Noxious Weeds Blog

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

Menu Skip to content
  • Home
  • About
  • Specific Weeds
  • Tips
  • Program News
  • Español
  • Subscribe

Tag: poison hemlock

August 28, 2025September 4, 2025 kcweeds

Seedy & Weedy: A Visual Guide to Common Weed Seeds

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

Poison Hemlock: Know it, Dig it, Trash it

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

Annual bugloss (Lycopsis arvensis)
April 11, 2021March 20, 2023 kcweeds

Washington prohibits sale and distribution of twelve new plant species

April 10, 2020 martaolsonwlrd

Let’s pull together!

March 23, 2020 martaolsonwlrd

¡Ya empezó la temporada de la cicuta!

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

What’s weeding now?

March 17, 2020March 17, 2020 martaolsonwlrd

Poison-hemlock season is here

AmeriCorps members
November 18, 2019 kcweeds

Scary moment for restoration crew serves as a timely reminder about risks of poison-hemlock

February 14, 2019February 15, 2019 kcweeds

Poison-hemlock control now required on public lands and roads in King County (and Weeds of Concern list grows by two)

Posts navigation

Older posts

STAY IN THE LOOP!

Get notified about new posts by email.

subscribe to our newsletter! get blogs and updates in one email at the start of each season

Find more on our website:

kingcounty.gov/weeds

Archives

Powered by WordPress.com.
Noxious Weeds Blog
1601_5393_NoxiousWeedBLOGheader / Proudly powered by WordPress Theme: Apostrophe 2.