Rock Garden Plants
Penstemon  harbourii A.Gray  sect. Harbouriani 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  harbourii A.Gray  sect. Harbouriani
Territory Northwestern U.S.A.Colorado
scree and moraines
Altitudealpine
Description leaves ovate, dully green, strigose, basal leaves reduced, flowers 15-20mm long, in short raceme, lower lip of corolla densely barbate, staminodium barbate to one-half
Size10-15cm
Colorbluish lilac
Bloomsummer
Ca
Typecarpet
Cultivationgravelly, humous, moist, semi-shady site
alpine house, moist, humous, gravelly soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
Bibliography
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý