Rock Garden Plants
Penstemon  gairdneri Hook.  sect. Gairdneriani 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  gairdneri Hook.  sect. Gairdneriani
Territory Northwestern U.S.A.IdahoOregonWashington
rocky slopes
Altitudemontane
Description finely and densely cinereous, leaves numerous, linear, flowers in simple raceme, corolla outside glandular hirsute, 14-22mm long
Size10-40cm
Colorbluish purple, pink
Bloomsummer
Ca
Typesubshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý