Page authors: Don Knoke, David Giblin
Centaurea montana
mountain bluet, mountain cornflower, montane starthistle

Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to Oregon, east to Montana, Idaho, and Utah, also from Great Lakes region to northeastern North America.

Habitat: Roadsides, fields, ditches, shores, wastelots, and other disturbed, open areas.

Flowers: May-August

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


Pubescent perennial from creeping rhizomes, the stems 30-60 cm. tall.


Leaves alternate, entire, and lanceolate.


Heads discoid, terminal and solitary on the stem; flowers blue, the long corolla tube deeply five-lobed; involucre bracts imbricate, with bristly margins.



Accepted Name:
Centaurea montana L.
Publication: Sp. Pl. 2: 911. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Centaurea montana in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Centaurea montana checklist entry.

OregonFlora: Centaurea montana information.

E-Flora BC: Centaurea montana atlas page.

CalPhotos: Centaurea montana photos.

USDA Plants: Centaurea montana information.

21 photographs:
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