Perennial: Texas native. Deciduous. A good border plant with sweet cup-shaped blooms from spring to fall. Shear in spring just before new growth begins. Attracts butterflies. Bloom color: yellow, 4 petaled. Height: 1.5 feet. Width: 2 feet. Exposure: sun/part shade. Water: moderate. USDA Z6. (syn. C. drummondii)