Stratification
Stratification refers to the practice of subjecting cannabis seeds to a period of cold, moist conditions to break dormancy and improve germination rates. This process mimics the natural winter conditions seeds experience in temperate growing regions, where cold exposure triggers metabolic changes that prepare the embryo for sprouting. Breeders and seed producers working with landrace genetics or heirloom lines often employ stratification to increase germination consistency and vigor. The technique typically involves refrigeration at 1–4°C for 2–4 weeks in damp media. Stratification is particularly relevant for seeds with thick seed coats or strong dormancy traits inherited from parent genetics adapted to seasonal climates.
Stratification strains
No strains tagged into Stratification yet — they'll appear here as breeders submit lineage records under this classification.
Stratification refers to the practice of subjecting cannabis seeds to a period of cold, moist conditions to break dormancy and improve germination rates. This process mimics the natural winter conditions seeds experience in temperate growing regions, where cold exposure triggers metabolic changes that prepare the embryo for sprouting. Breeders and seed producers working with landrace genetics or heirloom lines often employ stratification to increase germination consistency and vigor. The technique typically involves refrigeration at 1–4°C for 2–4 weeks in damp media. Stratification is particularly relevant for seeds with thick seed coats or strong dormancy traits inherited from parent genetics adapted to seasonal climates.
Breeders use stratification data to select for reliable germination in seed production programs and to assess dormancy traits in genetic lines. Understanding a strain's stratification requirements helps optimize breeding workflows and ensures stable seed viability across generations.
Educational reference · Cultivar metadata only · No medical claims