Rock Garden Plants
Penstemon spatulatus Pennell sect. Penstemon 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon spatulatus Pennell sect. Penstemon
Habitatrocky slopes
Altitude2300-2500m
Descriptionglabrous, leaves entire, basal leaves petiolate, elliptic, to 6cm long, stem leaves sessile, to 35mm, inflorescence dense, verticillate, flowers 10-13mm long, glandular
Size6-25cm
Colorbluish violet
Bloomsummer
Ca
Typetuft
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
Territory Northern America
     Northwestern U.S.A. (Oregon)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

PLANTAGINACEAE

Penstemon spatulatus Pennell, Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 10 (1941)

ne. Oregon
73 ORE

2300-2500m

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(c) 1990-2021 RNDr. Pavel Slabý