Tetra Express Seeds

Genetics & effects

Presented in the Outback Seed Bank catalogue, Tetra Express is a feminised photoperiod hybrid bred from Future #1 and Sunset Sherbet. Its listed 50% sativa and 50% indica balance combines vigorous growth with a manageable structure. Plants may reach approximately 120 cm indoors or 180 cm outdoors, depending on conditions, container size and training.

THC is listed at 25–35%, with CBD at 0–1%. Individual experiences vary, but some adults describe the character as creative, energetic and euphoric at first, followed by a more settled sense of relaxation. Its aromatic profile may suggest ripe mango, sweet vanilla, floral accents, mixed fruit and bright lemon. Limonene, myrcene and linalool are the principal listed terpenes.

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

Tetra Express is considered an intermediate-level option suited to temperate and hot, dry Australian climates. Consistent watering, good airflow and careful observation are valuable, especially when plants move from vegetative growth into flowering. Avoid keeping the root zone continually wet, and allow enough spacing for light and air to reach the inner canopy.

For an outdoor cycle, spring planting generally falls between September and November. Local temperature, rainfall, daylight and exposure can influence development, so growers may need to adjust timing to their immediate conditions. In humid districts, open branching and shelter from prolonged rain can reduce the risk of mould around dense flowers.

Indoor

Indoors, Tetra Express has a listed flowering period of approximately 8–10 weeks. Its height can reach up to 120 cm, making early canopy planning useful. Low-stress training, selective pruning and an even light footprint may help maintain a level canopy without placing unnecessary strain on branches.

• Indoor yield: listed at up to 600 g/m²
• Indoor height: up to 120 cm
• Flowering: approximately 8–10 weeks

Stable temperatures and steady air movement are preferable to abrupt environmental changes. As floral mass develops, support may be useful for heavier branches. Aroma can become pronounced late in flowering, with fruity and vanilla notes often sitting over lemon and floral tones.

Outdoor

Outdoors, plants may reach up to 180 cm and produce a listed yield of up to 700 g per plant in favourable conditions. A sunny position, free-draining soil and adequate room for lateral growth suit this hybrid’s potential size. In hot, dry weather, mulch may help moderate soil moisture, while watering near the root zone keeps excess moisture away from flowers.

• Outdoor yield: listed at up to 700 g per plant
• Outdoor height: up to 180 cm
• Preferred climates: temperate or hot and dry

Harvest

Australian outdoor harvest commonly falls from March to May. Rather than relying on the calendar alone, assess flower maturity, aroma, trichome appearance and overall plant condition. Indoor plants are typically ready after their 8–10-week flowering window, though phenotype and environment can shift timing. Reported heights, cannabinoid levels and yields are reference figures rather than assured outcomes.