Old World Genetics

Old World Genetics refers to cannabis lineages with documented or claimed origins in traditional cultivation regions outside the Americas—primarily the Middle East, Central Asia, South Asia, and North Africa. These genetics often carry historical significance in breeding work, as they represent cannabis populations that evolved under specific environmental pressures for centuries. Breeders frequently reference Old World lines when developing drought-tolerant or heat-adapted cultivars, or when seeking genetic diversity from non-Western hemispheric ancestry. The term is primarily genealogical and reflects breeding records and oral history within the cannabis cultivation community rather than a rigorous taxonomic classification. Old World genetics have been instrumental in modern hybrid development, often crossed with New World (Americas-origin) lines to combine resilience traits with yield

Breeders working in this space leverage Old World genetics for environmental adaptation traits, particularly in heat and drought resistance. These lineages are also explored for genetic diversity goals and to preserve or document historical cultivation practices documented in non-Western cannabis breeding traditions.