Strain lineage: Double Rainbow is a hybrid cross of Rainbow Cookies and Purple Hulk. Flavor and aroma: It has a complex, dessert-like flavor, with notes of sweet berries, rich cake, nutty cookies, and a touch of spice. The aroma is often described as a sweet, fruity cookie with skunky and herbaceous undertones. Dominance: Indica-dominant (80% indica, 20% sativa). Effects: Double Rainbow is known for its relaxing, indica-heavy effects, which include a building sense of euphoric ease and a potent body high that can lead to "couch-lock".