Violet ‘Rebecca’ flowers from May through October if the plants are cut back after their first bloom cycle. I think this one is gorgeous. White blooms with a yellow flush in the center, and THEN flecked with edges of deep purple. Mature Height is 8 to 10 inches. Mature Spread is 8 to 10 inches. Plant in Full Shade to Partial Shade. For Zones 5-8.