Sour Diesel Seeds

Genetics & effects

Sour Diesel is a 70% sativa and 30% indica feminised hybrid with a famously sharp aromatic profile. Its background is commonly described as Chemdawg 91 crossed with Super Skunk, although the exact lineage remains disputed. Reported THC levels sit around 18–24%, with CBD generally listed at 0.1–0.4%; these figures are indicative and can vary with phenotype, environment and cultivation choices.

The aroma blends fuel-like diesel with bright citrus, pine and herbal notes. Caryophyllene, limonene and myrcene are among the terpenes commonly associated with this profile. Individual experiences differ, but consumers often describe the effects as energetic, uplifting, creative, focused and happy. The combination may feel lively and mentally engaging to some people, while others may experience it differently.

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 is best suited to growers with some prior experience. It can develop vigorous vertical growth and benefits from early planning, especially where space is limited. Hot, dry and temperate Australian conditions may suit it, provided plants receive adequate airflow and are monitored through changing weather.

For outdoor cultivation in the southern hemisphere, spring planting generally falls between September and November. Local temperatures, rainfall, daylight and site exposure should guide timing. Check the rules that apply in your location before making cultivation decisions; requirements differ between Australian jurisdictions.

Indoor

Indoors, Sour Diesel commonly reaches about 100–160 cm. Training and canopy management can help make use of available light while keeping its stretch manageable. A typical flowering period is approximately 9–10 weeks.

• Indicative yield: up to 500 g/m² under favourable conditions
• Difficulty: intermediate
• Key priorities: airflow, branch support and consistent environmental control

Keep humidity stable and allow space between branches to reduce mould risk. Its pronounced aroma may also influence ventilation planning. Yield figures are estimates rather than assured outcomes.

Outdoor

Outdoors, plants may reach roughly 180–300 cm where root space, sunlight and conditions allow. A warm, bright position can support its sativa-leaning structure, while shelter from prolonged rain and strong wind may help protect tall branches. Regular inspection is useful as flowers gain weight.

• Indicative yield: up to 600 g per plant in favourable settings
• Preferred conditions: hot, dry or temperate climates
• Plant structure: tall, vigorous and branchy

In humid districts, spacing, airflow and rain protection deserve extra attention. In hotter areas, watch moisture levels and avoid allowing the root zone to remain excessively dry.

Harvest

Australian outdoor harvest usually falls between March and May, depending on latitude, planting time, phenotype and seasonal weather. Rather than relying on a single calendar date, observe flower development and overall plant condition. Indoors, the stated 9–10 week flowering window provides a practical estimate, though individual plants may finish earlier or later.

Sour Diesel feminised seeds are presented as part of the Outback Seed Bank catalogue. Genetic expression, cannabinoid content, height, flowering time, colour and yield can all vary.