Caleb MorganBy Caleb Morgan

Updated November 2026

Landscape timber edging ideas give you crisp, permanent borders around beds, walkways and lawn edges without much specialized equipment. This guide covers six practical designs, how to match each one to your yard, and the mistakes that cause timbers to shift or rot early. By the end, you will know which layout fits your space and how to install it so the line stays straight.

Choose a Design That Fits Your Space

Timber works best where the edge needs to hold a clear line. Straight runs suit rectangular beds and lawn borders, while gentle curves call for shorter pieces cut to follow the arc. Stacked two-high borders create a raised look that also blocks mulch from spilling onto the grass. Single-height timbers keep things low and understated, which works well along sidewalks and patio edges.

Shopping for one? See our guide: 7 Best Landscape Timber Driveway Edging Options for Clean Lines (2026). A related read: Sloping Backyard Landscape Ideas: 7 Ways to Tame a Hillside.

Six Timber Edging Designs to Consider

  1. Straight single-course border: One timber laid flat or on edge along a bed line. Simple, fast, and easy to keep level.
  2. Double-stacked raised border: Two timbers stacked and pinned together. Good for holding deep mulch or sloped beds.
  3. Curved bed edge: Shorter timber lengths, cut or overlapped at the bends to follow a soft curve.
  4. Stepped-height border: Timbers that rise toward a corner or taper down toward a walkway, adding visual interest.
  5. Corner-post framed border: Vertical posts at each corner with horizontal timbers between them, giving a boxed, garden-bed look.
  6. Lawn-to-bed transition: A low, flush timber set just above grade so a mower can pass over it without scalping.

How to Install Timber Edging Step by Step

Good edging depends on a level trench and firm anchoring. Mark the line with a garden hose or spray paint first, then work through the steps below.

  1. Dig a trench slightly deeper than one timber’s thickness, usually 2 to 3 inches for standard landscape timbers.
  2. Lay a 2-inch base of crushed gravel or sand and tamp it flat.
  3. Set the first timber, check it with a level, and adjust the base until it sits true.
  4. Drill pilot holes through the timber and drive rebar stakes or landscape spikes at each end and about every 3 to 4 feet along the run.
  5. Stack additional courses if needed, offsetting joints so seams do not line up.
  6. Backfill the outside edge with soil and tamp it firmly to lock the timber in place.

Tools You Will Need

  • Spade or flat shovel
  • Four-foot level
  • Rubber mallet
  • Drill with a long bit for pilot holes
  • Rebar or landscape spikes
  • Crushed gravel or sand for the base

Match Timber Type to Your Climate and Use

Pressure-treated landscape timbers resist ground contact much better than untreated lumber, which can rot within a few seasons where the soil stays wet. Manufacturers typically rate treated timbers for ground contact, so check the label before buying. Keep timber a few inches away from plants that need consistent watering, since treated wood can leach chemicals and the dry edge may stress nearby roots.

Use case Best design Key consideration
Mulched flower bed Double-stacked raised border Anchor with extra spikes
Lawn edge Lawn-to-bed transition Keep flush for mower clearance
Curved garden bed Curved bed edge Use shorter cut pieces
Walkway border Single-course border Set level with the path

Common Mistakes to Avoid

  • Skipping the gravel base, which lets timbers sink and tilt within a season or two.
  • Placing spikes too far apart, so the stack bows outward under soil pressure.
  • Letting joints line up across courses, which weakens the wall.
  • Setting timbers too high, leaving the lawn side exposed and harder to mow.
  • Rubber mallet: Taps timbers into position without splintering the edges. View on Amazon
  • Four-foot level: Checks each run for level and keeps the line consistent over long distances. View on Amazon
  • Landscape spikes: Hold timbers in place and resist shifting as soil settles. View on Amazon

FAQ

How deep should I bury landscape timbers?

Set the first course so about one-third to one-half of its height sits below grade, with the rest above. This keeps the timber stable without making it hard to see.

Can I use untreated wood for edging?

Untreated wood will break down faster where it touches moist soil. Pressure-treated timber rated for ground contact is the safer choice for borders that stay damp.

How far apart should the stakes go?

Place one stake at each end of every timber and roughly every 3 to 4 feet along longer runs. Closer spacing helps on slopes or in loose soil.

Conclusion

Timber edging rewards careful planning: choose a design that suits your bed shape, dig a level trench, and anchor each course firmly. A well-built border will hold its line for years and make your beds look intentional. Start with one straight section to get the technique right before tackling curves.

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.