Noxious Weeds Blog

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

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Category: Weed Identification

two dogs looking surprised and angry in front of a cluster of foxtail grass growing along a sidewalk
January 14, 2026September 25, 2025 kcweeds

“Foxtail” Grasses & Dogs: Identifying, Understanding, and Taking Action

August 28, 2025September 4, 2025 kcweeds

Seedy & Weedy: A Visual Guide to Common Weed Seeds

June 16, 2025July 7, 2025 kcweeds

Accidental (or Intentional) Weed Reporting Using iNaturalist

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

Garlic Mustard Look-a-like Guide

poison hemlock clusters of white flowers
May 22, 2024March 18, 2025 kcweeds

Poison Hemlock: Know it, Dig it, Trash it

a person digging up poison hemlock
March 8, 2024December 20, 2024 kcweeds

Weedy Resources in King County

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

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, 2023June 20, 2025 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

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