The smooth-margined, three-parted leaves grow alternately along the stem with narrow lobes that give the foliage a delicate, divided appearance. Tall coreopsis spreads by both seed and rhizome, forming colonies that support pollinators like bees, butterflies, and skippers. After blooming, its seedheads persist into winter, adding texture and feeding birds.
Adaptable and resilient, it thrives in sunny fields, meadows, moist to mesic prairies, and open savannas or woodlands. Its ecological value and visual presence make it a cornerstone species for restoration and native plant gardens.
Sources:
Wisconsin Department of Natural Resources – Endangered Resources Program
UW–Madison Herbarium – Wisconsin State Herbarium Species Accounts
Flora of Wisconsin – Coreopsis tripteris Species Page
USDA NRCS PLANTS Database – Coreopsis tripteris Profile
NatureServe Explorer – Coreopsis tripteris Conservation Status
Minnesota Wildflowers – Coreopsis tripteris Description
Illinois Wildflowers – Coreopsis tripteris Ecological Notes
Prairie Moon Nursery – Coreopsis tripteris Species Profile
Prairie Nursery – Tall Coreopsis Species Description
Tallgrass Prairie Center – Prairie Plant Ecology
Butterflies and Moths of North America – Host Plant Records for Coreopsis Species
Xerces Society – Pollinator Use of Late-Season Prairie Plants
