Noxious Weeds Blog

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

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Category: Weed of the Month

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, 2023September 22, 2023 kcweeds

Weedy Fall Activities

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

January 12, 2022March 20, 2023 kcweeds

Old man’s beard – January 2022 Weed of the Month

bull thistle plant
February 19, 2021March 20, 2023 kcweeds

Bull thistle – February 2021 Weed of the Month

September 16, 2020March 20, 2023 kcweeds

Fragrant Water Lily – September 2020 Weed of the Month

false brome plants
July 6, 2020 kcweeds

False Brome – July 2020 Weed of the Month

May 16, 2020March 20, 2023 kcweeds

Goatsrue – May 2020 Weed of the Month

milk thistle flowering stems
March 5, 2020March 5, 2020 kcweeds

Milk Thistle – March 2020 Weed of the Month

closeup of orange hawkweed flower
June 5, 2019 kcweeds

Orange Hawkweed – June 2019 Weed of the Month

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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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