Coreopsis — 24 species

Coreopsis, commonly called tickseed, is a genus of cheerful, daisy-like flowering plants native to the Americas, spanning annuals and perennials such as Plains Coreopsis, Tall Coreopsis, Prairie Coreopsis, and Hairy Coreopsis. They are among the easiest garden perennials to grow: they demand full sun (at least six hours daily) and tolerate drought, poor soils, and heat with ease once established, needing supplemental water only during extended dry spells. The ASPCA confirms Coreopsis is non-toxic to cats and dogs, making it an excellent choice for pet-friendly garden borders.