Rock Garden Plants
Penstemon harringtonii Penland sect. Coerulei 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon harringtonii Penland sect. Coerulei
Habitatsagebrush wilding
Altitude2000-2900m
Descriptionglabrous, grey-green, leaves thick, adaxially purple, subovate, lower leaves to 16cm long, upwards smaller, bracts only 12mm long, flowers in raceme, staminodium barbate
Size30-70cm
Colorblue
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 harringtonii Penland, Madrońo 14: 153 (1958)

Colorado
73 COL

2000-2900m

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