Sweet Tart is a hybrid marijuana strain made by crossing Afghani, Purple Thai, and ATF. This strain produces quick-hitting effects that instantly relax the consumer into a state of euphoria. Sweet Tart features an earthy flavor profile with mild hints of berries and spice.According to growers, this strain comes in tall and curly green foliate with lime green accents. Sweet Tart was originally bred by Twisty Seeds.