Whorled Tickseed Plant Information
Whorled Tickseed grows in the following 18 states:Connecticut, District Of Columbia, Georgia, Kentucky, Maryland, Mississippi, North Carolina, South Carolina, West Virginia, Alabama, Arkansas, Florida, Massachusetts, New Jersey, New York, Ohio, Tennessee, Virginia
Coreopsis verticillata is a North American species of tickseed in the sunflower family. It is found primarily in the east-central United States, from Maryland south to Georgia, with isolated populations as far west as Oklahoma and as far north as Qubec and Ontario. The common names are whorled tickseed,whorled coreopsis, thread-leaved tickseed, thread leaf coreopsis, and pot-of-gold.
Coreopsis verticillata is an herbaceous perennial that grows 2-3ft (1-1m) tall and about 2ft (1m) wide, although as it spreads laterally by rhizomes, this width can be exceeded. The stems are wiry. The flower heads are up to 2in (51mm) across, and both the disc florets and ray florets are bright yellow. The flowers are produced abundantly in clusters from midsummer to fall.
Coreopsis verticillata can commonly be found in dry, thin woods and open pinelands, preferring sites with full sun exposure. It can tolerate drought, poor soil, extreme heat, and neglect.
Coreopsis verticillata and its horticultural cultivars are not difficult to grow and hence make good starter plants for beginners. They have a long flowering season and are relatively free from pests and diseases. They attract butterflies and are deer resistant. They can be grown in hanging baskets and containers (where irrigation will be necessary), or as border plants. Carolyn Singer, in "Deer in My Garden", reports that C. verticillata is a good companion plant with other summer-blooming perennials requiring similar conditions. The following notable cultivars have all gained the Royal Horticultural Society's Award of Garden Merit:-
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