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 ›
tansy ragwort
Control weeds in the fall to reduce work next year
In the cool, autumn months after the rains start up again, there is a window of opportunity for controlling many weeds. Digging and even hand-pulling is very effective in the fall when the soil loosens up with the rain and… Read More ›
County’s program steps in when people need a helping hand to battle tansy ragwort
It’s the first week of August, the days are hot, and there’s one plant on every Noxious Weed Specialist’s mind: tansy ragwort (Senecio jacobaea). This biennial, regulated Class B noxious weed grows throughout King County, especially on open, sunny sites… Read More ›
Top Priority Noxious Weeds on Vashon Island this Month
With the Vashon Strawberry Festival coming up and the Unofficial Mayor Contest in full swing, Vashon Island might seem like an idyllic world of its own, separated from the rest of King County. In some ways, it is; but when… Read More ›
Noxious weeds to watch for in June
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 ›
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 ›
King County’s 2018 Noxious Weed List to be set at January 24 Weed Board Meeting
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 ›
Noxious weed control tips for September
Tansy ragwort (Senecio jacobaea) You might still be able to catch some late-flowering tansy ragwort before the seeds get loose. Also, areas that were mowed or impacted by cinnabar caterpillars are likely to have plants flowering this month, especially after we… Read More ›
Weeds to Watch out for—August 2017
As we roll into August, plenty of noxious weeds across the county are blooming and going to seed, and those of us in the weed world are doing our best to keep up. Here’s what to watch out for this… Read More ›
Tansy Ragwort – July 2017 Weed of the Month
Cows and horses don’t seek out poisonous plants like tansy ragwort. But it’s hard for them to avoid exposure when the weeds take over their pastures, or line the trails where they are ridden. Although tansy ragwort is bitter and… Read More ›
