OG #18 is the sour diesel of the West Coast, and a good genotype of OG smells like pine, gas with a fresh scent of new tennis balls. This elite genotype of OG was bred by the internationally recognize Privata Seeds. Two .5g Pre-Rolls | Indica Cannabis flower is the smokable, trichome-covered part of a female cannabis plant. Pre-rolls are cannabis joints that have been rolled ahead of time for you.