Rock Garden Plants
Penstemon  tusharensis N.H.Holmgren  sect. Caespitosi 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  tusharensis N.H.Holmgren  sect. Caespitosi
SynonymsPenstemon caespitosus var. suffruticosus A.Gray
Territory Southwestern U.S.A.Utah
rocky slopes
Altitude2100-2500m
Description leaves whitish, hirsute, 6-16mm long, 3-4,5mm wide, obovate to spathulate, flowers 12-18mm, inflorescence few flowered, secund thyrsus, staminodium yellow
Size5-10cm
Colordark bluish purple
Bloomsummer
Ca
Typesubshrub, carpet
Cultivationsunny, dry, 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
BibliographyCronquist, A. et al. (1972-2005) Intermountain Flora
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý