Perennial Grass: Evergreen. Drought & coast tolerant. Deer resistant. Fire retardant. Useful on banks & hillsides. Good for erosion control, containers, borders & rock gardens. Pest and disease free. Attracts butterflies. Foliage color: bright yellow. Bloom time: summer. Clump forming. Height: 10". Exposure: sun/part shade. Water: moderate. USDA Z5.