Viola riviniana Purpurea Group
Attractive ground cover for path edges, rock gardens, pots, or moist part shade under trees. Forms clumps of purple-tinged leaves with small mauve-purple flowers in spring and autumn, and sometimes all through summer too where the summers are not so hot. Flowers are edible and young leaves can be used in salads or to make a tea. Frost hardy, prefers some moisture. Height 20cm when in flower. 9cm pot.