Distribution: Occurring west of the Cascades crest in lowland western Washington; Washington to California.
Habitat: Roadsides, fields, thickets, forest edge, wastelots, and other disturbed open areas.
Flowers: May-August
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Calystegia silvatica in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Calystegia silvatica checklist entry.
E-Flora BC: Calystegia silvatica atlas page.
CalPhotos: Calystegia silvatica photos.
USDA Plants: Calystegia silvatica information.