Rock Garden Plants
Castilleja oresbia Greenm.  
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FamilyOROBANCHACEAE
Genus speciesCastilleja oresbia Greenm. 
BibliographyBot. Gaz. 48: 147 (1909)
Native Rangew. Idaho to e. Oregon
Primary BiomeTemperate
Habitatsandy grassland
Altitude900-2200m
Descriptiontaproot, stems hirsute, leaves linear to lanceolate, 3-5-lobate, acute, lobes linear, inflorescence 3-18cm, bracts lanceolate, 3-5-lobate, corolla straight, 21-36mm
Size10-30cm
Colorgreen-white
Bloomlate spring, summer
Ca
Typeperennial
Cultivationsunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, uncovered, germ. 1-3 months, 16-21°C
cuttings in late summer
Territory7 Northern America
     73 Northwestern U.S.A. (IDA Idaho, ORE Oregon)
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(c) 1990-2025 RNDr. Pavel Slabý