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To offer a suggestion or report an error on the King County Noxious Weeds Web site, please contact Sasha Shaw, education specialist.
King County, Washington noxious weed identification and control

Yellow toadflax
Linaria vulgaris

yellow toadflax plantA Class C noxious weed in Washington State, yellow toadflax thrives predominately along roadsides, trails, railroads and open fields. It is occasionally found in gardens and landscapes. Its yellow flowers resemble that of a snapdragon, and are very similar to the flowers of Dalmatian toadflax. The leaves of yellow toadflax are small, narrow and linear, and the overall plant is seldom over 8 inches tall. Control of yellow toadflax in King County is recommended but not required.

Yellow toadflax photos - click on thumbnail for larger image

yellow toadflax flowers - click for larger image

Related information

Related agencies

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact a staff member at the King County Noxious Weed Control Program, please call 206-296-0290 or by reach them by email.