Penstemon pseudospectabilis ( Desert Penstemon )
This short - inhabit perennial , often treated as an annual in colder clime , is grown principally for it ’s pretty , tubular , two - lipped flowers ( all colours but risque and white-livered ) . The leaves are narrow and lancet shaped ( up to 5 inch long ) . Penstemon like wry but rich dirt . They are summer bloomers , attract hummingbirds , and will keep your garden exciting after the spring colors have faded away ....