Rock Garden Plants
Penstemon  azureus Benth.  sect. Saccanthera 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  azureus Benth.  sect. Saccanthera
SynonymsPenstemon azureus var. parvulus A.Gray
 Penstemon heterophyllus var. azureus (Benth.) Jeps.
 Penstemon parvulus (A.Gray) Krautter
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaOregon
grassland and thickets
Altitude1000-2300m
Description leaves blue-grey, glabrous, basal leaves oblanceolate to obovate, 1-5cm, shortly petiolate, inflorescence erect, subsecund, flowers 2-3cm long, tubular-campanulate
Size20-50cm
Colordark bluish purple
Bloomsummer
Ca
Typesubshrub
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
BibliographyThe Jepson Manual ucjeps.berkeley.edu
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý