Perennial: Semi-evergreen. Formerly known as Llysanthes grandiflora or floribunda. Nice mat-forming ground cover. Can be used in borders, between stepping stones or at a ponds edge. Like moist soil. Bog tolerant. Bloom time: spring-summer. Bloom color: violet blue. Ht: 2-3". Wt: 18-24". Exposure: sun-part shade. Water: moist. USDA Z7