Bush penstemon is a common name of four species of plant:
Keckiella antirrhinoides, a species formerly placed in the genus Penstemon from the Mojave Desert and Sonoran Deserts Keckiella ternata, a species formerly placed in the genus Penstemon from southern and Baja California Penstemon ambiguus, a penstemon from the southern western United States and northern Mexico Penstemon fruticosus, a penstemon from the Pacific Northwest of North America