Colombian Gold Auto Seeds

Genetics & effects

Colombian Gold Auto is a feminised autoflower built from Colombian Gold crossed with ruderalis genetics. Its profile is approximately 75% sativa and 25% indica, pairing classic sativa-leaning character with a growth cycle that begins flowering according to plant maturity rather than changing daylight hours.

THC is listed at 18–24%, while CBD is listed at 0–0.5%. Individual experiences vary, but users may describe the effect as uplifting, energetic and creative. The aromatic profile can bring together sweet berry, earthy spice, skunk, pine and bright lime. Myrcene, limonene, pinene and caryophyllene contribute to this layered mix of fruit, citrus, forest and pepper notes.

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

This is an intermediate-level option suited to hot, dry and temperate Australian conditions. As an autoflower, it can offer more scheduling flexibility than a photoperiod variety, although stable conditions remain important. Keep plants away from prolonged humidity, allow good airflow through the canopy and avoid repeatedly disturbing the root zone.

For outdoor cultivation, spring planting generally falls between September and November. Local conditions differ considerably across Australia, so growers should account for heatwaves, coastal humidity, cool nights and seasonal rainfall. Explore more autoflower seeds when comparing compact, maturity-led varieties in the Outback Seed Bank catalogue.

Indoor

Indoors, Colombian Gold Auto may reach up to 110 cm. A light, airy substrate and a final container with sufficient root space can help maintain steady development. Gentle canopy shaping early in the cycle may improve light distribution, but heavy or repeated training can cost valuable growth time because autoflowers move through their stages quickly.

• Indoor height: up to 110 cm
• Indoor yield: up to 600 g/m²
• Flowering period: approximately 8–10 weeks

Use consistent ventilation and monitor moisture around dense flower sites to reduce mould risk. Yield and timing figures are estimates rather than assured outcomes; lighting, environment, container size and grower experience can all influence the final result.

Outdoor

Outdoors, plants may reach up to 160 cm and produce up to 500 g per plant in favourable conditions. Choose a sunny position with free-draining soil and some protection from severe wind. In hotter regions, regular moisture monitoring is useful, while humid locations benefit from wider spacing and good air movement.

The sativa-leaning structure can stretch more outdoors than indoors. Support may be useful as flowers gain weight, particularly where storms or strong winds are common. Check plants after rain and remove damaged plant material promptly to reduce mould risk.

Harvest

Outdoor harvest in Australia commonly falls between March and May, though autoflower timing also depends on the individual sowing date and local climate. The listed 8–10 week flowering window is a guide, not a full seed-to-harvest promise. Assess flower maturity directly and allow enough time for the expected colour, aroma and resin development to emerge.