Penstemon barrettiae, Barrett's Penstemon

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Native to the eastern Columbia River Gorge, this late spring pink (rosy to lilac) penstemon grows on talus slopes in the shade of overhanging cliffs. This is a rare and special pla nt, particularly because it is difficult to enjoy in the wild unless you're a rock climber. Note that this Penstemon is a dry shade- , or part shade-lover, as well as sun. Blooms are ~1-1/2 inches long. Requires sharp drainage. Mature size: 12-18 inches T & W Minimum temperature: -10° F Show more