Rock Garden Plants
Penstemon pennellianus D.D.Keck sect. Glabri 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon pennellianus D.D.Keck sect. Glabri
BibliographyAmer. Midl. Naturalist 23: 614 (1940)
Native Rangenw. Oregon to se. Washington
Primary BiomeTemperate
Habitatrocky slopes
Altitude1300-1800m
Descriptionglabrous, leaves thick, rigid, oblanceolate or narrowly elliptic, petiolate, stem leaves sessile, inflorescence verticillate, flowers 26-33mm, staminodium apically barbate
Size20-60cm
Colorbright blue
Bloomsummer
Ca
Typeperennial
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
Territory7 Northern America
     73 Northwestern U.S.A. (ORE Oregon, WAS Washington)
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