Rock Garden Plants
Penstemon scariosus Pennell sect. Glabri 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon scariosus Pennell sect. Glabri
BibliographyContr. U.S. Natl. Herb. 20: 353 (1920)
Native RangeWyoming to Utah
Primary BiomeTemperate
Habitatsandy grassland
Altitude1500-3200m
Descriptionglabrous, leaves entire, 4-17cm long, linear to narrowly oblanceolate, inflorescence secund, sparsely pubescent, flowers 22-30mm long
Size15-50cm
Colordark violet-blue
Bloomsummer
Ca
Typeperennial
Cultivationsunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
SynonymsPenstemon garrettii Pennell
Penstemon scariosus var. garettii (Pennell) N.H.Holmgren
Territory7 Northern America
     73 Northwestern U.S.A. (COL Colorado, WYO Wyoming)
     76 Southwestern U.S.A. (UTA Utah)
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(c) 1990-2025 RNDr. Pavel Slabý