The most commonly grown species is known as large-flowered tickseed (Coreopsis grandiflora). Coreopsis gets its common name from the shape of its seeds. Koris means “bug” in Greek and opsis ...

You'll probably find selections of Coreopsis grandiflora and those that are hybrids between it and Coreopsis lanceolata. Both are great natives to North America and offering brilliant golden ...

The two most popular species are Coreopsis verticillata and C. grandiflora, and there are also a dozen or so related garden-raised cultivars. Coreopsis verticillata has divided leaves, so narrow ...