Crossposted from the King County Downstream blog, originally posted on September 25, 2020. By Gavin Tiemeyer. What does it take to be a Noxious Weed Control Specialist with King County? Prior to the pandemic and public health social distancing measures,… Read More ›
knotweed
Cross-border workshop on invasive species and exotic pests in Bellingham March 29
Join fellow invasive species managers, citizen scientists, researchers, gardeners, green industry professionals and more from British Columbia and Washington State at the day-long Invasive Species and Exotic Pest Workshop in Bellingham on Friday, March 29, 2019. The Bellingham workshop is… Read More ›
Control weeds in the fall to reduce work next year
In the cool, autumn months after the rains start up again, there is a window of opportunity for controlling many weeds. Digging and even hand-pulling is very effective in the fall when the soil loosens up with the rain and… Read More ›
Knotweed control classes offered June 20 and June 26
If you have knotweed that you want to control, taking a class might be a good first step. Our riparian team will be teaching two sessions of our popular free workshop on invasive knotweed control on June 20 and June 26…. Read More ›
Invasive weeds that are ripe for action this time of year
All over King County invasive weeds are on the move, growing in parks, gardens, roadsides, and many other places. Now is a perfect time to get outside, enjoy the sun, and eradicate them! Below are some important invasive and noxious… Read More ›
King County Weed Board approves noxious weed list for 2018
The 2018 King County Noxious Weed List is official now! The King County Noxious Weed Board set the annual list at its January meeting, adding the new state-listed species and renewing county priorities to educate and require control of other… Read More ›
The Noxious Weed Horrors of Swamp Creek
Washington Conservation Corps crew member and plant enthusiast Colleen Braun hates noxious weeds. It makes her mad to see them invading into natural areas and taking over native plant habitat. So when Colleen and fellow WCC’er and photographer Cynthia Saleh… Read More ›
Noxious weed control tips for September
Tansy ragwort (Senecio jacobaea) You might still be able to catch some late-flowering tansy ragwort before the seeds get loose. Also, areas that were mowed or impacted by cinnabar caterpillars are likely to have plants flowering this month, especially after we… Read More ›
Puget SoundCorps Helps Stomp out Knotweed
Each year, the King County Noxious Weed Control Program gets a great boost of support from the Puget SoundCorps, a branch of the Washington Conservation Corps’ AmeriCorps Program. Just when we need it most, the Washington State Department of Natural… Read More ›
It’s Time to Kill Your Knotweed!
It’s that time of year again: the weather’s hot, the ice cream stands are open, and King County’s invasive knotweeds (Polygonum spp.) are in full bloom. Don’t worry too much about your knotweed going to seed: King County’s most common… Read More ›