lobed tickseed
Coreopsis auriculata L.
Lobed tickseed has a small identifying detail tucked beneath its conspicuous yellow flowers. The basal leaves can carry a pair of little side lobes near the blade’s base, the “ears” behind several of its common names. NC State Extension: Coreopsis auriculata
Botanical name
NC State recognizes Coreopsis auriculata in Asteraceae. NC State Extension: Coreopsis auriculata
Recognizing the plant
The leaves are hairy and oval to elliptic. Upright flower stalks lift daisy-like heads above them, usually with eight yellow rays surrounding a yellow disc. Each ray ends in three small lobes. The plant spreads by stolons and can gradually form a patch under favourable conditions. NC State Extension: Coreopsis auriculata
Bloom window
North Carolina horticultural account
In the North Carolina account, the main flowering period runs from April through June, although garden treatment can encourage additional bloom. NC State Extension: Coreopsis auriculata
Native range
NC State places its native distribution in the eastern United States, from Virginia and Kentucky south towards Georgia and Louisiana, east of the Mississippi River. NC State Extension: Coreopsis auriculata
Ecological relationships
NC State records the flowers as a source of nectar for visiting pollinators. NC State Extension: Coreopsis auriculata
Songbirds eat the seeds, according to the same North Carolina horticultural account. NC State Extension: Coreopsis auriculata
Botanical sources
Reviewed 2026-10-11. Seasonal development varies with location and growing conditions.