Lawn mower edge: How to correctly lay a mowing edge - Instructions

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Lawn mower edge: How to correctly lay a mowing edge - Instructions: lawn

The lawn usually occupies the largest room in the garden. But that also means that it also means that it borders practically everywhere - on beds, trees and bushes as well as sidewalks, sheds and house walls. Since it makes perfect sense to distinguish the individual areas by so-called mowing edges of the lawn decidedly. In the case of beds this is even urgently advisable.

basic problem

Grasses are inherently prone to spreading out of control. If you give them free rein, they are constantly conquering new terrain. Basically, that's not wrong. In the garden, however, it can lead to plenty of clutter and growth problems. Especially in flowerbeds and bushes you definitely want to have no unwanted grass. To avoid this, a strict distinction to the lawn is necessary. The so-called grass edging stones have proven to be ideal. They reliably ensure that the area growth of the lawn is limited. The prerequisite for this: they must be between ten and 15 centimeters deep in the ground. Consequently, a small ditch for the stones and possibly also for a foundation must be dug in order to accommodate the stone barrier can.

Edging stones

Lawn edging stones are available at garden stores or at hardware stores. They are available as concrete casting in different shapes and designs or as natural stones. For which one decides is above all a question of the personal taste - and the purse. Natural stones are sometimes considerably more expensive than cast stones. Depending on the design and size, concrete casts cost between € 2.50 and € 6 per meter. Of course, how many stones you need depends on the length of the boundary you want to set. Accurate measurement is therefore a prerequisite in order to determine the need. It is advisable to measure generously. This is especially true when the stones are not in a straight line, but curved or arranged in a circle.
Tip: For larger quantities you should have the grass edge stones delivered by truck, because quite quickly a considerable weight can come together, for which your own car is usually no longer designed.

Tools and materials

Meadow without lawn edge

The most important tool needed to set lawn edge stones is a so-called paving hammer, which tightens the stones. With a conventional hammer, the tapping should not even be attempted, as there is a high risk that the stones break. Paving hammers are available in different designs. The simplest of these is certainly the rubber mallet. The hammer head is not made of metal here, but made of durable hard rubber. It is sufficient for the installation of lawn mowing edges completely. In the hardware store, a good rubber mallet is already available from around ten euros. Furthermore you need the following tools:
  • spade
  • Meterstab
  • spirit level
  • line
  • masher
As for the other materials, the effort is very clear. Basically recommended is traditional building sand, on which the stones are placed, if you laid them without foundation. If, on the other hand, a foundation is required, it is imperative that cement and water be used in addition to the sand. If the stones are not laid in a straight line, but twisted or in a circle, it is recommended to record the shape in advance on cardboard and cut out. Conventional cardboard boxes are ideal for this.

Draw a ditch

First, it is necessary to dig a small ditch, in which later the stones will find space. The trench is logically drawn at the border between the lawn and, for example, the flower beds. He follows this limit. One lifts off with the spade soil. The spade sheet specifies the width. The depth, however, depends on the height of the purchased lawn edging stones. As a rule of thumb, the stones should protrude two to three centimeters above the earth's surface. These maximum three centimeters must therefore first be deducted. You should count 1.5 to 2 centimeters for a sand filling and up to 3 centimeters for a foundation.


Incidentally, digging the trench usually also determines whether it needs a foundation. If the soil proves to be very clayey, you can safely do without it and use a sand base. If, on the other hand, it is very sandy, there must be a foundation to permanently avoid sinking the stones. Even if it does more work - basically a foundation is recommended. On the one hand, it secures the small stone wall that you pull there. On the other hand, it forms an almost insurmountable barrier to the grass roots.

Bring foundation

With a loamy soil, it is sufficient, as already mentioned, to only introduce a layer of sand into the trench, on which the stones later come to rest.This layer should as evenly as possible have a maximum height of two centimeters. Ideal for this is construction or masonry sand. If you decide instead for a foundation, mortar must first be turned on. This is done by stirring in a large bucket or a tub four parts coarse mason sand with a portion of cement and relatively little water. The goal is a substance as tough as possible. Then this mortar is evenly introduced into the trench and tamped with the rammer. Once it has dried a bit, then the stones can be laid on it.
Note: When mixed 4: 1, the dried mortar can be relatively easily removed later, if necessary. So you do not build here for eternity.

Lay stones

Meadow - lawn - grass

Laying the lawn edge stones is then a breeze. It is important that they are as close together as possible. Here can be helped with the plaster hammer. The stones are hammered with the hammer not only from above, but always from the still free side. It goes without saying that the stones should finish flush at the top. Height differences can be compensated with the hammer. To be on the safe side, a spirit level should definitely be used. In order to achieve a really straight line, it is best to stretch a string on one of the sides along the entire length, so that you can orient yourself. Once all the stones have been laid, the edges of the ditch are filled up with soil and then tamped or stuck.


It may be that for aesthetic reasons, or simply because the topography so pretends not a straight stone course, but create a curved. At first you proceed as described above. But to get really clean curves, we recommend the use of a template, which you always put on when putting the stones. In addition, you should pay special attention to the spaces between the stones. As already mentioned, the stones should be as close together as possible. For round shapes, this is usually very difficult. Normally, gaps usually form. These should definitely be closed with mortar to get the lawn barrier really tight.

everyday practicality

Once laid, lawn edging stones do not require much attention or care. In everyday life, they hardly make themselves felt, although they clearly facilitate the mowing of the lawn, for example, through the clear demarcation. Incidentally, the height of two to three centimeters that they point out of the ground is no problem for all common lawnmowers. Of course, the stones are also hardy and can withstand frosts. In the fall you should only clean them with water from coarse dirt. Otherwise you have guaranteed no more work.

Video Board: How to Edge a Garden Bed With Brick - This Old House.

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