They’re at it again. The psychos with their tank sprayers all over the valley spraying thistle with the highly toxic chemical 2-4-D. You can see them with backpack-mounted sprayers, tank sprayers ...

Thistles have taken advantage of grass stands weakened by drought, and many southwestern Missouri fields now have large amounts of musk and bull thistles, says University of Missouri Extension ...

Portions of the two trails leading out of the Crow Valley Campground, Trail of the Mourning Dove and the Birdwalk Trail, will be closed for a few days starting Monday while the U.S. Forest Service ...

HOT SPRINGS - Staff members at Wind Cave National Park have begun spraying herbicides to control Canada thistle in the park, as a result of the recently completed Northern Great Plains Exotic Plant ...

Q. My two perennial beds have a lot of unwelcome thistle — I’m told it’s Canada thistle. I’ve been trying to keep the plants cut down to prevent the seeds from spreading but I am losing the battle.

Park officials say the spraying was needed because the Canada thistle is a noxious weed that otherwise would spread and interfere with the natural ecology in the park and nearby land. Badlands ...

Creeping thistle (Cirsium arvense) and spear thistle (Cirsium vulgare) are two of just five weeds labelled “injurious” under The Weeds Act 1959. Both are strong spreaders and competitors which invade ...

Cass County Weed Control will start spraying for noxious weeds in county, state and township road rights of way on June 2. Spraying for leafy spurge, Canada thistle, absinth wormwood and other noxious ...