Care of the plant Coreopsis verticillata or Threadleaf Coreopsis |
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The genus Coreopsis, family Asteraceae, comprises about 100 species of perennial and annual plants, mostly native to America. Some species are: Coreopsis verticillata, Coreopsis tinctoria, Coreopsis gigantea, Coreopsis lanceolata, Coreopsis grandiflora, Coreopsis auriculata, Coreopsis elegans, Coreopsis coronata. Common names: Threadleaf Coreopsis, Whorled tickseed, Whorled Coreopsis. This species is native to North America. They are perennial rhizomatous plants that reach 90 cm (2.95 feet) in height. Opposite leaves are medium green. They produce abundant starry golden yellow flowers. They bloom during the summer and early fall. They are used on edges, in flowerbeds, in light undergrowth and in wild gardens. Coreopsis verticillata prefers full sun exposure but also grows in partial shade. They resist frost well. Although they can grow in sandy and rocky soils, they prefer a normal well-drained garden soil with coarse sand and containing organic matter (compost). Water regularly waiting for the substrate to be almost dry. They are drought resistant when established. Fertilize with compost in the fall. Prune faded flowers to encourage new flowers to appear and cut back the plant in late fall. They are plants resistant to the usual pests and diseases but they can be attacked by snails and slugs. They are propagated by division in the fall or early spring and by seed sown in the spring or fall. |
Images of the plant Coreopsis verticillata or Threadleaf Coreopsis |
 Coreopsis verticillata  Coreopsis verticillata |