|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 1 inch 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 pinifolius 'Mersea Yellow' is a spreading, evergreen subshrub, with dense, needle-like leaves. Bears loose, spike-like racemes of tubular, soft yellow flowers in summer. 16 inches tall, 10 inches wide.