If you’ve made it outside on a recent sunny day, you’ve probably noticed the abundance of flowers blooming in gardens, parks, forests, and throughout King County right now. Unfortunately, the noxious weeds are out there, too—many of them bolting, flowering,… Read More ›
Weed Identification
Milk Thistle – May 2018 Weed of the Month
If you’ve ever walked barefoot in a field, chances are you’ve felt a thistle: those spiny-leaved plants that prick your feet and make you jump. Left unchecked, they produce purple or pink flowers at stem ends and plenty of seeds…. Read More ›
Noxious weed shiny geranium spreading on Vashon Island and other places in King County
When noxious weed specialists Maria Winkler and Minwook Park drove down a quiet street on Vashon Island earlier this spring, they were alarmed to find a large, dense carpet of shiny geranium lining the road. It wasn’t the first time… Read More ›
Poison-hemlock (Conium maculatum) April 2018 Weed of the Month
Poison-hemlock, the toxic cousin of the carrot, is easy to spot in April. Look for the large mounds of bright green, lacy-looking leaves on stout, purple-spotted stems rising up above the grass. It’s important to recognize because poison-hemlock (Conium maculatum)… Read More ›
King County’s noxious weed program tackles several high priority species in April
King County’s noxious weed specialists have their hands full this month and it isn’t going to get easier anytime soon. Top priority noxious weeds they are focusing on this month include garlic mustard, European coltsfoot, giant hogweed and shiny geranium…. Read More ›
European coltsfoot (Tussilago farfara) March 2018 Weed of the Month
Just added to the Washington State Noxious Weed List in 2018, European coltsfoot (Tussilago farfara) is still new to many of us in the noxious weed world. However, this interesting species has been used as a medicinal plant in China… Read More ›
Scotch Broom – February 2018 Weed of the Month
There are three things I often hear about Scotch broom (or Scot’s broom, which may be the correct common name, but is not as commonly used). First, people tell me they hate this plant because they are allergic to it…. Read More ›
Noxious weeds seen flowering in February in King County
There are already a few noxious weeds you might spot flowering around here this month. Just today I noticed flowers on a spurge laurel plant I have potted up for education events. Spurge laurel (Daphne laureola) is a smallish evergreen… Read More ›
Register now for free classes on noxious weeds being offered this spring
If you are interested in learning to identify and control noxious weeds and other invasive plants (or just to freshen up your skills), then we have the classes for you! We have two options to choose from: a two-hour evening… 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 ›