Cannatonic Seeds

Genetics & effects

Cannatonic feminised seeds bring together G13 Haze × MK Ultra in a balanced photoperiod hybrid listed as 50% sativa and 50% indica. Outback Seed Bank presents this variety for growers seeking manageable stature, moderate flowering times and a distinctive terpene profile. Catalogue figures indicate approximately 3–5% THC and 8–17% CBD, although cannabinoid expression can vary with phenotype, environment and harvest timing.

Myrcene, alpha-pinene and beta-caryophyllene contribute to a flavour profile commonly described as citrus, earthy and pine-like. Individual experiences are subjective, but some people describe the overall character as calming, relaxed and happy, with moments of focus or gentle euphoria. Aroma, flavour and perceived effects may differ between plants and settings.

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

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

Growing in Australia

Cannatonic is rated for intermediate growers and can suit hot, dry, temperate and cooler short-season climates. In Australia, photoperiod plants are generally started during spring, from September to November, so they can develop through the longer days before flowering as daylight hours shorten. Local conditions vary widely, making airflow, sun exposure, moisture levels and seasonal timing important considerations.

Its relatively compact frame can help where space is limited. Feminised seed is intended to produce female plants more consistently, though natural variation remains possible. Observe each plant’s structure and vigour rather than expecting every seed to grow identically.

Indoor

Indoors, Cannatonic may reach up to 100 cm and has a catalogue yield of up to 500 g/m². Flowering is typically listed at 8–10 weeks. A stable light cycle, fresh air exchange and balanced humidity support steady development. Light training and an even canopy may help manage vertical growth and distribute light across flowering sites.

• Allow enough room between branches for air movement.
• Use clean equipment and avoid prolonged moisture around flowers.
• Support heavier branches if flower weight increases late in bloom.

Because this variety can form dense flowers, regular inspection is useful for identifying humidity issues early and reducing mould risk. Yield and height figures are guides rather than fixed outcomes.

Outdoor

Outdoors, plants may reach up to 120 cm, with listed yields of up to 450 g per plant. Choose a position with good direct sun, drainage and protection from extreme wind. In humid or rainy districts, wider spacing and a breezy location can help reduce moisture accumulation. In hot, dry areas, consistent irrigation and a suitable mulch layer can help maintain stable root-zone conditions.

For cool, short seasons, an early spring start and careful site selection may give plants more time to establish. Watch local weather as flowering progresses, particularly during extended wet periods or sudden cold snaps.

Harvest

Australian outdoor harvest commonly falls between March and May. Actual timing depends on latitude, spring planting date, phenotype and seasonal conditions. Assess flower maturity across several sites on the plant rather than relying only on the calendar. Indoor crops are generally ready after the listed 8–10-week flowering window, but plant appearance should guide the final decision.

Handle mature flowers carefully, remove excess leaf material and use a clean, ventilated space for post-harvest drying. Slower, even drying can help retain Cannatonic’s citrus, pine and earthy qualities while limiting unwanted moisture.