Noxious Weeds Blog

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

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Tag: 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 

SE Seattle Tool Library volunteers are ready for some weed control action!
July 13, 2021March 20, 2023 kcweeds

Tackle your Scotch broom and other weeds with weed control tools from your local tool libraries

November 9, 2017 kcweeds

Collect invasive ivy samples for science!

Spotted jewelweed in Swamp Creek wetland, photo by Cynthia Saleh
September 13, 2017 kcweeds

The Noxious Weed Horrors of Swamp Creek

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