Rock Garden Plants
Penstemon  laevis Pennell  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  laevis Pennell  sect. Habroanthus
Territory Southwestern U.S.A.ArizonaUtah
rocks
Altitude900-1500m
Description glabrous, pale dully green, lower leaves ovate, to 15cm long, upper leaves shorter, inflorescence secund, spicate, cymes 3-8- flowered, flowers 23-35mm long, inside white
Size30-100cm
Colorbluish purple
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