Rock Garden Plants
Draba  grayana (Rydb.) C.L.Hitchc.   
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FamilyBRASSICACEAE
Genus species var.Draba  grayana (Rydb.) C.L.Hitchc. 
SynonymsDraba streptocarpa var. grayana Rydb. (basionym)
 Draba alpicola Osterh.
Territory Northwestern U.S.A.Colorado
grassland
Altitude3500-4000m
Description basal leaves spathulate, adaxially pubescent, ciliate, stem leaves 1-3, smaller, stems pilose, flowers in dense raceme, sepals deciduous, petals emarginate, silicles glabrous
Size1-6cm
Colorbright yellow
Bloomsummer
Ca
Typerosette, cushion
Cultivationhumous, moist, but in winter drier, semi-shady site
alpine house, moist, humous soil, shading in summer
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings of rosettes in late summer
BibliographyFlora of North America www.eFloras.org
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý