To create a manicured lawn and flower garden, flexible plastic edging does a good job of separating the components of a landscape. The edging defines garden beds and paths and driveways, and prevents plants from creeping and spreading. The metal edging creates a fine line so the beds are set off and separated from the lawn, creating a tidy appearance.
Take some time to lay out the job with a long rope or garden hose so you’ll have a guideline to follow. This tells you how much material you’ll need to buy. Figure you’ll need time to dig out a trench about 5 inches deep and decide what you’ll do with the excess soil.