Noxious Weeds Blog

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

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Tag: garlic mustard

August 28, 2025September 4, 2025 kcweeds

Seedy & Weedy: A Visual Guide to Common Weed Seeds

fringe cup next to garlic mustard showing leaf similarity
June 11, 2025July 7, 2025 kcweeds

Garlic Mustard Look-a-like Guide

A noxious weed specialist spraying knotweed. The knotweed is growing several feet over head.
December 6, 2023March 27, 2024 kcweeds

King County’s Knotweed Control Program: Then and Now

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

April 22, 2021March 20, 2023 martaolsonwlrd

My Favorite Weeds (and some not-so-favorites) PART 2

April 16, 2021March 20, 2023 martaolsonwlrd

My Favorite Weeds (and some not-so-favorites) PART 1

September 29, 2020March 20, 2023 kcweeds

I dream of knotweed: the Water and Land Resources Division at work

May 4, 2020 martaolsonwlrd

Weeds don’t practice social distancing

Early garlic mustard flower in March
March 17, 2020March 20, 2020 kcweeds

What’s weeding now?

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

Control weeds in the fall to reduce work next year

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