18 or over?

This cannabis seed website is intended for adults. Confirm your age to continue browsing.

No worries.

This site is for adults 18 and over. Come back when you're of age.

Outdoor macro photograph of the Mamba Negra CBD flower on a living plant
feminised cbd Intermediate

Mamba Negra CBD Seeds

Mamba Negra CBD feminised seeds offer a balanced 50/50 profile, with earthy, sweet, floral and berry flavours and an 8–10 week flowering period.

Pick a pack
Grows well in: For Australian outdoor gardens, sowing or planting commonly falls in September–November, with harvest typically expected from March–May depending on latitude and local conditions.

Specifications

Indica / Sativa 50 / 50
THC0–1%
CBD10–20%
Flowering8–10wk
Difficulty Intermediate
Genetics
Critical Mass × Skunk × Painkiller XL
Climate
Hot dry · Temperate · Cool short season
Height indoor
up to 170 cm
Height outdoor
up to 210 cm
Yield indoor
up to 550 g/m²
Yield outdoor
up to 700 g/plant

Effects

relaxedcalmingsleepyupliftingcreative

Flavours

earthysweetfloralberrypinelime

Terpenes

myrcenecaryophyllenepinenelimonene

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.

Frequently asked questions

What THC and CBD ranges are listed for Mamba Negra CBD?

The reviewed specification lists 0–1% THC and 10–20% CBD. These figures describe the catalogue profile; phenotype, environment and testing can change measured levels.

How long does Mamba Negra CBD take to flower?

The listed flowering window is 8–10 weeks. Actual timing can vary with phenotype and growing conditions, so use the range as a planning reference rather than a guarantee.

Which Australia conditions suit Mamba Negra CBD?

The reviewed profile lists hot and dry, temperate and cool, short-season conditions and a intermediate difficulty rating. Local daylight, weather, site exposure and care still influence how a plant develops.

What seed format and genetics does Mamba Negra CBD have?

Mamba Negra CBD is supplied as feminised seed and combines Critical Mass, Skunk and Painkiller XL genetics, with a 50% sativa and 50% indica balance.

What aromas, flavours and terpenes are associated with Mamba Negra CBD?

Its profile includes earthy, sweet, floral, berry, pine and lime notes, with myrcene, caryophyllene, pinene and limonene listed as terpenes.

How tall can Mamba Negra CBD plants grow?

The reviewed specifications list heights of up to 170 cm indoors and up to 210 cm outdoors.

Cannabis plant beside grapevines in a dry hilltop garden under bright Australian sunlight

Growing Cannabis in South Australia: Mediterranean Conditions

A climate-focused overview of growing cannabis in Adelaide and regional South Australia, covering Mediterranean conditions, seasonal variability, spring planning and responsible legal research.

Dense Outback OG-style cannabis cola beside red desert soil and spinifex grass in warm late-afternoon sun

Outback OG: The Strain Selected for Australian Conditions

Meet Outback OG, an OG-style cannabis strain selected with Australian growers in mind.

Two autoflower cannabis plants at different growth stages on a deck in bright Australian summer light

Autoflowers in Australia: Two Harvests in One Summer

A two-cycle autoflower summer may be possible in parts of Australia when short lifecycle cultivars, suitable weather and an early start align.

Compact frosty Northern Lights cannabis plant glowing in the Australian dusk

Growing Northern Lights in Australia: Strain Guide

Northern Lights is a compact, indica-dominant cannabis variety suited to controlled indoor spaces and warm, sheltered outdoor sites.