If you're new to gardening and don't quite know if your current layout is "the one," using plastic edging may be the way to go. Wood edging "Wood edging can be used to contain raised planter beds ...

Start by digging out to a depth of 15-20cm for this path. This is to allow space for a layer of hardcore and brick edging ... Using a length of straight wood tap down until level with the outer ...

It's surrounded by a path that is two metres wide. They need to put edging stones on both sides of the path to strengthen it. Each edging stone is fifty centimetres long and costs twelve pounds.