easy no- dig, pound-in, interlocking landscaping edging kit 8" tall, 20' long gardener's supply company this is the quickest, easiest system you'll find for defining an edge between your lawn and flower beds or garden. simply pound each interlocking piece into the ground with a rubber mallet; in most soils there's no need for cutting, trenching or tearing up sod. to turn a corner, just bend the sections to form the angle you need.