The 2021 King County Noxious Weed List, adopted by the Noxious Weed Board at its January meeting, gained two new species and a number of plant name changes. The first addition to the list is a new Class A noxious… Read More ›
Program News
Duvall and King County plan rapid response to new aquatic weed found upstream of the Snoqualmie River
In mid-November 2020, a highly observant second grader and her parent reported seeing Egeria densa in Duvall’s Lake Rasmussen. Egeria, also called Brazilian elodea, is a densely growing underwater plant native to Brazil and Argentina that was accidentally introduced to… Read More ›
King County Weed Board seeks input on the annual noxious weed list
To protect people and the environment from harmful plants, the King County Noxious Weed Board will be adopting the 2021 noxious weed list at a public meeting on January 27 in order to set the priority level of noxious weeds… Read More ›
I dream of knotweed: the Water and Land Resources Division at work
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 ›
Why oh why is there so much tansy ragwort this summer?
As if 2020 wasn’t hard enough, tansy ragwort is exploding this year! Noxious weed specialists who have worked on it for a decade or more think it is one of the worst years they’ve seen. Is it just the bad… Read More ›
Goatsrue – May 2020 Weed of the Month
The story behind this month’s noxious weed is sadly ironic. First introduced from the Middle East to Utah in 1891 as a possible forage plant, it soon became evident that it contained a poisonous alkaloid making it toxic to livestock… Read More ›
Weeds don’t practice social distancing
Even though much of King County has been paused under Governor Inslee’s Stay Home/Stay Healthy order, the weeds aren’t cooperating. Staying home has provided some benefits to our natural environment. You may have heard the uplifting stories about some of… Read More ›
Let’s pull together!
Stuck at home? Outdoor events cancelled? Feeling disconnected from your community? You’re not alone! Life is different under the Stay Home/Stay Healthy order. In order to slow the spread of COVID-19 we are all practicing social distancing. But it’s still… Read More ›
Steps the noxious weed program is taking to help slow the spread of COVID-19
The King County Noxious Weed Control Program is following the guidance of Public Health – Seattle & King County on the COVID-19 outbreak to help prevent the spread of novel coronavirus in our community. We will use the Noxious Weeds… Read More ›
Milk Thistle – March 2020 Weed of the Month
Milk thistle is a perfect example of how plants can have both positive and negative impacts. On the one hand, milk thistle is a Class A noxious weed and quarantined species in Washington because of its negative impacts on pastures… Read More ›
