Showy Beardtongue, Penstemon cobaea, is a clump-forming, native perennial which occurs on prairies, limestone glades and rocky bluffs. Typically grows 1-2.5 feet tall. Features loose, terminal panicles of white to violet to deep purple, 2" long, tubular flowers atop erect, rigid, downy stems. Flowers bloom in mid-spring and are somewhat larger than most penstemons. Downy, clasping, lance-shaped upper leaves.
Easily grown in average, dry to medium, well-drained soil in full sun. Avoid wet, poorly-drained soils.