Perennial: The Celestial series was bred for beauty, fragrance, cold & heat tolerance, & floriferous quality! Gorgeous blooms are 1.5" in diameter & attract bees & butterflies. Nice rock garden, border, container, patio, cut flower, & bedding plant. Blms: fall-spring. Bloom color: violet purple & yellow bi-color. Ht.: 5-8". Sprd.: 8-14". Exp.: sun/pt shade. Water: moderate. USDA Z5-10. PP #24,591 (syn. V. x hybrida 'Northern Lights', 'Smev4')