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Noxious weed index

Index for identification and control of noxious weeds in King County.

Weeds by growth habit

Search for your weed by growth pattern and life cycle below. If you cannot find you weed, try a different category. Because plants don't fit neatly into one box, a plant may be in a different section than you initially looked.

Woody shrubs

Description: Woody perennial noxious weeds with multiple stems.

Top weeds

See more woody shrubs

Herbaceous plants

Description: Noxious weeds without woody tissues.

Top weeds

See more herbaceous plants

Vines

Description: Noxious weeds that tend to climb or creep along the ground and over other existing plants or infrastructure.

Top weeds

See more vining plants

Tree or treelike shrubs

Description: Woody perennial noxious weeds often with one main trunk or stem.

Top weeds

See more tree or treelike shrubs

Aquatic

Description: Noxious weeds found in and around water.

Top weeds

See more aquatic plants

Grass and grass-like

Description: Noxious weeds with long, flat, & narrow green leaves that come to a point and florets (flowers or clusters).

Top weeds

See more grass and grass-like plants


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