Rock Garden Plants
Delphinium alpestre Rydb.  
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FamilyRANUNCULACEAE
Genus speciesDelphinium alpestre Rydb. 
BibliographyBull. Torrey Bot. Club 29: 146 (1902)
Native Rangec. & sc. Colorado to n. New Mexico
Primary BiomeSubalpine
Habitatscree and moraines
Altitude3400-3900m
Descriptionleaves orbiculate to pentagonal, strigose, 1-5cm, lobate, inflorescence 2-8-flowered, pedunculate, calyx strigose, spur straight, 8-12mm long, petals 4-6mm long
Size5-25cm
Colordark blue
Bloomsummer
Ca
Typeperennial
Cultivationgravelly, humous, moist, semi-shady site
alpine house, moist, humous, gravelly soil, semi-shade
Propagationseed in winter, barely covered, germ. 1-3 months, 10-13°C
division in spring just as young growth commences
SynonymsDelphinium ramosum var. alpestre (Rydb.) W.A.Weber
Territory7 Northern America
     73 Northwestern U.S.A. (COL Colorado)
     77 South-Central U.S.A. (NWM New Mexico)
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(c) 1990-2025 RNDr. Pavel Slabý