Rock Garden Plants
Penstemon  atwoodii S.L.Welsh  sect. Aurator 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  atwoodii S.L.Welsh  sect. Aurator
Territory Southwestern U.S.A.Utah
semideserts of w. USA
Altitude1800-2100m
Description stems crowded, leaves oblong-spathulate, strigose, to 6cm long, stem leaves longer, inflorescence thyrsoidal with long bracts, flowers 10-12mm, with red lines, staminodium yellow
Size15-40cm
Colorbluish violet, violet
Bloomsummer
Ca
Typerosette
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
division in spring; 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