Rock Garden Plants
Polemonium  californicum Eastw.   
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FamilyPOLEMONIACEAE
Genus species var.Polemonium  californicum Eastw. 
SynonymsPolemonium columbianum Rydb.
 Polemonium pulcherrimum var. calycinum (Eastw.) Brand
 Polemonium pulcherrimum ssp. tricolor (Eastw.) Brand
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaIdahoNevadaOregonWashington
grassland and thickets
Altitude1000-3100m
Description stem softly hirsute, leaves 5-20cm, pinnate, leaflets 15-25, lanceolate to ovate, glabrous, inflorescence open, calyx 4-8mm, lobes acute, flowers 7-15mm across, campanulate
Size10-25cm
Colorblue, bluish violet
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
division in spring; cuttings in spring and late summer
BibliographyThe Jepson Manual ucjeps.berkeley.edu
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý