact window depends on planting date, latitude, phenotype and seasonal weather. Assess flower maturity rather than relying on the calendar alone, and inspect dense areas regularly as harvest approaches. After cutting, dry branches slowly in a dark, ventilated space with stable conditions to preserve the cultivar’s pine, lime and earthy character—an appealing combination for growers who favour bright citrus notes alongside a classic forest-floor profile.