Rock Garden Plants
Penstemon washingtonensis D.D.Keck sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon washingtonensis D.D.Keck sect. Penstemon
Habitatrocky slopes
Altitude1800-2300m
Descriptioninflorescence glandular-hirsute, leaves entire, basal leaves in rosette, 25-60mm, stem leaves often reduced, flowers in compact whorls, corolla glandular hirsute, 9-12mm long
Size5-25cm
Colordark blue, umber
Bloomsummer
Ca
Typecarpet
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Territory Northern America
     Northwestern U.S.A. (Washington)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon washingtonensis D.D.Keck, Amer. Midl. Naturalist. 33: 150 (1945) Washington
73 WAS

1800-2300m

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(c) 1990-2021 RNDr. Pavel Slabý