How to Grow Threadleaf Coreopsis
Coreopsis verticillata
Your complete guide to growing Threadleaf Coreopsis.
When to Plant Threadleaf Coreopsis
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
Companion Plants for Threadleaf Coreopsis
✓ Good companions
Late season blooms extend pollinator resources when coreopsis finishes flowering
Complementary bloom times extend pollinator season, both thrive in similar soil conditions
Attracts butterflies and beneficial insects, complementary orange and yellow color scheme
Creates pollinator corridors and extends blooming season with different peak times
Provides structural support and contrasting texture while sharing drought tolerance
Native grass companion that provides wind protection and soil stabilization
Similar growing conditions, attracts beneficial pollinators and creates habitat diversity
Attracts beneficial insects and native bees, both prefer well-draining soil
✗ Keep away from
Aggressive spreader that can smother and outcompete native wildflowers for space
Aggressive root system competes for nutrients and can crowd out native wildflowers
Produces allelopathic compounds that inhibit growth of native plants