Distribution: Known from scattered counties in lowland western Washington; not reported as occurring elsewhere in North America.
Habitat: Open slopes, rock faces, disturbed open areas.
Flowers: June-July
Origin: Introduced
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, wasps
[none provided]
PNW Herbaria: Specimen records of Euphorbia characias in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Euphorbia characias checklist entry
OregonFlora: Euphorbia characias information
E-Flora BC: Euphorbia characias atlas page
CalPhotos: Euphorbia characias photos