Large-flower Tickseed
Coreopsis grandiflora
Last reviewed: June 2026

Large-flower Tickseed (Coreopsis grandiflora) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–24" H × 12"–18" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CT, FL and 27 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Large-flower tickseed produces bright yellow daisy-like flowers from June through September on compact, bushy plants. This drought-tolerant native perennial forms neat clumps that work well in sunny borders and naturalized areas. The cheerful blooms provide long-lasting color with minimal care requirements.
In an HOA neighborhood
Large-flower Tickseed is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May self-seed if not deadheaded regularly
Wildlife value
The abundant flowers attract numerous bees and butterflies throughout the growing season. Seeds provide food for goldfinches and other small birds in fall.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Large-flower Tickseed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.