Perennial: Evergreen. The Halo series are hardy, heat tolerant and long lasting in the garden. Nice rock garden, ground cover, border, container, cut flower and bedding plant. Attracts butterflies. Abundant flowers from spring-fall. Bloom color: rich golden yellow. Height: 8-10 inches. Width: 10-12 inches. Exposure: sun/part shade. Water: moderate. Shade and drought tolerant. USDA Z4-9. PP #30,900