Rock Garden Plants
Penstemon  scariosus Pennell  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  scariosus Pennell  sect. Habroanthus
Territory Northwestern U.S.A.Southwestern U.S.A.ColoradoUtahWyoming
semideserts of w. USA
Altitude1500-3000m
Description glabrous, leaves entire, 4-17cm long, linear to narrowly oblanceolate, inflorescence secund, sparsely pubescent, flowers 22-30mm long
Size15-50cm
Colordark violet-blue
Bloomsummer
Ca
Typesubshrub
Cultivationdry, sunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyCronquist, A. et al. (1972-2005) Intermountain Flora
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý