Buy Four20 | Blueberry Gelato | Flower. Blueberry Gelato is an indica dominant hybrid strain (70% indica/30% sativa) created through crossing the potent Thin Mint Girl Scout Cookies X Blueberry strains. An amazingly delicious bud with tingly, arousing effects, Blueberry Gelato is the perfect evening strain to help you settle down and get ready for action.