Coreopsis Zone. Both of the native species Coreopsis grandiflora and Coreopsis verticillata are winter hardy in growing zones 4-9. 25042021 Coreopsis is the state wildflower of Florida but many varieties are hardy up to USDA plant hardiness zone 4.
10052019 Originally growing in the woodlands and the prairies it is hardy in zones 4 through 10 and its a plant that prefers warm weather conditions. West of the Mississippi River. Simply seed a prepared area of un-amended soil in spring in a full sun location.
Its a smaller variety reaching about 8 to 10 inches 20-25 cm tall.
How to Grow Coreopsis Plants It is equally easy to learn how to grow coreopsis. Simply seed a prepared area of un-amended soil in spring in a full sun location. Feet wide it grows well in zones 5-9. It has fine thread-like leaves.