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 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 ›
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 ›
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 ›
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 ›
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 ›
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 public is invited to join the King County Noxious Weed Control Board for King County’s annual weed list hearing, where the Board will hear public comments, review proposed weed list changes, and set the official 2018 King County Noxious… Read More ›
Got ivy? The Washington State Noxious Weed Control Board wants some! Or, rather, they would like to get samples from ivy populations that are growing wild in Washington. To help figure out which varieties of ivy are escaping cultivation and… Read More ›
Late fall is a great time to trim butterfly bush plants before the seeds fly away. Seeds can move 40 miles away on the wind and take root everywhere from roadsides to pristine rivers. The blooms have mostly lost their… Read More ›
