Chronic Seeds

Genetics & effects

Chronic is a feminised, indica-dominant photoperiod hybrid combining Northern Lights, Skunk and AK-47 genetics. Its profile is approximately 80% indica and 20% sativa, pairing broad-leaf structure with vigorous branching and substantial flower development. Published figures place THC at 15–20% and CBD at up to 0.2%, although cannabinoid levels can vary with environment, cultivation and testing.

The aroma leans earthy and pungent, with familiar skunk, sweet spice and a light citrus edge. Myrcene, beta-caryophyllene and limonene contribute to this layered profile. Experiences are subjective, but consumers commonly describe an initially happy, euphoric or uplifting impression that may settle into deep relaxation and a physically heavy finish. Personal experience can differ according to the individual and harvested flower.

Browse more feminised seeds and indica-dominant seeds in the catalogue presented by Outback Seed Bank.

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

Chronic suits intermediate growers who can manage its size, airflow and feeding through a vigorous photoperiod cycle. It is best matched with hot, dry or temperate Australian conditions. In the southern hemisphere, outdoor planting is generally planned for spring, from September to November, once local temperatures are reliably suitable. Always consider local conditions and applicable rules before growing.

This cultivar can respond well to consistent light, moderate nutrition and enough root space. Its dense flowers make airflow and humidity management important, particularly during late flowering. Regular observation, sensible spacing and shelter from prolonged rain may reduce the risk of mould.

Indoor

Indoors, plants may reach up to 140 cm, depending on container size, lighting, vegetative time and canopy management. The flowering phase is typically listed at 8–9 weeks. Gentle training and an even canopy can help light reach productive sites while keeping vertical growth manageable.

• Flowering: approximately 8–9 weeks
• Indoor height: up to 140 cm
• Potential yield: up to 600 g/m² under favourable conditions

Allow room between branches and maintain steady air movement around the canopy. Avoid abrupt environmental swings, as stable temperature and humidity generally support more consistent development.

Outdoor

Outdoors, Chronic can become a large plant, potentially reaching up to 300 cm where the season, soil volume and sunlight permit. A sunny position with well-draining soil is preferable. Taller plants may benefit from structural support as flowers gain weight, especially in exposed or windy gardens.

• Preferred climates: hot, dry and temperate
• Outdoor height: up to 300 cm
• Potential yield: up to 900 g per plant in favourable settings

Harvest

Australian outdoor harvest generally falls from March to May. Exact timing varies by latitude, planting date, seasonal weather and the plant’s development. Check flower maturity rather than relying only on a calendar. Indoors, harvest follows the listed 8–9 week flowering period, with final quality and quantity shaped by the full growing environment. Yield and height figures are maximum guide values rather than assured outcomes.