Rock Garden Plants
Penstemon acuminatus Douglas ex Lindl. sect. Coerulei 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon acuminatus Douglas ex Lindl. sect. Coerulei
BibliographyEdwards‘s Bot. Reg. 15: t. 1285 (1829)
Native Rangenw. USA to Nevada
Primary BiomeTemperate
Habitatsandy grassland
Altitude60-1700m
Descriptionglabrous, leaves glaucous, oblanceolate, to 15cm long, inflorescence with weakly separated whorls, flowers 14-20mm long, staminodium yellow barbate or glabrous
Size10-60cm
Colorbright blue
Bloomsummer
Ca
Typeperennial
Cultivationsunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
SynonymsPenstemon acuminatus var. fendleri M.E.Jones
Territory7 Northern America
     73 Northwestern U.S.A. (IDA Idaho, ORE Oregon, WAS Washington)
     76 Southwestern U.S.A. (NEV Nevada)
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(c) 1990-2025 RNDr. Pavel Slabý