In general, that means digging a trench around your garden bed that is about ... 20-foot-long Gardzen Landsape Edging Border. Because it's flexible, corrugated metal is easy to contour around ...

There are many kinds of edging availableplastic, wood, metal and concrete ... Lay out the shape of the bed with a rope or garden hose, then use a flat-blade spade to make a trench.