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Penstemon barbatus: Beardlip Penstemon

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Form: Herb.
Lifespan: Perennial.
Growth rate: Moderate.
Mature Size: Rosette of leaves 6" high and 24" wide. Flower stalk to 36" high.
Flowers: Red to red-orange tubular flowers, 1.5" long with double lower lip curved back, arrayed on spikes. Sterile stamen on lower lip is hairy, although barely noticeable in some specimens, giving plant the name "Beardlip".
Bloom: May-July. Blooms second year from seed.
Fruit: Seed capsule.
Leaves: Linear to lance-shaped, green to blue.
Stems: No thorns.
Roots: Clumping-forming.
Wildlife: Attracts hummingbirds.
Toxic / Danger: No.
Origin: Utah, Colorado, Arizona through Texas, and Mexico.

Cultivation and Uses
USDA hardiness zones: 4-9.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Water once established: Once or twice a month in light shade, or weekly in full sun.
Soil: Well drained, dry, pH 6.1-7.8 (slightly acidic to slightly alkaline).
Mulch: Decomposed granite or small gravel, or allow to grow among tall wild grass.
Prune: Removing spent blossom stalks at start of seed formation will encourage new stalks and blooms.
Litter: Low.
Propagation: Seed or root division.
Uses: Ornamental, hummingbird garden, xeric garden.

Three subspecies are recognized.

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Penstemon barbatus: Beardlip Penstemon - flowers

Penstemon barbatus: Beardlip Penstemon