Blueberries are a widely distributed and widespread group of perennial flowering plants with blue or purple berries. They are classified in the section Cyanococcus within the genus Vaccinium. Vaccinium also includes cranberries, bilberries, huckleberries and Madeira blueberries.. Commercial blueberries—both wild (lowbush) and cultivated (highbush)—are all native to North America. It is the juice made out of any of these varieties. Our juice is clear without seeds.