An outstanding perennial for any garden or planting with long-blooming and maintenance-free traits, 1992 Perennial of the Year :: » Blooms early to late summer (June-August) » Flowers are lemon-yellow, foliage is ferny and medium green » Prune foliage back after blooming to promote new growth and repeat blooms » Tolerates full sun, or half-day shade » Grows 12-18", spreads 24-30" » Hardiness zones 4-9 » premium 3.5" pot (1.63pt / 770mL)