Canada thistle is a noxious weed that’s hard to control in Colorado
Chances are you’ve probably seen this pesky weed around your property but just weren’t sure what it was called. It’s called Canada thistle (Cirsium arvense) and it’s a noxious weed very common on properties in Colorado. Its leaves contain tiny little “thistles” meant to ward off animals who might be looking for something to munch on,…