Lingonberry - Vaccinium vitis-idaea. Partridgeberries are internationally known as lingonberries. This relative of the cranberry family is a low mat forming evergreen shrub with tiny rounded leaves. These berries grow in the dry, acidic soils of Newfoundland and Labrador's barrens and coastal headlands. Their flowers have a pinkish hue in bud then turn white as they bloom in mid-June to mid-July. The flower ovaries gives rise to a single dark red berry ripening through September's frost. Tart in flavour they are high in vitamin C, tannin, anthocyanin, and antioxidants.