Last updated: August 7, 2021

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For many garden and property owners it is just as important as a lush garden itself: the lawn. In summer, it often suffers from the heat and dryness, and a snow-free but cold winter can also harm it. But construction work and garden parties can also take their toll on it.

Sometimes, however, it just doesn't seem to grow without any obvious external influences. In all cases, lawn soil can be useful to promote lawn growth or to improve the lawn. In our large lawn soil test 2021 we have put various types of lawn soil under the microscope and present our results here.




The most important facts

  • Lawn soil refers to a substrate industrially produced for the amateur gardener and plant lover, with which the lawn grows faster and healthier. This is applied to the topsoil and serves as a better base for the lawn with various nutrients.
  • The reason for using a lawn soil when seeding lawns is that it offers many advantages that are very rarely found in natural topsoil. These include, above all, a loose soil, water permeability and balanced nutrients such as compost, humus and fertilisers.
  • An optimal composition of lawn soil has not yet been clearly defined, but experts already have a general consensus: a good lawn soil should consist of at least 50% compost, about 35% humus and 15% sand. Depending on the properties of your topsoil, you can then choose the best product.

The best lawn soil: Our picks

Guide: Questions you should ask yourself before buying lawn soil

What is lawn soil?

Lawn soil is an artificial mixed soil that is spread on the garden soil before sowing the lawn in order to optimally promote the growth of the lawn.

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To grow the optimal green lawn, it is worth using lawn soil before sowing. (Source: pexels.com / Matty Cooper)

Even if you reseed your lawn, you usually need this substrate. Whether you want to have a play lawn or an ornamental lawn, lawn soil is indispensable.

What is the optimal composition of a lawn soil?

Experts have different answers regarding the optimal composition of lawn soil, it depends on the type of lawn you have. But there is one generally valid statement: a good lawn soil consists of at least 50% compost, approx. 35% humus and approx. 15% sand.

In addition, the pH value should be between 5.5 and 6.0. These rules can be used as a benchmark and you can use the optimal mixture according to your lawn and soil types.

As a gardener, what do I need the lawn soil for?

Compared to simple natural topsoil, lawn soil has some important advantages that are very crucial for the lawn to thrive. The most important functions of lawn soil are listed here:

Advantages
  • Looser structure for root development
  • Better water permeability and thus less clumping
  • Nutrients like lawn fertiliser
  • Optimal pH for nutrient supply
  • Elimination of height differences

You can use lawn soil optimally in combination with lawn fertiliser.

What properties should a good lawn soil have?

With these great properties, which are rarely offered by nature, lawn soil is very important for lawn growth.

The general rule is that if a lawn soil has

  • Can withstand stress
  • Is permeable to water
  • Has a stable structure
  • Has a balanced composition

then it is a good lawn soil.

Which lawn soil is suitable for me?

Depending on your needs and the area to be treated, a different product is always suitable. To find the right lawn soil, you first need to know your suitable garden soil and lawn type, these play the most important role in the selection of lawn soil.

If you are not sure what kind of topsoil you have, you can also have a soil analysis done by experts. The most commonly used buying criteria are shown in the following section.

How much does lawn soil cost?

We have compiled the prices of lawn soil on amazon.co.uk by brand to give you a rough idea.

Price segment Price
Lower 0,18€/litre~0,36€/litre
Middle 0,35€/litre~0,70€/litre
Higher 0,43€/litre~1,32€/litre

Can I mix my own lawn soil?

Buying ready-made products in the shop is of course the easiest way, but these are not specifically designed for your soil. A better alternative is to mix your own lawn soil. The video below provides an overview of the whole process of mixing your own growing soil:

How should I use the lawn soil?

The procedure for using the lawn soil is as follows:

  1. Loosen the soil
  2. Apply a thin layer (0.5~1.5 cm thick) of lawn soil evenly and evenly on the ground
  3. To roll the lawn soil
  4. Add the lawn seed
  5. To roll and water the plot again

When spreading the soil, you should always pay attention to any unevenness in the soil!

And after the new installation, of course, you must not forget to water, cut and, if necessary, fertilise your lawn regularly.

Purchase criteria: These are the factors you can use to compare and evaluate lawn soils

In the following, we will show you which criteria you can use to compare and evaluate lawn soils. This will make it easier for you to get an overview and decide on a suitable and effective device.

In summary, these are the following criteria:

  • Type of topsoil
  • Type of lawn
  • Application goal
  • Ingredients as well as nutrients
  • Peat-free

Type of topsoil

This point mainly determines the sand content of your lawn soil: e.g. with a compacted loamy topsoil you need a lawn soil with a higher sand content to loosen the soil and thus avoid waterlogging.

And if your soil is rich in lime, silicon-rich rock flour is a good idea. Conversely, lime-rich rock meals are a better choice for soils that are low in lime and acidic.

Lawn type

Lawns are not always the same, there are mainly 3 types of lawn: Shade Lawn, Play and Sports Lawn and Ornamental Lawn. Different types have different requirements for the soil, for example, the play lawn needs to be extra hard-wearing, while the ornamental lawn should grow finer, shorter and denser.

Application target

Whether you want to use the lawn soil for new planting, reseeding, regeneration or repair also plays a role in your selection.

Ingredients and nutrients

Lawns need certain nutrients to thrive and look more beautiful, so the ingredients of a lawn soil are of course crucial. When buying a product, these properties should be given preference:

  • With suitable and sufficient nutrients
  • With raw materials that are good for aeration and root development
  • With a pH value between 5.5 and 6.5
  • With natural ingredients such as microorganisms

Peat-free

It is also better if a lawn soil is peat-free. While peat soil is good for some types of lawn, it damages the soil because it acidifies the soil and you then have to add extra nutrients to deacidify the soil again.

In addition, the water can hardly be stored. The worst thing, however, is the overexploitation of peat soil, which destroys the habitat of many animal and plant species.

Image source: 123rf.com / 8235052

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