Owen HayesBy Owen Hayes

The best options for landscape edging are steel, aluminum, plastic or resin, poured concrete, natural stone, and wood timber, with each material suited to a different balance of durability, look, and installation effort. Steel and aluminum give the cleanest, lowest-profile lines, while stone and concrete suit heavy-use borders. Choose based on your soil, the shape of your beds, and how much digging you want to do.

Why Material Choice Matters More Than Most People Expect

Edging does two jobs. It holds mulch, soil, and gravel in place, and it creates a physical barrier that keeps turf from creeping into planting beds. A thin, flexible edging that works fine on a flat front yard may buckle within a season where tree roots push upward or where a mower wheel rides against it every week. That is why the material you pick should match the stress it will take, not just the look you want.

Shopping for one? See our guide: 6 Best Metal Landscape Edging Material Options for Clean Lawn Lines.

Appearance matters too. A crisp steel edge reads as modern and formal, a stone border looks rustic, and a flexible plastic strip disappears into the lawn. The wrong choice can look out of place against your house, walkway, or fence, so think about the whole frame of the yard before buying.

Factors That Decide Which Edging Works Best

  • Shape of the bed. Straight runs suit nearly any rigid material. Tight curves need flexible steel, aluminum, or bender board that bends without kinking.
  • Soil and drainage. Loose or sandy soil lets stakes pull out, so you need longer stakes or a concrete base. Heavy clay can heave edging in freeze-thaw climates.
  • Mower and trimmer traffic. Edging that sits flush with turf should resist string trimmer nicks. Stone and metal hold up better than soft plastic.
  • Height above grade. Low-profile edging (about 1 to 2 inches above soil) keeps the mower deck clear. Taller borders hold mulch deeper but can become a trip hazard.
  • Installation effort. Stake-in metal and plastic go in with a rubber mallet in an afternoon. Poured concrete and stone require forms, base material, and more time.

Breaking Down the Main Options

Steel Edging

Steel is a strong all-rounder. Heavier gauges resist bending from root pressure and mower contact, and it can be shaped into gentle curves. Galvanized and powder-coated finishes are common because bare steel rusts over time. Manufacturers typically specify stake spacing of around 18 to 24 inches, so check the packaging for exact figures.

Aluminum Edging

Aluminum is lighter than steel and won’t rust, which makes it popular for gardens with sprinkler systems or irrigation lines nearby. It is less rigid, so it can bend with frost heave, but thin profiles may require closer staking to prevent waviness.

Plastic and Resin Edging

Plastic and recycled-resin strips are the budget-friendly choice and the easiest to bend around corners. They work well in beds with light traffic. Owners often report that cheaper plastic becomes brittle in cold winters or sun-baked summers, so look for UV-stabilized material.

Poured Concrete Edging

Poured concrete produces a permanent, monolithic curb that handles mowers, heavy mulch, and foot traffic without shifting. It takes the most work, since you need a trench, forms, and time to cure, and it is hard to undo once it sets.

Natural Stone and Paver Edging

Flagstone, cobblestone, and cut paver pieces give a high-end, natural look. Set them on a compacted gravel base, bedded in sand or mortar, to keep them from rocking. Stone is heavy and labor-intensive, but it lasts for decades.

Wood Timber and Bender Board

Landscape timber gives a warm, rustic edge and is straightforward to cut and stack. Untreated wood rots in contact with soil, so use rot-resistant species or treated lumber rated for ground contact. Bender board, which is flexible wood or composite strip, suits curved beds and is easy for DIYers.

Practical Steps for Choosing and Installing Edging

  1. Measure the total linear footage of each bed, then add 10 percent for cuts and waste.
  2. Sketch the shape and mark any tight curves, since they limit which materials you can use.
  3. Check soil type and drainage. Dig a test hole to see how deep the soil stays loose or wet.
  4. Decide on height. For mower clearance, keep edging roughly 1 to 2 inches above grade.
  5. Pick the material that matches your traffic level, shape, and tolerance for installation work.
  6. For staked edging, set the stakes on the bed side and keep the top edge level with a string line.
  7. For concrete or stone, excavate, add a compacted base, and check level as you go.
  8. Backfill the bed side with soil or mulch to lock the edging in place.

What We’d Use

For most homeowners with mixed straight and curved beds, a galvanized or powder-coated steel edging offers a clean profile and solid staking. View on Amazon

If your beds run along a sprinkler line or you want something that won’t rust, aluminum edging is a good match for the job. View on Amazon

For sharp curves and quick DIY installs, flexible bender board or resin strips are the most forgiving choice. View on Amazon

Which edging lasts the longest?

Poured concrete and natural stone typically last the longest, often for decades, when properly based. Steel and aluminum also last many years if installed with adequate stakes.

Can I install landscape edging myself?

Yes. Stake-in steel, aluminum, and plastic are well within DIY reach. Concrete and large stone projects are heavier, so consider hiring help if you are unsure about digging or leveling.

How deep should edging go into the ground?

Most staked systems go in far enough that the top sits at the desired height above grade, with stakes driven fully into soil. Check the manufacturer’s instructions for the exact depth of your product.

Does edging stop grass from spreading?

It helps but doesn’t always stop rhizomes. Deeper barriers, such as a buried edging strip, work better against aggressive spreaders like Bermuda grass. See our guide on Grass Barrier Landscape Edging Options: Expert Picks for Clean Lines for more detail.

What about edging around trees?

Keep edging outside the root zone where possible, and avoid cutting roots deeper than necessary. For more on specific materials, see Top 8 Poured Concrete Landscape Edging Options for Clean Lawn Lines and 8 Best Metal Landscape Edging Options for Clean Lawn Lines (2026). Consult a certified arborist before doing major excavation near mature trees.

Ready to choose one?

Owen Hayes

About Owen Hayes

Owen writes about lawn edging & trimming. Each guide starts with research into how products are built and what owners report after months of use, and is revised when better options appear.