Rock Garden Plants
Penstemon  palmeri A.Gray   
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  palmeri A.Gray 
Territory Northwestern U.S.A.Southwestern U.S.A.South-Central U.S.A.
semideserts of w. USA
Description glabrous, glaucous, leaves thick, petiolate, sharply serrate, inflorescence subsecund, whorls numerous, flowers pedicellate, calyx glandular-hirsute, corolla 2-4cm long
Size30-80cm
Colorwhite, rose
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