Rock Garden Plants
Delphinium  andersonii A.Gray   
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FamilyRANUNCULACEAE
Genus species var.Delphinium  andersonii A.Gray 
SynonymsDelphinastrum andersonii (A.Gray) Nieuwl.
 Delphinium cognatum Greene
 Delphinium tricorne var. andersonii (A.Gray) Huth
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaIdahoMontanaNevadaOregonUtah
dry, sandy grassland
Altitude1300-2000m
Description lower leaves long petiolate, carnose, palmately ternate, segments incised, ultimate lobes linear, obtuse, flowers 3-15, in raceme, sepals 11-15mm, upper petals whitish
Size30-60cm
Colorbright blue
Bloomsummer
Ca
Typetuft
Cultivationdry, sunny site with a poor, sandy soil
alpine house, sandy 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