Build a retaining wall to add an architectural element to your landscape design and create a raised planting bed. We’ll show you how to make a retaining wall and give you retaining wall ideas for your front or backyard to make the most of your outdoor space.

There are several retaining wall systems to consider when choosing the building materials for your wall. You can choose regular block that simply stack together for a gravity-held wall, a block system that works with pins for easy and secure assembly, or block with an interlocking lip as we did for this project. The lip creates a locking flange on the block that provides reinforcement, making your retaining wall ideas easier to accomplish. You can stack interlocking retaining wall block to build walls up to 24 to 36 inches high, depending on the size of the block. Follow the block manufacturer’s instructions for wall-height limits.

Plan your layout. Avoid having downspouts pointed at the retaining wall and, if the layout is against the house, keep soil and mulch well below the siding.

Your retaining wall design will determine how you mark the area. To mark a free-form layout, use a rope or hose to outline the shape. Then use a shovel to mark the outline. For straight lines, mark the entire bed area with stakes, string and marking paint. Mark curved corners by tying a string to a stake that’s equal distance to the edge — creating a compass — and spraying the curves with marking paint.

To determine how many blocks you’ll need per row, divide the total length of the wall by the length of a block. To see how many rows you’ll need, divide the ideal wall height by the height of a block; account for the first row to be half buried. See our Retaining Wall Block Calculator and Planning for a Block Retaining Wall for more information on estimating project materials.

Before you buy materials or begin installing a retaining wall, check local building codes and your homeowners association regulations to see if there are any restrictions or requirements you need to follow. A permit may be mandatory in some areas.