Rock Garden Plants
Penstemon  radicosus A.Nelson  sect. Humiles 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  radicosus A.Nelson  sect. Humiles
Territory Northwestern U.S.A.Southwestern U.S.A.ColoradoIdahoMontanaNevadaUtahWyoming
dry, rocky slopes
Altitude1400-2300m
Description finely pubescent, in inflorescence glandular, leaves only on stem, sessile, lanceolate-linear, 2-6cm long, inflorescence lax, verticillate, flowers 16-23mm long
Size15-40cm
Colorbluish purple
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