Rock Garden Plants
Penstemon pratensis Greene sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon pratensis Greene sect. Penstemon
BibliographyLeafl. Bot. Observ. Crit. 1: 165 (1906)
Native RangeIdaho to Oregon and Nevada
Primary BiomeTemperate
Habitatgrassland
Altitude1300-2800m
Descriptionstems glabrous, leaves glabrous, the basal spathulate, entire, obtuse or acute, stem leaves lanceolate, entire, thyrsus interrupted, cylindrical, corolla infundibuliform
Size15-40cm
Colorwhite, lavender blue
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
Territory7 Northern America
     73 Northwestern U.S.A. (IDA Idaho, ORE Oregon)
     76 Southwestern U.S.A. (NEV Nevada)
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(c) 1990-2025 RNDr. Pavel Slabý