Caleb MorganBy Caleb Morgan

Updated November 2026

Learning how to cut steel landscape edging lets you fit strips to curves, corners and odd lengths without bending or wrecking the metal. With the right blade, a few measurements and a steady hand, you can get square, burr-free ends that sit flush against the ground and the next piece. The process takes only a few minutes per cut once you have the setup right.

Choose the Right Cutting Tool

Steel edging is thin, but it is hard enough to dull ordinary blades quickly. Most landscapers use one of three approaches:

Shopping for one? See our guide: 7 Best Steel Edgings for Landscape Options for Clean Lines (2026).

  • Abrasive cut-off wheel on an angle grinder. This is the fastest option for thick or galvanized steel. It throws sparks and heats the metal, so it needs care.
  • Metal-cutting bi-metal reciprocating saw blade. Good for controlled cuts in tight spaces. Use a fine-tooth blade rated for metal.
  • Aviation or tin snips. Practical for thin, flexible steel edging and for trimming small amounts. Expect some curling at the cut.

Whichever tool you pick, wear eye protection and gloves. Steel edges are sharp, and grinder discs can shatter if they are cracked or rated for a lower RPM than your tool.

Mark and Measure Before You Cut

Measure the bed you need to fill, then add nothing. Edging is usually installed end to end, so a cut that is even a quarter inch off can leave a visible gap at a joint. Use a permanent marker or soapstone and draw a line across the full width of the strip. Wrap painter’s tape around the strip at the cut line, which keeps the metal from scratching and gives you a clearer guide.

If you are fitting a curve, lay the strip in place first and mark where it meets the edge of the bed. Cut slightly long, then trim in small increments until it fits.

Make the Cut Step by Step

  1. Clamp the strip to a sawhorse or workbench so it cannot shift. Keep the cut line just beyond the edge of the support.
  2. Support the offcut so it does not drop and bend the main piece.
  3. For an angle grinder, keep the disc perpendicular to the strip and let the wheel do the work. Do not force it, since pressure causes the disc to bind and overheat.
  4. For snips, cut in short, overlapping bites rather than one long squeeze. This keeps the edge straighter.
  5. Pause and let the metal cool if it turns blue or dark. Heat warps thin steel and weakens the coating.

Deburr and Finish the Edge

Every cut leaves a sharp burr. Run a file or flap disc along the cut edge to remove it, working from the top surface toward the bottom. Check the fit against the next piece, then wipe the cut area with a rag. If you cut through a powder-coated or galvanized finish, touch up the exposed metal with a zinc-rich or matching paint to slow rust.

For more on setting finished pieces, see How to Install Metal Landscape Edging: A Step-by-Step Guide for Clean Lines, which covers stakes, spacing and alignment after cutting.

Common Mistakes to Avoid

  • Cutting without marking both sides of the strip, which leads to crooked ends.
  • Letting the grinder overheat, which discolors the steel and weakens the finish.
  • Skipping the deburring step, which makes handling and joint fit uncomfortable.
  • Cutting unsupported strips, which bends them out of shape.
  • Using a worn-out blade or disc, which tears rather than cuts.

A quality cut-off wheel rated for metal makes the grinder work cleaner and safer. View on Amazon

A flap disc or metal file speeds up deburring and gives a smoother finish on the cut edge. View on Amazon

Compound aviation snips handle thin steel edging and tight curves without tearing. View on Amazon

FAQ

Can I cut steel landscape edging with regular scissors?

No. Household scissors will not handle the hardness or thickness of steel and will likely be damaged. Use aviation or tin snips for thin edging, or a metal-cutting blade for thicker strips.

Do I need to seal the cut end of steel edging?

For galvanized or powder-coated edging, touching up the exposed metal with a rust-inhibiting paint helps prevent corrosion at the cut. Bare steel benefits from the same step.

How much should I leave for overlap when joining two pieces?

Many installers cut each piece so the ends butt together cleanly rather than overlapping. Check the manufacturer’s joining instructions, since some systems use connectors that require a specific gap.

Conclusion

Cutting steel landscape edging cleanly comes down to choosing the right tool, marking accurately and taking the time to deburr. Work slowly, keep the metal cool and support every piece as you cut. With those habits, your borders will look sharp and stay tight for years.

Ready to choose one?

Caleb Morgan

About Caleb Morgan

Caleb Morgan is part of our editorial team and reviews and edits our lawn edging & trimming guides, checking product details against manufacturer specifications and owner feedback.