I have half a bag of small, smooth stones left over from a project. This sounds interesting, I will give them a try. Maybe a fine brush with oil base paint, Liquid Paper, or nail enamel would also work for the lettering. Cathy Craig President PBS Maritime zone 9b > I saw an Oregon plant breeder's garden with good looking labels. He > had used rocks. They look natural, and birds don't pull them out. I > tried this years ago, but the felt pen wore off quickly. He uses > paint pens, and the paint lasts well.