Coreopsis Overwintering: How To Winterize A Coreopsis Plant
By: Mary H. Dyer, Credentialed Garden WriterCoreopsis is a hardy plant suitable for growing in USDA plant hardiness zones 4 through 9. As such, coreopsis winter care isn’t a difficult task, but a bit of protection will ensure the plant remains hale and hearty throughout even the toughest winter, ready to burst forth when temperatures rise in spring.