Rock Garden Plants
Penstemon  immanifestus N.H.Holmgren  sect. Anularius 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  immanifestus N.H.Holmgren  sect. Anularius
Territory Southwestern U.S.A.NevadaUtah
semideserts of w. USA
Altitude1500-2000m
Description leaves glabrous and glaucous, entire, carnose, 35-70mm long, often with sinuate margin, flowers 15-20mm long, in not interrupted thyrsus
Size15-30cm
Colorlavender-blue, pale 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