Purple Kush Auto Seeds

Purple Kush Auto is a feminised autoflower that combines Purple Kush × ruderalis genetics in a compact, mostly indica profile. Presented in the Outback Seed Bank catalogue, it is aimed at growers seeking a straightforward plant with rich colour potential, sweet fruity aromas and a relatively short flowering window. Listed figures are practical guides rather than assured outcomes, as environment and grower technique can influence every crop.

Genetics & effects

The genetic balance is listed as approximately 80% indica and 20% sativa. THC is estimated at 15–20%, with CBD listed below 1%. Myrcene, caryophyllene and limonene contribute to an aromatic profile commonly described as sweet, fruity and gently earthy.

Individual experiences vary, but some adults may perceive the effects as calming, happy and physically relaxed. The mostly indica character may feel especially suited to quiet evenings, slow-paced activities or simply settling into a favourite chair. Potency and personal response can differ, so these descriptions should be understood as subjective impressions only.

Explore autoflower seeds, high thc seeds, the Australian grow guide, and the planting calendar.

Explore autoflower seeds, high thc seeds, the Australian grow guide, and the planting calendar.

Growing in Australia

As an autoflower, Purple Kush Auto begins flowering according to age rather than a major change in daylight hours. Its beginner difficulty rating and moderate proportions can make it approachable for newer growers, while experienced cultivators can refine lighting, airflow and nutrition to suit their setup.

Australian conditions vary substantially by region. Temperate and hot, dry climates may suit this variety, although intense heat, heavy rain and coastal humidity still require attention. Aim for steady airflow, avoid persistently saturated growing media and monitor dense flowers for excess moisture. Local conditions should guide the timing and level of protection provided.

Indoor

Indoors, plants may reach up to 100 cm, making them manageable in many compact spaces. Gentle low-stress shaping can help distribute the canopy without placing excessive pressure on an autoflower’s fixed lifecycle. Consistent lighting and a stable root-zone environment are generally preferable to frequent major adjustments.

• Flowering estimate: 8–10 weeks
• Indoor height: up to 100 cm
• Indicative yield: up to 300 g/m²
• Best focus: airflow, canopy spacing and measured nutrition

Purple colour may become more visible as flowers mature, though expression depends on phenotype and environmental conditions. Maintain space between branches and remove stagnant pockets of air to reduce mould risk.

Outdoor

Outdoors, spring planting in Australia falls between September and November. Autoflowering plants can be started within this period when nights are mild and sufficient direct sunlight is available. In favourable conditions, outdoor height may reach up to 150 cm, with listed yields of up to 600 g per plant.

Choose a position with strong light, free-draining soil or growing media, and shelter from damaging wind. In hot, dry districts, mulch and thoughtful irrigation can help moderate rapid moisture loss. In temperate or humid areas, wider spacing and rain cover during wet spells may reduce the risk of mould around developing flowers.

Harvest

Australia’s broader seasonal harvest period is March to May, although autoflowers may finish earlier depending on their start date and conditions. The listed 8–10 week flowering estimate is a guide, so assess maturity by observing flower development, resin coverage and changes in pistil colour rather than relying on the calendar alone.

Harvest in dry weather where possible. Handle flowers carefully, remove visibly damaged material and dry them in a dark, well-ventilated space with stable conditions. Final aroma, colour, density and yield will vary between plants and growing environments.