For the timber processing device, see lumber edger.
For the laminate processing device, see laminate trimmer.

An edge trimmer or lawn edger is a tool, either manual or motorised,[1] to form distinct boundaries between a lawn, typically consisting of a grass, or other soft botanical ground cover, and another ground surface feature such as a paved, concreted or asphalted area, or a granular material such as sand or gravel, or simply uncovered soil, for example an unbounded garden.[2]

There are six main types of lawn edger:

Purpose designed lawn edgers are more time efficient for long even edges and string trimmers are more efficient for angular edges and around interrupting features such as rocks.[4] Spade based, roller based, and adaptable string trimmer designs may all be known as stick trimmers.

Typical situations for the use of lawn edgers are to define clean boundaries, and stop grass incursion, between lawns and walkways or gardens in private properties and public areas, and between sand traps and greens or fairways on golf courses.[2][5]

Manual lawn edgers

Spade based

Two typical spades

The simplest lawn edger is the standard spade, used as a vertical cutting blade.

A (half moon) lawn edger

Purpose designed manual spade based lawn edgers are a half moon shaped, semicircular, broad blade attached to an elongated handle and are used in a downwards and rocking motion.[1] The blade may have a flat top to allow the operator to step on the blade to apply more force. The blade is driven through the lawn and into the lawn substrate parallel to and adjacent to the hard boundary feature bordering the lawn, cutting any protruding lawn material. This type of lawn edger is also known as an edging iron.[3]

Roller based

There are two basic types of roller based manual lawn edgers. Both are driven by pushing a roller wheel along a hard surface adjacent to the lawn edge. One type causes a solid steel cutting disc to cut the edge of the lawn. The other type causes two star spoked discs to rotate against each other shear cutting the edge of the lawn.[1]

Hand shears

Edging hand shears

Hand shears come in many configurations, ranging from single hand operated at ground level to long handled, some with adjustable length, operated by two hands, with a right angle alignment of the shearing blades allowing lateral cutting from a standing position.[3]

Motorised lawn edgers

Powering motorised lawn edgers can be either by battery or mains electricity, or by petrol two stroke or four stroke engines.[1][5][6]

Adaptable string trimmers

Some string trimmers are designed so that they can be easily maneuvered with their head being positioned vertically instead of the default horizontal. Other string trimmers come with specific lawn edging attachments, or the one head can be pivoted to be realigned vertically.[1][5]

Lawn edging with a string trimmer will often be done with a blade fitted to the head rather than chord.

Purpose designed lawn edgers

Purpose designed lawn edgers are single purpose machines for longer lawn edging distances.[1][5]

Single wheel designs are lighter and more maneuverable than multi wheel deigns which are built for heavy duty work.[2]

Some designs allow the angle at which the cutting chord or blade or blades strike the lawn edge to be adjusted.[6]


The gasoline lawn edger was invented by Louis Faas Sr. of King o' Lawn Inc in the 1940s. The first gasoline edgers used a Briggs & Stratton 1.5 horsepower (1.1 kW) engine.

See also


  1. 1 2 3 4 5 6 7 8 9 "A Guide To Lawn Edgers". Reader's Digest Australia - Handyman. Retrieved 17 June 2016.
  2. 1 2 3 4 5 "Lawn Edgers". The Lawn Guide. Retrieved 17 June 2016.
  3. 1 2 3 "Lawn edging". Thrive - Carry on Gardening. Retrieved 18 June 2016.
  4. "Maintaining Buffalo Lawn Edges". Ozbreed Environmental Turf and Plant Breeding. Retrieved 18 June 2016.
  5. 1 2 3 4 "How to buy the best lawn edger". Out Door Power Buddy. Retrieved 18 June 2016.
  6. 1 2 "Edgers Reviews". Purch - 10 Top Ten Reviews. Retrieved 18 June 2016.

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