Distribution: Occurring in scattered locations west of the Cascades crest in Washington; Washington and California; more commonly found in northeastern North America.
Habitat: Disturbed areas including fields, roadsides, and wastelots, where escaped from cultivation.
Flowers: May-August
Origin: Introduced from Europe
Growth Duration: Biennial, Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Brassica oleracea in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Brassica oleracea checklist entry.
E-Flora BC: Brassica oleracea atlas page.
CalPhotos: Brassica oleracea photos.
USDA Plants: Brassica oleracea information.