Rock Garden Plants
Frasera albicaulis Griseb.  
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FamilyGENTIANACEAE
Genus speciesFrasera albicaulis Griseb. 
BibliographyGen. Sp. Gent.: 330 (1838)
Native Rangew. USA
Primary BiomeTemperate
Habitatsandy grassland
Altitude500-2600m
Descriptionsubglabrous, leaves narrowly oblanceolate, 6-15cm, upwards smaller, linear, inflorescence narrow, interrupted thyrsus, flowers deep blue variegate, lobes 6-8mm, acute
Size10-60cm
Colorpale blue
Bloomsummer
Ca
Typeperennial
Cultivationsunny 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; cuttings in late summer
SynonymsFrasera albicaulis f. alba H.St.John
Frasera nitida var. albicaulis (Griseb.) Card
Leucocraspedum albicaule (Griseb.) Rydb.
Swertia albicaulis (Griseb.) Douglas ex Kuntze
Swertia albicaulis f. alba (H.St.John) H.St.John
Swertia bethelii H.St.John
Swertia californica H.St.John
Swertia watsonii H.St.John
Territory7 Northern America
     73 Northwestern U.S.A. (IDA Idaho, MNT Montana, ORE Oregon, WAS Washington)
     76 Southwestern U.S.A. (CAL California, NEV Nevada)
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(c) 1990-2025 RNDr. Pavel Slabý