If you’ve swam or paddled in Seattle’s Green Lake, you’ve probably seen and felt the masses of feathery Eurasian watermilfoil in the water. It’s not fun to swim through, and its growth has been a challenge for lake users for… Read More ›
News
Washington prohibits sale and distribution of twelve new plant species
In a big boost to preventing further introductions of invasive plants, 12 new species have been added to the state’s quarantine list. More than half of the added species were used as ornamental landscape plants and have since escaped into… Read More ›
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 ›
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 ›
Scary moment for restoration crew serves as a timely reminder about risks of poison-hemlock
Even an experienced restoration crew following all the safety precautions can be at risk when working around poison-hemlock. By being aware and responding quickly, Nellie Hannah, Forterra’s WCC crew supervisor, and her team of AmeriCorps members are all fully recovered… Read More ›
Poison-hemlock control now required on public lands and roads in King County (and Weeds of Concern list grows by two)
At the 2019 Weed List Hearing held on January 23, the King County Noxious Weed Control Board added poison-hemlock to the list of regulated noxious weeds for King County, with control required on public property and public rights-of-way in cities and… Read More ›
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 ›
Help test the new smartphone app for reporting noxious weeds in King County
UPDATE Feb 15, 2019: The app is now available for both Apple and Android devices! For more information, see King County Connect mobile app Do you live, work or explore the outdoors in King County? If so, we could use… Read More ›
King County Weed Board to consider poison-hemlock status change at 2019 Weed List Hearing
On January 23, the King County Noxious Weed Control Board is holding its annual weed list hearing, including a proposal to make poison-hemlock a regulated noxious weed, with control required on public lands. The Board welcomes public input on this… Read More ›
What’s the connection between Washington’s fruit crops and tree-of-heaven?
An invasive insect harming grape vines and other crops in the northeastern United States might show up in Washington soon and scientists are using another invasive species to help them detect it early. Tree-of-heaven (Ailanthus altissima), an invasive tree species… Read More ›
