Rock Garden Plants
Penstemon washingtonensis D.D.Keck sect. Penstemon 
Home
Families
Genus
Territory
Habitat
Synonyms
Types
Galery
Info
FamilyPLANTAGINACEAE
Genus speciesPenstemon washingtonensis D.D.Keck sect. Penstemon
BibliographyAmer. Midl. Naturalist. 33: 150 (1945)
Native RangeWashington
Primary BiomeSubalpine
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
Typeperennial
Cultivationrock crevices with favourable water regime, eastern slopes
alpine house, poor, drained soil, shading in summer
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. (WAS Washington)
Version 10.0
(c) 1990-2025 RNDr. Pavel Slabý