Perennial: Deciduous. Drought, deer, fire, heat, bog & coast tolerant. Clump forming. Good cut flower, border, edge, container, rock garden & ground cover plant. Attracts butterflies & hummingbirds. Edible flowers. Bloom time: summer-frost, reblooms. Bloom color: lemon yellow with a strong citrus scent. Height: 12-18 inches. Width: 15-24 inches. Exposure: sun/part shade. Water: moderate. USDA Z3-9.