[Beardtongues and Penstemons: The Genus Penstemon in the Cascade Mountains of Oregon and Washington]

Small azure penstemon beginning to bloom at the Pilot Rock Trailhead off BLM Road 40-2E-33, Cascade-Siskiyou National Monument......May 26, 2021.

What appears to be small azure penstemon as observed at a bald along the Pacific Crest Trail on the southeastern slopes of Mt. Ashland, Rogue River-Siskiyou National Forest.......October 15, 2019.