Perennial: Drought, deer & fire tolerant. Low maintenance, fast growing. Border, cut flower, ground cover, container & rock garden plant. Good on walls & between pavers. Attracts butterflies. Stands root competition. Loads of blooms spring thru fall. Bloom color: large semi-double lavender-mauve w/golden yellow centers. Upright, clump forming. Size: 18-24" x 18-24". Exposure: sun/light shade. Water: mod/dry. USDA Z5.