|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 6 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 palmeri is an upright perennial, bearing in summer, spikes of scented, pink-flushed, pale pink, white, or lilac flowers, with conspicuous lines running from the lower lip to the throat. 1 1/2 to 4 1/2 feet tall, 8 to 10 inches wide.