Rydberg’s penstemon

Penstemon rydbergii

Widespread native perennial with woody rhizomes and bright blue or purple flowers, blooming June to August. Moderately drought tolerant, occurring on dry to moist meadows, shrublands, open woodlands and streambanks; 2,000 to 13,000 ft. elevation. Foliage is more palatable to browsing herbivores than most other penstemon species. Attracts hummingbirds, butterflies and pollinating insects.