Rock Garden Plants
Penstemon  scariosus var. garrettii (Pennell) N.H.Holmgren   
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  scariosus var. garrettii (Pennell) N.H.Holmgren 
SynonymsPenstemon garrettii Pennell (basionym)
Territory Northwestern U.S.A.Southwestern U.S.A.UtahWyoming
rocks
Altitudemontane
Description leaves dully green, glabrous, the basal petiolate, lanceolate, acute, 6-7cm long, stem leaves lanceolate, 6-10cm, inflorescence narrow, secund, corolla ca. 2cm long
Size20-40cm
Colorblue
Bloomsummer
Ca
Typesubshrub
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