Blackberry Kush Seeds

Genetics & effects

Blackberry Kush is a feminised photoperiod cultivar combining Afghani and Blackberry genetics. Its profile is approximately 80% indica and 20% sativa, bringing together compact structure, broad foliage and richly coloured flowers. Under suitable conditions, the buds may show deep green, purple or near-black tones, often highlighted by bright pistils and a dense coating of resin.

The listed cannabinoid range is 16–20% THC with up to 0.5% CBD. Individual experiences vary, but the effects are often described as beginning with a euphoric, happy lift before developing into a heavier sense of relaxation and sleepiness. Its aromatic profile blends sweet berry notes with earthy, pungent diesel accents. Myrcene, caryophyllene and limonene are the prominent listed terpenes.

Blackberry Kush may appeal to growers seeking an approachable, compact option from the feminised seed collection. Outback Seed Bank presents this cultivar as a beginner-friendly choice, though plant performance still depends on environment, care and phenotype.

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

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

Growing in Australia

This cultivar can suit hot, dry areas, temperate regions and cooler districts with shorter summers. In Australia, outdoor planting commonly aligns with spring from September to November. Local temperatures, daylight, humidity and seasonal rainfall should guide timing rather than the calendar alone.

Its dense indica-style flowers benefit from consistent airflow and regular inspection, particularly when humidity rises. Shelter from prolonged rain and adequate spacing can reduce the risk of mould. In hotter districts, steady moisture management and protection from severe afternoon heat may help maintain even growth.

Indoor

Indoors, Blackberry Kush can reach up to 110 cm, making it practical where vertical space is limited. A balanced canopy allows light and air to reach developing flower sites. The flowering stage is listed at approximately 8–9 weeks.

Indoor yields are listed at up to 500 g/m². This figure is a reference point rather than an assured outcome, as lighting, root space, climate control, plant health and grower experience all influence the final result. Cooler night temperatures late in flowering may encourage stronger purple colour in some phenotypes.

Outdoor

Outdoor plants may grow to up to 130 cm and produce up to 600 g per plant in favourable conditions. Its moderate height can make routine inspection and seasonal management straightforward. Choose a position with ample sun, good drainage and enough space for air to move around the branches.

In cool or short-season locations, an early spring start may provide more time for development. Temperate and warm areas may offer a broader planting window, while exposure to heavy autumn rain should be considered when selecting a site.

Harvest

Australian outdoor harvest generally falls in autumn, from March to May, depending on latitude, planting time and seasonal conditions. Rather than relying only on dates, observe flower maturity, resin development and the plant’s overall appearance. Indoor harvest follows the listed 8–9 week flowering period, counted from the start of flowering.

At maturity, growers can expect a bold mix of berry sweetness, earth and fuel-like pungency. Careful drying and storage can help retain the cultivar’s favourite aromatic qualities and distinctive colour.