This time of year, you may notice low clumps of bull thistle growing along trails or in disturbed grassy areas. Bull thistle (Cirsium vulgare) is also called spear thistle, which perfectly describes the mean-looking, spear-shaped leaves armed with sharp spines… Read More ›
bull thistle
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 ›
Invasive weeds that are ripe for action this time of year
All over King County invasive weeds are on the move, growing in parks, gardens, roadsides, and many other places. Now is a perfect time to get outside, enjoy the sun, and eradicate them! Below are some important invasive and noxious… 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 ›
Noxious weeds starting to emerge in early March
It might still be snowing in the mountains, but it’s not too early to find noxious weeds starting to emerge. On a recent tour of a few Seattle locations with noxious weed specialist Karen Peterson, I was able to find… Read More ›