Old School Breeders Association, Monster Breeders, and Reeferman Genetics offer a wide range of fine cannabis seeds in a price range that can suit any budget. You shouldn’t have to spend more to get some of the best the world has to offer. Some strains are more challenging to create and in high demand, but every one of our selections is sure to please. Exceptional value has been a keystone in growing our loyal customer base. Just one of the reasons growers come back again. Adding new varieties to their medicinal gardens, whether growing indoors, in a greenhouse or outdoors.
Guaranteed World Delivery
Knowledgeable Service
+90% germination
+60% female seeds
Old School Breeders Association, Monster Breeders, and Reeferman Genetics™ have been delivering on their promise of only the best cannabis seeds to thousands of growers for decades. We are real growers with a passion for developing and breeding only the finest medicinal cannabis genetics. OSBA offers a wide range of genetics, from exotic land race Sativas to Extreme Potency Kush strains to High CBD selections — with a huge offering of excellent creations on everything in between.