Perennial Herb: Drought tolerant. Deer & gopher resistant. Good cut flower, border, rock garden, low hedge and edging plant. Aromatic foliage. Attracts cats, bees, butterflies and hummingbirds. Bloom time: summer-fall. Bloom color: lavender blue. Height: 3 feet. Exposure: sun. Water: moderate/dry. USDA Z3. (syn. N. gigantea 'Six Hills Giant').