Perennial: The Penny Pro series was bred for performance. They offer uniformity, early flowering, heat tolerance, are tightly branched & non-stretching, overwinter well & have a vigorous root system. Nice rock garden, border, container, patio, cut flower, & bedding plant. Lightly fragrant. Blooms: fall-spring. Bloom color: bright yellow. Height: 4-6 inches. Width: 4-6 inches. Exposure: sun/part shade. Water: moderate. USDA Z4.