Perennial: Unique among its species, this is the first 'true-blue' Verbascum. Won an award at the 2011 Chelsea Flower Show. Drought tolerant. Graceful towers of saucer-shaped blooms are a great background to low plants. Good edging, border or cottage garden plant. Excellent cut flower. Attracts butterflies. Blooms: spring-summer. Bloom color: clear blue. Ht: 24-30". Sprd.: 12-18". Exp.: sun. Water: moderate/dry.