[3] They have showy flower heads with involucral bracts in two distinct series of eight each, the outer being commonly connate at the base.

[6] One classification (GRIN) of the genus consists of eleven sections,[1] shown by cladistic relationships with number of species in parentheses.

[4] See:[7][8] South America, 35 species North American Coreopsis can be found in two habitats in the wild, growing along roadsides and open fields throughout the Eastern United States and Canada.

Coreopsis can grow in a garden as a border plant, or in a container, preferring well-drained soil.

Using the U.S. Department of Agriculture (USDA) hardiness zones will identify what soil and climate is preferred for different cultivars or species.

[10] Notable species found in cultivation are C. grandiflora and C. verticillata, as well as their various cultivars.The sunny, summer-blooming, daisy-like flowers are popularly planted in gardens to attract butterflies.

[3] In the Mid-Atlantic region, insects such as bees, hover flies, and wasps are often observed visiting the flowers.