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Field bindweed, a non-regulated Class C noxious weed, is a deep-rooted perennial vine found in fields, turf, farmland, and residential areas. Smooth, arrowhead-shaped leaves grow on slender, twining stems that reach up to 6 feet long. Light pink to white, trumpet-shaped flowers above 2 small leaf bracts appear irregularly. This plant reproduces via roots, rhizomes, and stem fragments, as well as by seeds that persist in soil 20 years or more.

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Hedge bindweed (Convolvulus sepium or Calystegia sepium) (a.k.a. "morning glory") looks and acts much like field bindweed, but its leaves and flowers are larger. The leaves are also hairless and more arrow-shaped. It is much more common in urban natural areas and backyard gardens. This species is not on the Washington State Weed List, but it is on the King County Weeds of Concern List due to its invasiveness. For photos and distribution information for hedge bindweed, please see the UW Burke Museum website.

Additional information on field bindweed

What to do if you find this plant in King County, Washington

Because field bindweed is so widespread, property owners in King County are not required to control it and we are not generally tracking infestations. We can provide advice on how to control field bindweed, but there is generally no legal requirement to do so.

Related information

Related agencies

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact staff, see the Noxious Weed Control Program Directory, send an email, or call 206-477-WEED (206-477-9333).