Noxious Weeds Blog

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

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Tag: Himalayan blackberry

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

April 10, 2020 martaolsonwlrd

Let’s pull together!

June 18, 2018June 21, 2018 theweedsbeat

Himalayan Blackberry – June 2018 Weed of the Month

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