"Vinegar burns the tissue that it comes in contact with," says May. "This technique can work for annual or biennial types of thistle, but won't do much to control perennial types." ...

Q:When we moved in to our house six years ago, the previous owner had allowed the thistles in the corner of a flowerbed to get so large it was an actual bush. We ripped it out, put heavy plastic ...

I've used a 15 percent solution successfully to kill dock, dandelion, lamb's quarters, pigweed, thistles and quack grass." Vern's column includes a recipe for herbicidal vinegar, several cautions ...