The Coreopsis Double Sunburst, 'Coreopsis lanceolata', is very easy to grow and it has a long blooming period. Coreopsis are quick to come up, early to bloom, and "free flowering", meaning they bloom until first frost. They are relatively drought tolerant and it is a great plant for the wildflower patch. The semi-double yellow flowers are 2 to 3 inches across and are set on slender wiry stems. Cut the spent flowers regularly to increase flowering.
The Double Sunburst Coreopsis prefers well drained soils and it does an excellent job in any kind of soils including poor soils. Spring planting is best for this flower. Plant after the last spring frost. Coreopsis is useful as a plant that requires little care. It is excellent for naturalized areas and rock gardens. The flowers make excellent long-lasting dried flowers.