Sour Diesel Auto Seeds

Sour Diesel Auto brings the sharp, fuel-forward personality of Sour Diesel into an autoflowering format. Its lineage combines Sour Diesel-derived photoperiod genetics with ruderalis influence, producing plants that flower according to age rather than a change in light hours. Kiwi Seed Bank presents this intermediate-level option for growers seeking compact plants, a relatively quick cycle and boldly pungent aromas.

Genetics & effects

The profile is approximately 60% sativa and 40% indica, with listed THC levels of 15–23% and CBD of 0.1–0.7%. Individual experiences vary, but some people describe the character as energetic, euphoric and uplifting at first, followed by a happier, more relaxed feel. Potency and subjective effects can differ according to the plant, environment and individual.

Limonene, beta-caryophyllene and myrcene contribute to a layered aromatic profile. Diesel and sour notes lead, supported by citrus, lemon, earth, herbs and a lingering pungency. Growers who favour strong, unmistakable aromas may find this a memorable choice.

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

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

Growing in New Zealand

New Zealand conditions vary considerably between northern, central and southern regions. Sour Diesel Auto is best matched with temperate or hot, dry settings, although shelter and environmental control can broaden its suitability. Spring planting in New Zealand generally falls between September and November. Because autoflowers develop on their own timetable, the actual finish date depends strongly on sowing time and local conditions.

Choose a bright position with free-draining media and steady airflow. Avoid prolonged saturation around the roots, and watch humidity closely in coastal or high-rainfall districts. Its intermediate difficulty rating reflects the value of consistent environmental management rather than frequent intervention.

Indoor

Indoors, plants are listed at around 60–100 cm, making them manageable where vertical room is limited. A stable light schedule, gentle airflow and sufficient space between plants can support even development. Avoid major disruptions once flowering begins, as the short lifecycle gives plants limited time to rebound.

Indoor flowering is listed at approximately 8–9 weeks, with potential yields of up to 400 g/m². These figures are indicative only. Lighting, root volume, temperature, humidity and grower experience all influence the final outcome. Odour control may be worth considering because diesel and sour aromas can become pronounced.

Outdoor

Outdoors, Sour Diesel Auto may reach approximately 80–160 cm. Use a sunny, discreet location protected from strong wind and prolonged rain. In humid areas, open spacing and good air movement can reduce the risk of mould. Containers offer flexibility when plants need to be moved away from severe weather.

Potential outdoor production is listed at up to 170 g per plant, though New Zealand’s regional temperatures, rainfall and daylight patterns can create substantial variation. Autoflowering plants may finish earlier than traditional seasonal varieties, particularly when started in spring.

Harvest

New Zealand’s broader outdoor harvest period is typically March to May, while spring-sown autoflowers can be ready sooner because of their shorter lifecycle. Assess plant maturity rather than relying only on a calendar. Handle flowers carefully, maintain clean equipment and use a dry, ventilated post-harvest space to preserve aroma and colour. All heights, timings, cannabinoid levels and yield figures are estimates rather than assured outcomes.