|This short-lived perennial, often treated as an annual in colder climates, is grown primarily for it's pretty, tubular, two-lipped flowers (all colors but blue and yellow). The leaves are narrow and lance shaped (up to 2 inches long).
Penstemons like dry but rich soil. They are summer bloomers, attract hummingbirds, and will keep your garden exciting after the spring colors have faded away.
Penstemon isophyllus is an upright, occasionally spreading, evergreen subshrub. From early to late summer, bears tubular-bell-shaped, red to dark pink flowers held in 12 inch long, one-sided racemes. To 28 inches tall, 18 inches wide.