How To Horticulture - Lawn Edging

Lawn edging brings 3 key benefits to a lawn


  1. The edging is a convenient surface to cut against with a strimmer or lawn edging shears, speeding up regular maintenance of the lawn.
  2. The edging creates a barrier against grass roots, stopping it from invading your borders.
  3. Holds the shape of the lawn edge eleminating re-cutting of the lawn edge.

This guide is based on the installation of smooth (not spiked) Metal edging. Metal edging lasts much longer than wood or plastic it is easier to install than wood and more durable than plastic. However it is also considerably more expensive.


  1. Dig a narrow trench (the narrower the better) with a vertical edge against the lawn, the trench depth must be equal to the depth of the edging.
  2. Connect all the edging together and slide it into the trench with the peg holes facing away from the lawn, check that it is not proud of the lawn in any places, if necessary either adjust the depth of the trench or the height of the lawn to ensure that the edging is flush with the soil in which the grass is growing. If the product you're using has recessed pegs (pegs that are lower than the top of the edging when installed) you can install the edging with the peg holes facing the lawn, this will hide the pegs producing a neater finish.
  3. Adjust the length of the edging by sliding the final sections against each other, if necessary the edging can be cut with a hacksaw (See notes).
  4. when you are happy with the position, insert pegs using a rubber mallet starting at one end work your way around the edging regularly checking that it is in position.
  5. Fill in any gaps on the lawn side of the edging with either fresh top soil or the diggings from the trench.
  6. You may also need to spread some soil on the lawn if it is lower than the edging at any point.
  7. What you do with the opposite side of the edging depends on what you are using the area for, the edging can be exposed if it is a lower border, or you can fill the trench back in if the edging is simply to be used as a root barrier.




Cutting - Make a small cut around 1cm deep through the top and bottom of the section then find a suitable hard work surface such as a work bench and bend the edging over the work surface along the cuts, turn the section over and bend in the opposite way, repeat this until the section breaks off. When ever possible hide the cut end behind another section when sliding the pieces together.

Bending - you can use a solid surface to bend the edging into the desired angle, be careful to have the product straight when you bend it, you may find it easier to get a nice bend by making a small cut in the bend position at the base of the edging.

Careful of sharp edges, the cuts and bends may produce sharp edges which should be filed down to prevent accidents.



  • Spade
  • Rubber Mallet
  • Hack saw
  • File



  • Lawn edging and pegs