|Blooms late spring to late summer|
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The manner in which each species presents its flowers indicates the nature of its habitat in the wild. Those with flowers held close to a mass of foliage are found in open woods and clearing. Those with flowers held high above the foliage on long stems are found in prairies and thickets--this formation allows the flowers to reach above grasses and other competing vegetation so that they may win the attention of pollinators.
Wonderfully low-maintenance yet high-performance plants, Coreopsis grow in almost any well-drained soil, bloom like annuals, and make delightful cut flowers. All they need is lots of sun. Shear off the spent blossoms to keep more coming.