Grass has gotten into my perennial garden and a bed of ground cover. What is the best way to get rid of it, as it seems to be spreading? — Bob Appleton, Woodstock Grass is difficult to eradic… ...

What is one of the worst lawn weeds? Somewhere on every gardener’s list is crab grass. There is no selective chemical control marketed for crab grass in your lawn. Most lawns invaded by crab … ...