Earthshaker OG, also known as P.O. #3, is a variety of OG Kush from Progressive Options Genetics. The potent effects are known to creep up on you with a smooth and lengthy buzz. The buds express themselves in shades of green and smell like a mix of Skunk and sharp Cheese. The flavors produced by Earthshaker OG are earthy and hashy with notes of lemongrass and citrus.