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

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Tag: tansy ragwort

August 28, 2025September 4, 2025 kcweeds

Seedy & Weedy: A Visual Guide to Common Weed Seeds

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

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, 2023June 20, 2025 kcweeds

Summer Weeds to Watch for

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

large tansy ragwort plants with person in the background
August 5, 2020August 6, 2020 kcweeds

Why oh why is there so much tansy ragwort this summer?

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

Control weeds in the fall to reduce work next year

August 7, 2018 theweedsbeat

County’s program steps in when people need a helping hand to battle tansy ragwort

July 8, 2018 theweedsbeat

Top Priority Noxious Weeds on Vashon Island this Month

June 7, 2018June 7, 2018 theweedsbeat

Noxious weeds to watch for in June

cover image of the 2018 King County Noxious Weed List
February 8, 2018 kcweeds

King County Weed Board approves noxious weed list for 2018

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