Grease OG is extremely rare, only making an appearance every few years to the general public. The exact genetics are unknown, but Grease OG has been said by many knowledgeable tokers that Grease OG is what every other OG aspires to. The flavor, an interesting mix between diesel fuel and sweet ginger, could suggest a genetic infusion from a “Fuel” family strain. The effects are very Indica dominant with appetite stimulant and sleep aid being the top two reasons patients medicate with Grease OG Strain. The high comes on very strong in the head with an intense sensation originating right behind the eyes. If Grease OG is spotted it is defintely worth picking up at your favorite collective. Growing Grease OG Marijuana Has Medical Benefits.