Anna Wilcox

There is no exact or official number. Cannabis strains are constantly being created, renamed, crossbred, and reclassified, making the total impossible to pin down. While experts estimate there are thousands of marijuana strains worldwide, the number keeps growing as breeders develop new genetics and dispensaries introduce new varieties to market. In this guide, we explain why no definitive count exists, how marijuana strains are classified, and what consumers should actually focus on when choosing cannabis.