Primus also called Primus OG is a complex indica strain that combines Arcata Trainwreck and 303 OG Each parent strain passes on something special to Primus Arcata with its creative activation Trainwreck with its longlasting euphoria and 303 OG with its sour fruit flavors This trifecta of duration fragrance and quality of high makes for a potent hybrid cherished by patients and recreational consumers alike