[header] How to install landscape edging [title] Mark the area with spray paint. [step] Use an old garden hose to mark the perimeter of the area you want to edge. Once it's laid out in the shape and size you want, spray paint the ground around the outside edge of the perimeter. 
[title] Dig a trench with a spear-headed shovel. [step] Use the shovel to start digging a trench along the spray painted line.