Flower Bed Edging Ideas & How to Edge a Lawn

Mark your edge line

Lay a garden hose or spray-paint a line where you want the edge. For straight runs, use string tied between two stakes. Stand back and check the line from the street — that's the view that matters for curb appeal.

Make the initial cut

Using your half-moon edger or power edger, cut straight down 3–4 inches along the marked line. Keep the blade vertical — angled cuts create a shelf that grass grows over within weeks.

Cut the trench angle

Now angle your spade at 45 degrees from the bed side and cut toward your vertical cut. This creates a V-shaped trench. Remove the wedge of turf and soil. The trench should be about 3 inches wide at the top.

Clean and define

Use your spade to scrape the trench smooth. Remove any loose soil — drop it into the bed, not back on the lawn. The finished edge should show a clean vertical wall on the lawn side and a sloped wall on the bed side.

Maintain the line

Run your power edger or string trimmer along the edge every 2–3 weeks during growing season. This takes 5 minutes per 100 feet once the initial cut is done. It's the difference between a yard that looks professional and one that looks abandoned.

Outline the bed shape

Lay a garden hose on the ground to experiment with curves. Step back 20 feet and adjust until the shape looks balanced. For geometric beds, use stakes and string. Spray-paint the final line on the grass so you don't lose it.

Strip the turf inside the bed

If you're creating a new bed, use a flat spade to cut turf into 12-inch strips, then roll them up and relocate or compost. Don't rototill existing lawn — it chops grass stolons into pieces that each become a new weed in your bed.

Cut the perimeter edge

With the turf removed, cut a clean vertical edge around the entire perimeter using a half-moon edger. Go 4–5 inches deep — deeper than lawn edging because bed soil will settle over time and you need that depth to hold mulch.

Install your chosen edging material

For steel or aluminum, drive stakes every 4 feet along the edge line. For stone or brick, dig a 2-inch gravel base for drainage. For landscape timbers, secure with rebar driven through pre-drilled holes.

Add soil amendments and mulch

Fill the bed with 2–3 inches of compost mixed into the top 6 inches of existing soil. Then top with 2–3 inches of mulch, keeping it below the top of your edging so it doesn't spill onto the lawn. Use our mulch calculator to get the right volume.