|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 3 1/2 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 serrulatus is a spreading, semi-evergreen subshrub. Wide, dense, one-sided panicles of tubular-bell-shaped, pinkish purple flowers are produced in late summer. Grows 20 inches tall, 12 inches wide.