Sweetheart Blueberry - Trade Gallon Size(.667 Gallons of Soil) Trade gallon size blueberry bush! Get a jumpstart on your blueberry production!! Delicious Dark purple berries Height 6-8, width 6-8 when fully mature Zone 6-9. Cannot ship to California. Please notice that our shipping charges only occur one time for up to 5 items, so check out our other blueberry varieties for cross pollination, and our other lovely daylilies, flowers, and blackberries!