Rock Garden Plants
Penstemon  rupicola (Piper) Howell  sect. Dasanthera 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  rupicola (Piper) Howell  sect. Dasanthera
SynonymsPenstemon newberryi var. rupicola Piper (basionym)
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaOregonWashington
rocks
Altitudesubalpine-alpine
Description flowering branchlets spreading hirsute, leaves orbiculate to broadly elliptic, glaucous, denticulate, upper leaves reduced, flowers in compact raceme, corolla 25-35mm long
Size10-15cm
Colorreddish violet
Bloomsummer
Ca
Typesubshrub
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Picture Picture
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý