Rock Garden Plants
Penstemon  compactus (D.D.Keck) Crosswh.  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  compactus (D.D.Keck) Crosswh.  sect. Habroanthus
SynonymsPenstemon cyananthus ssp. compactus D.D.Keck (basionym)
 Penstemon cyananthus var. compactus (D.D.Keck) Neese
Territory Northwestern U.S.A.Southwestern U.S.A.IdahoUtah
dry, rocky slopes
Altitude2400-3000m
Description leaves entire, 2-11cm, oblanceolate to lanceolate, inflorescence densely verticillate, flowers 18-23mm long
Size10-25cm
Colorblue, violet
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