Rock Garden Plants
Delphinium  bicolor ssp. calcicola M.J.Warnock & Vanderhorst   
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FamilyRANUNCULACEAE
Genus species var.Delphinium  bicolor ssp. calcicola M.J.Warnock & Vanderhorst 
Territory Northwestern U.S.A.Montana
rocky slopes
Altitude1300-2100m
Description leaves few, mainly basal, palmatipinnate, segments pinnatisect, terminal lobes narrowly oblong, flowers yellow in lax raceme, spur 15-23mm
Size10-30cm
Colorbright blue
Bloomlate spring, summer
Ca+
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring just as young growth commences
BibliographyFlora of North America www.eFloras.org
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý