Plants for Water Wise Pollinator Gardens: Threadleaf Tickseed (Coreopsis verticillata)


Plant Family

Aster Family (Asteraceae / Compositae)

Common Names

Threadleaf coreopsis, Tickseed, Tickweed, Whorled tickseed, Whorled coreopsis


  • Long-lived perennial plant native to the eastern and southeastern United States, and eastern Canada
  • It can also be grown in much of the lower 48 states of the United States
  • Cultivars have been developed for the landscape industry.
  • About 24 inches tall and 18 or more inches wide but can range from 12 to 48 inches tall depending on cultivar
  • Delicate finely textured leaves
  • Covered with yellow flowers in mid-summer
  • Some pink and red blooming cultivars are available
  • Tolerates sun to part shade
  • Adapted to USDA cold hardiness zones 3 to 9
  • Long blooming and low maintenance makes Threadleaf tickseed a great choice for the water wise perennial garden
Small yellow flowers
Threadleaf tickseed (coreopsis) Photo source: squeakychu Flickr CC BY-NC 2.0


Butterflies and bees
Birds eat the seeds

Gray butterfly on a yellow flower
Eastern tailed blue butterfly (Everes comyntas) Photo credit: Lisa Brown Flickr CC BY-NC 2.0

Additional Resources:

USDA NRCS Plants Database


Illinois – Threadleaf Coreopsis. Coreopsis verticillata
Missouri – Flowering Perennials: Characteristics and Culture, Coreopsis, Thread-leaf tickseed
Nebraska – Coreopsis: A Gardener’s Delight