Threadleaf coreopsis of some of the most loved perennials because they are so easy to grow and never fail to reward with masses of flowers. Zagreb is no exception with its masses of bright golden-yellow flowers from early through to late summer months. It's a tough, long-lived perennial with an extended bloom period and tolerant of poor environmental conditions. The flower that won't give up.

Plant in mixed landscape borders, patio containers and cut flower gardens.