Rock Garden Plants
Penstemon  speciosus Lindl.  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  speciosus Lindl.  sect. Habroanthus
SynonymsPenstemon speciosus ssp. kennedyi (A.Nelson) D.D.Keck
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaIdahoNevadaOregonUtahWashington
grassland and thickets
Altitude2400-3200m
Description leaves thick, rigid, glabrous, oblanceolate to lanceolateovate, to 15cm long, stem leaves sessile, inflorescence lax, verticillate, anthers glabrous, flowers 26-38mm long
Size20-80cm
Colorbluish purple
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Picture Picture Picture
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý