A must-have for any garden, 1999 Perennial of the Year :: » Blooms mid summer to early fall (July-September) » Flowers are golden-yellow with a brown center cone, foliage is deep green » Prune foliage back after blooming to promote new growth and repeat blooms » Tolerates full sun, or half-day shade » Grows 18-24", spreads 30-36" » Hardiness zones 4-10 » premium 3.5" pot (1.63pt / 770mL)