The legendary strain that launched a thousand Kush varieties, first cultivated from bagseed by Matt Berger in Florida and perfected by JoshD in LA. Users report long-lasting euphoria that shifts from giggly creativity to mellow focus. Expect bold diesel and citrus notes with earthy pine undertones. RSO, or Rick Simpson Oil, is named after a Canadian cancer patient turned cannabis activist. RSO is sometimes referred to as a "whole plant" or "full spectrum" extract because it retains the full cannabinoid, terpene, and chlorophyll profile of the source material by using specific solvents.