Old School Strains Classic Cannabis Genetics Old school strains can be the very best strains, especially in terms of potency and yield potential. Classic cannabis genetics like Columbian, Afghan, Mexican, South African, Thai, Indian and other land race strains are the building blocks of modern cannabis genetics. Unfortunately, over the last decade or two, there has been a copious amount of pollen chucking occurring, i.e. unskilled breeding projects. For… Read More »