Tickseed, Threadleaf CoreopsisCoreopsis verticillata is a wonderful native perennial that's prized for its delicate, thread like foliage and cheerful daisy like flowers. It's a member of the Asteraceae family and is native to the eastern United States, including parts of Georgia. Coreopsis verticillata is a host for the Silvery Checkerspot Buckeye butterfly, and attracts several other butterflies with its flowers. Type: Perennial Origins: Southeast N. America; GA Native Height: 1.