Perennial Herb: Deer resistant. Long blooming ground cover that spreads quickly to fill beds. Also good rock garden, edging & border plant. Blooming from late spring through the summer with short spikes of violet-blue flowers. Nice under shrubs. Old World plant traditionally used to treat skin injuries & other maladies. Attracts bees & butterflies. Size: 6-8" x 18-24". Exposure: sun/part shade. Water: mod.-moist. Tolerant of clay. USDA Z4.