In some areas, one of the monarch's main food sources, the milkweed plant, is considered a noxious weed. The number of areas (In Canada, at least) has gone dow

In some areas, one of the monarch's main food sources, the milkweed plant, is considered a noxious weed. The number of areas (In Canada, at least) has gone down over the years, which I expect is a plus for the monarch butterfly.