Common insect pests on rudbeckia include: Leafhoppers: This is a large family of insects, generally slender with wedge-shaped body, about 1/8- to 1/4-inch long.

The cutleaf coneflower, Rudbeckia laciniata, is another large, garden worthy species, especially the cultivar Herbstsonne (Autumn Sun), which blooms from the end of July well into October.