High Quality Content by WIKIPEDIA articles! Coreopsis verticillata (Thread-leaf coreopsis) is a perennial plant of the genus Coreopsis in Asteraceae. The common names of the species are whorled coreopsis, thread-leaved tickseed, thread leaf coreopsis, and pot-of-gold. The plants grow about 3 feet tall and 2 feet wide. The flower heads are about 2 inches across, and both the disc florets and ray florets are bright yellow. The flowers are produced abundantly in clusters. The stems are wiry. The plant spreads by rhizomes. The species blooms from mid-summer to fall. The species requires full sun exposure. When Coreopsis verticillata was first put on sale, nurseries could not keep it in stock because of the demand. The species is easy to maintain, so it is a good starting plant for beginners. The species attracts butterflies and is deer resistant. Carolyn Singer, Deer in My Garden, reports that the species is a good companion plant with many other summer-blooming perennials that require the same soil, irrigation, and sun exposure. The species is herbaceous, has leaves and stems that die down at the end of the growing season to the soil level.

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