My third workhorse plant in the perennial garden is coreopsis. I have coreopsis crème brûlée, and coreopsis Moonbeam. Moon beam is the most prolific bloomer and provides a gorgeous, yellow mounding, shape and color in my perennial bed. I parrot with purples like geranium Rozann, echinacea purpurea (AKA purple coneflower) and giant hyssop. Coreopsis is hardy from zones 3 to 9. It prefers a full sun location and well drained soil. It is very drought tolerant, and can handle a dry site location. It