Perennial Herb: Drought, deer & gopher tolerant. Good cut flower, border, rock garden, low hedge & edging plant. Attracts cats, bees, butterflies & hummers. Large mounds of gray-green aromatic foliage. Long blooms from summer-fall. Color: large periwinkle blue. 15-18". Sun/part shade. Water: moderate/dry. USDA Z3. (syn. N. x faassenii 'Walker's Low')