Light Cycle Dependent
Light Cycle Dependent refers to cannabis plants whose flowering initiation and progression are strictly regulated by photoperiod—the ratio of light to dark hours. These cultivars require specific day-length thresholds (typically 12 hours of uninterrupted darkness) to transition from vegetative growth to bloom, a trait inherited from wild Cannabis sativa ancestry in equatorial and temperate regions. Traditional photoperiodic lines contrast sharply with autoflowering genetics, which flower based on age rather than light schedule. Understanding light-cycle dependency is fundamental to breeding programs targeting specific geographic adaptation, flowering timing, and yield characteristics. Most heirloom and landrace strains exhibit this trait, making it a cornerstone of classical breeding frameworks.
Light Cycle Dependent strains
No strains tagged into Light Cycle Dependent yet — they'll appear here as breeders submit lineage records under this family.
Light Cycle Dependent refers to cannabis plants whose flowering initiation and progression are strictly regulated by photoperiod—the ratio of light to dark hours. These cultivars require specific day-length thresholds (typically 12 hours of uninterrupted darkness) to transition from vegetative growth to bloom, a trait inherited from wild Cannabis sativa ancestry in equatorial and temperate regions. Traditional photoperiodic lines contrast sharply with autoflowering genetics, which flower based on age rather than light schedule. Understanding light-cycle dependency is fundamental to breeding programs targeting specific geographic adaptation, flowering timing, and yield characteristics. Most heirloom and landrace strains exhibit this trait, making it a cornerstone of classical breeding frameworks.
Breeders maintain light-cycle dependent lines to preserve regional terroir expression, extend breeding seasons through controlled indoor photoperiod management, and create crosses with predictable flowering windows. Stabilizing photoperiodic traits allows multi-generation selection for cannabinoid profiles, plant architecture, and climate resilience without the genetic constraints of autoflowering
Educational reference · Cultivar metadata only · No medical claims