Noxious Weeds Blog

All things noxious weeds. Written by program specialists in King County, Washington

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Tag: English ivy

September 10, 2025September 9, 2025 kcweeds

Say Goodbye to Common (English) Ivy: Washington Issues Statewide Ban on Sales 

A visual of mulching layers. The top later is 4-12 inches of heavy mulch, which is defined as arborist chips or bark/coarse mulch. The second layer is a paper layer, comprised of cardboard or newspaper. The final layer is weeded soil. 1-2 inches of compost layer are also interspersed throughout.
September 22, 2023December 20, 2023 kcweeds

Weedy Fall Activities

orange fire blaze on woody branching plants, 2 firefighters blurred in background
September 6, 2023December 6, 2023 kcweeds

Weeds and Wildfire 

April 10, 2020 martaolsonwlrd

Let’s pull together!

milk thistle seedlings in fall
October 10, 2018October 12, 2018 kcweeds

Control weeds in the fall to reduce work next year

spotted jewelweed (Impatiens capensis) flower and seed capsules
January 18, 2018 kcweeds

King County’s 2018 Noxious Weed List to be set at January 24 Weed Board Meeting

Photo of English ivy growing in a Seattle neighborhood
January 6, 2017February 21, 2017 kcweeds

English Ivy – January 2017 Weed of the Month

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