Long Flowering Phenotype

Long flowering phenotypes are cannabis plants that require extended bloom periods—typically 10–14 weeks or longer—before reaching harvest maturity. This trait is commonly associated with certain landrace and pure sativa lineages, particularly those originating from equatorial or tropical regions where photoperiod shifts occur gradually. Long flowering plants often develop larger yields and more complex terpene profiles during their extended maturation cycle, though they demand greater resource investment and environmental control. Breeders working in this category select for delayed senescence and prolonged pistil development to explore secondary metabolite accumulation. Understanding flowering duration is essential for crop planning, as long-flowering cultivars require careful scheduling in controlled environments.

Breeders intentionally maintain long-flowering genetics to study extended secondary metabolite development and to create cultivars suited to specific growing calendars. This trait is often crossed with faster-finishing indicas to produce intermediate-duration hybrids balancing yield complexity and cultivation efficiency.