Rock Garden Plants
Penstemon procerus Douglas ex Graham sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon procerus Douglas ex Graham sect. Penstemon
BibliographyEdinburgh New Philos. J. 1829(July-Oct.): 348 (1829)
Native RangeAlaska to Utah
Primary BiomeTemperate
Habitatgrassland
Altitude600-3700m
Descriptionstems glabrous or strigose, basal leaves petiolate, oblanceolate, glabrous, 4-8cm, inflorescence dense, calyx lobes obovate, abruptly apiculate, margins scarious
Size5-40cm
Colorblue, yellow, white
Bloomsummer
Ca
Typeperennial
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
SynonymsLepteiris parviflora Raf.
Penstemon confertus var. procerus (Douglas ex Graham) Coville
Penstemon micranthus Nutt.
Penstemon pononii T.Moore & Mast.
Penstemon procerus f. albescens B.Boivin
Penstemon procerus var. fimbriatus Regel
Penstemon procerus f. jenkinsii B.Boivin
Penstemon procerus var. micranthus (Nutt.) M.E.Jones.
Penstemon procerus ssp. pulvereus Pennell
Penstemon procerus ssp. typicus D.D.Keck
Penstemon spicatus T.Moore & Mast.
Penstemon tinctus Pennell
Territory7 Northern America
     70 Subarctic America (ASK Alaska, YUK Yukon)
     71 Western Canada (ABT Alberta, BRC British Columbia, MAN Manitoba, SAS Saskatchewan)
     73 Northwestern U.S.A. (COL Colorado, IDA Idaho, MNT Montana, ORE Oregon, WAS Washington, WYO Wyoming)
     74 North-Central U.S.A. (NDA North Dakota)
     76 Southwestern U.S.A. (UTA Utah)
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(c) 1990-2025 RNDr. Pavel Slabý