2. Sea Shells We just had to put this utterly unique idea near the top of our list. Large seashells, like the quahog species seen here, make for a striking border in any garden. The contrast between earthy greens and seaside attraction creates a unique visual dichotomy that will be the envy of every gardener around. Larger shells can make for walls on their own, while some folks prefer to crush up smaller shells for a rock-garden effect. 3. Gabion Gabion is a word originally meaning “big cage,” and that’s exactly what this project employs to create a fantastic garden edge. These cages can be purchased at many gardening and home improvement stores, allowing you to fill the interior with a number of materials. Most popular is stone, as pictured below. We’ve seen cut logs, shells, terracotta, and other fillers, but the classic stone gabion garden edge is both modern and somewhat timeless. 4. Stones This idea is possibly the least labor-intensive o...
