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Coreopsis - Tickseed - Perennial Flower For Your Garden © 2006Visit Our Online Store.For Perennials and Perennial Seed |
Coreopsis Zagreb Pictured Coreopsis verticulata Coreopsis lanceolata Coreopsis grandiflora Coreopsis auriculata Family - Asteraceae Tickseed Hardy to USDA Zone 4. Full sun Coreopsis is a large genus of perennial garden plants which are very popular with gardeners. There are well over a hundred cultivars and the list grows each year. There are four species of which are of particular interest for the home gardener. These are Coreopsis verticulata, Coreopsis lanceolata, Coreopsis grandiflora and Coreopsis auriculata. Coreopsis grandiflora is the most popular species, and there are many cultivars available. Early Sunrise coreopsis is the most popular one, and for good reason. The flowers are a very bright, cheery yellow, bloom season extends over a fairly long period, and the plants will re-bloom generously if they are deadheaded. Early Sunrise coreopsis grows to about eighteen inches tall and can bloom over the entire summer if deadheaded faithfully. It is short lived, though, usually dying out after two or three seasons. Most of the Coreopsis grandiflora hybrids share this quality. Most of this type of coreopsis can be propagated by cuttings in late spring or early summer. The primary means of progation is by seed. Many of the plants in this species come true from seed. Indeed, I have had a couple come back from seed which I had grown several years ago and had disappeared from my garden. Then one day I noticed two of them growing on in wild places well away from the garden. I transplanted them back in, divided them in the fall and now have them back. Coreopsis lanceolata is similar to grandiflora in appearance and culture. They are a bit longer lived, and will bloom somewhat less. The flowers are singles. Coreopsis verticulata is much longer lived than grandiflora. The flowers are smaller, but no less showy. Coreopsis Moonbeam lends and airy appearance to the garden with its light yellow flowers and thready foliage. Coreopsis Zagreb is similar to Moonbeam, but more compact and the flowers a bit bigger and more intense yellow. Coreopsis rosea is similar to Moonbeam, but the flowers are sort of a pinkish-rose. Moonbeam and Rosea each grow to about twenty to twenty four inches tall, Zagreb to about sixteen. Coreopsis Zagreb will spread nicely to form a groundcover. When not in bloom, the plants green, lacy looking foliage dresses up any border or flower bed. The flowers are about one half to one inch in diameter. Coreopsis verticulata cultivars will bloom very heavily for a fairly long period of time. If deadheaded, a smaller flush of bloom will appear in the fall before frost. Propagation of verticulata is by dividing in the early spring or fall, or by taking root cuttings in midsummer. |
