Perennial: A rock garden, low border plant that is like thyme in its growth. The fragrant foliage can be used in herbal teas. Attracts bees, likes lime soil. In summer spike-like whorls carry 3-8 bright violet-purple flowers with white marks on the lower lips. Size: 4-8" x 6-12". Exposure: full sun. Water: moderate. USDA Z4-9.