Noxious Weeds Blog

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

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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.
Featured kcweeds

Weedy Fall Activities

orange fire blaze on woody branching plants, 2 firefighters blurred in background
Featured kcweeds

Weeds and Wildfire 

photo collage of a green shrub in bottom right, smoking volcano in background, paper yellow sun in top right corner
Featured kcweeds

Are weeds “weedy” in their native range?

June 20, 2023September 22, 2023 kcweeds

Learn to Identify Plants

1 larger photo of yellow flower in field on left, 3 stacked photos on right of flowers: purple poofy, yellow with heart shaped petals, and white trumpet shaped
June 20, 2023September 6, 2023 kcweeds

Summer Weeds to Watch for

Green leaves with droplets of water and white veins are attached to a stem. One yellow flower with five petals blooms on this same stem.
June 20, 2023July 25, 2023 kcweeds

Early Weed Detection Protects Wetlands

March 20, 2023July 24, 2023 kcweeds

The 2023 King County Noxious Weed List is Official!

March 20, 2023June 20, 2023 kcweeds

Spring Cleaning – Get into the Weeds

March 20, 2023June 20, 2023 kcweeds

Springtime Weeds

February 8, 2022March 20, 2023 kcweeds

The 2022 King County Noxious Weed List is official!

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Have you heard of sheet mulching? It's a way to suppress weeds from coming back and build back soils following weed removal.⁠
Want a career saving the planet🌎️? The Green Jobs boom is emerging.⁠
Purple loosestrife is a beautiful weed that can have major impacts on wetland environments, so landowners in king county and legally required to required to control this plant on their property. 🌿👍
Weeds and wildfires…let’s talk about it! 🌿🔥⁠

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