Rock Garden Plants
Penstemon  glaber var. alpinus (Torr.) A.Gray  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  glaber var. alpinus (Torr.) A.Gray  sect. Habroanthus
SynonymsPenstemon alpinus Torr. (basionym)
Territory Northwestern U.S.A.ColoradoWyoming
grassland and rocks
Altitudemontane
Description basal leaves oblanceolate, obtuse, shortly petiolate, stem leaves lanceolate, sessile, 5-10cm, acute or acuminate, inflorescence dense, secund, flowers infundibuliform
Size20-40cm
Colorbluish purple
Bloomsummer
Ca
Typesubshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyDorn, R.D. (1984) Vascular Plants of Montana
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý