Rock Garden Plants
Penstemon  perpulcher A.Nelson  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  perpulcher A.Nelson  sect. Habroanthus
SynonymsPenstemon minidokanus A.Nelson & J.F.Macbr.
Territory Northwestern U.S.A.IdahoOregon
dry, rocky slopes
Description leaves narrowly oblanceolate, 3-10cm, stem leaves linear-lanceolate to linear, calyx lobes glabrous, ovate, at margins denticulate, corolla to 2cm long, inside glabrous
Size40-80cm
Colorsky-blue
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