Rock Garden Plants
Penstemon caespitosus Nutt. ex A.Gray sect. Caespitosi 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon caespitosus Nutt. ex A.Gray sect. Caespitosi
BibliographyProc. Amer. Acad. Arts 6: 66 (1862)
Native Rangewc. USA
Primary BiomeTemperate
Habitatgrassland and scree
Altitude2000-2300m
Descriptiongrey strigose, leaves 5-mm, linear or oblanceolate, 5-15mm, flowers few in cluster, calyx strigose, corolla 15-20mm, tubular-infundibuliform, staminodium barbate
Size2-10cm
Colorblue, bluish violet
Bloomsummer
Ca-
Typesubshrub
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
SynonymsPenstemon caespitosus ssp. typicus D.D.Keck
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