Genetics: Blueberry x Haze Description: Blueberry Haze, a sativa-dominant hybrid originating in California, has achieved legendary status among West Coast strains. Crossing Blueberry with Haze, Blueberry Haze balances full-body relaxation with gentle cerebral invigoration. Effects: Novice and veteran consumers alike enjoy the level effects of Blueberry Haze, which ease you gently into a calm euphoria. With a sweet berry aroma redolent of its Blueberry parent, this plant delivers a calming high without heavy sedative effects.