Rock Garden Plants
Penstemon osterhoutii Pennell sect. Coerulei 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon osterhoutii Pennell sect. Coerulei
Habitatsagebrush wilding
Altitude1600-2700m
Descriptionleaves glabrous, blue-grey, sharply mucronate, ovate, lower leaves to 12cm long, upwards smaller, inflorescence racemose, flowers with long tube, staminodium uncinate
Size20-75cm
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
Territory Northern America
     Northwestern U.S.A. (Colorado)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon osterhoutii Pennell, Contr. U.S. Natl. Herb. 20: 358 (1920)

Colorado
73 COL

1600-2700m

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(c) 1990-2021 RNDr. Pavel Slabý