The Washington State Noxious Weed Control Board is considering several significant changes for next year’s state noxious weed list. These include adding small-flowered jewelweed (Impatiens parviflora) and European coltsfoot (Tussilago farfara) as Class A and B noxious weeds, respectively—additions originally proposed… Read More ›
It might look like the weeds won this year, but you can start gearing up for next year by attending a free class on noxious weeds and invasive plants being offered by the King County Noxious Weed Control Program. It is… Read More ›
It’s not every day you find a new noxious weed in your county, but this August King County had one of those days. On August 15th, our program was alerted to an infestation of the Class A noxious weed ricefield… Read More ›
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 ›
Invasive plants are a menace for a lot of reasons: They can cause serious harm to humans and animals; lower farmers’ crop yields; damage the mountains and lakes we love to visit, cutting back the tourism revenue for surrounding communities;… Read More ›
Weed Specialist Mary Fee paces through the wetlands at Dumas Bay Wildlife Sanctuary, scanning the cattails around her. Every few dozen feet she stops to inspect a smaller plant growing among them. She’s looking for perennial pepperweed (Lepidium latifolium),… Read More ›
On a sunny day in Snoqualmie with Mount Si in the background, 40 EarthCorps crew members donned their safety gear and got hands-on training in noxious weed control from the King County Noxious Weed Control Program. This enthusiastic group of… Read More ›
What’s five feet tall, has pink or purple flowers with spotted bracts, and costs the state of Montana $42 million each year? If you answered spotted knapweed (Centaurea stoebe), you’re right! A native to grassland steppes between central Europe and… Read More ›
Enjoying the recent spell of sunny weather? You’re not the only one: Across King County, a number of noxious weeds are already bolting, flowering, or going to seed, and our Weed Specialists are working hard to keep them under control…. Read More ›
On a cold and rainy May morning, I walk with Weed Specialist Karen Peterson along the bluffs at the west edge of Seattle’s Discovery Park. As usual, we’re here to control weeds—in this case, a large stand of Scotch broom (Cytisus… Read More ›
Noxious Weeds Blog 