Rock Garden Plants
Penstemon crandallii A.Nelson sect. Caespitosi 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon crandallii A.Nelson sect. Caespitosi
BibliographyBull. Torrey Bot. Club 26: 354 (1899)
Native RangeColorado to Utah
Primary BiomeTemperate
Habitatrocky slopes
Altitude1800-3400m
Descriptionleaves oblanceolate 10-28mm long, glabrate or scabrous, entire, corolla 14-20mm long, tubular, with longer lower lip
Size5-25cm
Colorblue
Bloomsummer
Ca
Typesubshrub
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
cuttings in late summer
SynonymsPenstemon crandallii ssp. typicus D.D.Keck
Penstemon suffrutescens Rydb.
Territory7 Northern America
     73 Northwestern U.S.A. (COL Colorado)
     76 Southwestern U.S.A. (UTA Utah)
     77 South-Central U.S.A.
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Version 10.0
(c) 1990-2025 RNDr. Pavel Slabý