Rock Garden Plants
Penstemon  osterhoutii Pennell  sect. Anularius 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  osterhoutii Pennell  sect. Anularius
Territory Northwestern U.S.A.Colorado
sagebrush wilding
Altitude1000-1800m
Description leaves glabrous, blue-grey, sharply mucronate, broadly ovate lower leaves to 12cm long, upwards smaller, inflorescence racemose, flowers with long tube, staminodium uncinate
Size40-80cm
Colorlavender-blue
Bloomsummer
Ca
Typetuft
Cultivationsunny site with a poor, sandy soil
alpine house, sandy soil, sun
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