Durban Poison Seeds

Genetics & effects

Durban Poison is a 90% sativa, 10% indica cultivar based on South African landrace genetics, although modern commercial lines may show a small amount of indica influence. This feminised selection is listed by Kiwi Seed Bank for growers seeking vigorous sativa development without the need to identify male plants.

THC is typically listed at 15–20%, with CBD around 0.1–0.4%. Individual experiences vary, but Durban Poison is often described as energetic, uplifting and euphoric, with a focused or creative feel. Its flavour profile brings together sweet spice, earthy depth, citrus and pine. Terpinolene, myrcene, ocimene and beta-caryophyllene contribute to its distinctive aromatic character.

Explore feminised seeds, high thc seeds, the New Zealand grow guide, and the planting calendar.

Explore feminised seeds, high thc seeds, the New Zealand grow guide, and the planting calendar.

Growing in the named country

In New Zealand, Durban Poison is best matched with warm, bright conditions and good airflow. Its long sativa growth can suit hot, dry or temperate areas, but regional weather varies considerably. Outdoor planting commonly begins during spring, from September to November, once cold snaps have passed and daylight is increasing.

This is an intermediate-level option. Growers should allow for vertical growth, monitor humidity and provide enough space between branches to reduce the risk of mould. Coastal humidity, strong winds and cool nights may require additional planning. Browse more feminised seeds when comparing formats for a New Zealand garden.

Indoor

Indoors, plants may reach up to 130 cm. Early canopy shaping and branch training can help use available space while keeping growth even beneath the lights. A flowering period of approximately 9–11 weeks is typical, though plant expression and room conditions can shift the schedule.

• Provide steady airflow around and beneath the canopy.
• Allow headroom for the flowering stretch.
• Keep humidity balanced as flowers gain density.
• Potential indoor yield is listed at up to 450 g/m².

Yield figures are reference points rather than promises. Lighting, environment, plant health and grower experience all influence the final result.

Outdoor

Outdoors, Durban Poison may reach up to 200 cm where roots have room and sunlight is plentiful. A sunny, sheltered position can support its tall frame, while stakes or ties may help branches handle wind and later flower weight. In wetter districts, an open canopy and generous spacing can improve airflow and reduce the risk of mould.

Potential outdoor yield is listed at up to 700 g per plant. Actual performance depends on seasonal warmth, sunlight, soil, container size and local conditions. Its sweet, spicy and pine-led aroma can become noticeable during flowering, so site selection deserves consideration.

Harvest

For New Zealand’s southern-hemisphere calendar, outdoor harvest generally falls between March and May. Timing can differ by latitude, planting date and seasonal weather. Look for slowed new flower growth, swollen floral clusters and mature trichome development rather than relying on a calendar date alone.

Durban Poison remains a favourite among growers drawn to classic sativa form, lively subjective effects and layered sweet-citrus spice. Careful environmental control and patience through its 9–11-week flowering window will help the plant express its characteristic colour, aroma and structure.