"Many wild plants are appropriate in gardens. In fact, a large number of the plants we regard as are actually plants imported from other countries as garden flowers, which have escaped into the wild, liked the environment, and naturalized themselves. And many a garden plant, fine in one spot, can be an unwelcome guest in another. Even the right plant in the right spot can be weedy if there's too much of it; in that case you must weed it out along with the , , and . (Why do weeds always have the best names?)"