Rock Garden Plants
Penstemon  caryi Pennell  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  caryi Pennell  sect. Habroanthus
Territory Northwestern U.S.A.MontanaWyoming
rocky slopes
Altitude2100-3100m
Description leaves green, glabrous, entire to denticulate, lanceolate to ovate, 3-6cm long, flowers in secund cyme, broadly campanulate, inside white
Size15-30cm
Colorblue
Bloomsummer
Ca+
Typetuft
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
division in spring; cuttings in late summer
BibliographyDorn, R.D. (1992) Manual of the Vascular Plants of Wyoming
USDA Plants Database plants.usda.gov
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Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý