Rock Garden Plants
Penstemon wilcoxii Rydb. sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon wilcoxii Rydb. sect. Penstemon
BibliographyBull. Torrey Bot. Club 28: 28 (1901)
Native Rangenw. USA
Primary BiomeTemperate
Habitatgrassland and scree
Altitude300-2300m
Descriptionstems glabrous, leaves glabrous, sharply denticulate, the lower petiolate, lanceolate, the upper lanceolate and subamplexicaule, flowers in whorls, calyx lobes lanceolate
Size30-100cm
Colorblue
Bloomsummer
Ca
Typeperennial
Cultivationgravelly, humous, moist, sunny site
alpine house, moist, humous, gravelly soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
SynonymsPenstemon ovatus var. pinetorum (Piper) Piper
Penstemon pinetorum (Piper) Piper
Territory7 Northern America
     73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington)
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(c) 1990-2025 RNDr. Pavel Slabý