Mamba Negra CBD Seeds

Genetics & effects

Mamba Negra CBD is a feminised, CBD-forward cultivar presented in the Outback Seed Bank catalogue. Its lineage combines Critical Mass × Skunk × Painkiller XL, producing an evenly balanced profile of approximately 50% sativa and 50% indica. Listed cannabinoid ranges are 10–20% CBD and 0–1% THC, although actual levels can vary with phenotype, environment and harvest timing.

The aromatic profile blends earthy and sweet foundations with floral, berry, pine and lime accents. Myrcene, caryophyllene, pinene and limonene are the principal listed terpenes. Individual impressions vary, but some people may describe the experience as calming, relaxed or gently uplifting. Others may perceive a creative quality followed by a sleepy finish. Aroma, flavour and subjective effects depend on the individual plant and growing conditions.

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

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

Growing in Australia

This intermediate-level cultivar suits growers who can monitor plant structure, airflow and seasonal changes. Its listed climate range includes hot, dry areas, temperate districts and cool regions with shorter summers. In Australia, outdoor planting commonly aligns with spring, from September to November, once local conditions are reliably warm.

Environmental conditions differ considerably across Australia. Hot districts may call for afternoon shade and careful irrigation, while humid coastal areas benefit from generous spacing and airflow to reduce mould risk. In cooler regions, starting toward the earlier part of the spring window can provide more time for development before autumn weather arrives.

Indoor

Indoors, Mamba Negra CBD may reach up to 170 cm and has a listed flowering period of approximately 8–10 weeks. Its Critical Mass and Skunk heritage suggests vigorous branching, so early canopy planning can help make productive use of available light. Low-stress training, selective pruning and suitable spacing may keep growth manageable without excessive disruption.

Maintain steady ventilation around the canopy and avoid prolonged moisture around dense floral growth. A consistent environment is preferable to sharp swings in temperature or humidity. The listed indoor yield is up to 550 g/m² under favourable conditions, but harvest weight varies with phenotype, equipment, skill and environment. Browse more feminised seeds for alternative growing profiles.

Outdoor

Outdoors, plants may grow up to 210 cm when given ample root space, sunlight and a suitable season. A sheltered position with direct sun and freely draining soil can support robust growth. Branch support may be useful as flowers gain weight, particularly in windy sites. Regular canopy checks help identify crowded or damp areas before they become difficult to manage.

The listed outdoor yield is up to 700 g per plant in favourable circumstances. This figure is a reference rather than an assured outcome, as weather, soil, plant size and seasonal timing all influence performance.

Harvest

Australian outdoor harvest generally falls between March and May. Timing can shift by latitude, spring planting date and local autumn conditions. Rather than relying only on the calendar, observe floral development, resin maturity and plant condition. Indoor growers can use the 8–10 week flowering estimate as a guide while assessing each phenotype individually. Finished flowers may express earthy sweetness, berry colour and floral detail, with pine and lime adding a fresh edge.