Rock Garden Plants
Penstemon albertinus Greene sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon albertinus Greene sect. Penstemon
BibliographyLeafl. Bot. Observ. Crit. 1: 167 (1906)
Native Rangew. Canada to nw. USA
Primary BiomeTemperate
Habitatrocky slopes
Altitude800-2800m
Descriptionleaves rather thick and solid, elliptic or ovate, 15-50mm, stem leaves well developed, sessile, inflorescence spicate, flowers 15-20mm long, palate and staminodium barbate
Size10-35cm
Colorblue
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
SynonymsPenstemon caelestinus Pennell
Territory7 Northern America
     71 Western Canada (ABT Alberta, BRC British Columbia)
     73 Northwestern U.S.A. (IDA Idaho, MNT Montana)
Picture Picture
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(c) 1990-2025 RNDr. Pavel Slabý