Plant type: Perennial. Ideal Conditions: Medium moisture and well-drained soil. Tips for Use: Plant as ground cover, borders, cottage garden or container. Zone: 4 to 9. Growth: Height: 12 to 18 inches. Spread: 12 to 24 inches. Ornamental Feature: Showy clusters of bright violet purple cup-shaped flowers from late spring to mid summer. Foliage turns crimson in fall. Tags: Full Sun/Partial Shade. Care & Maintenance: Trim at any time to control spread and shape. During hot weather prune back to rejuvenate for late summer rebloom.