Before installing your new trees from Screening Trees WA, and to ensure they have the best possible chance to establish and thrive quickly in your garden, we recommend the following:

Remove the existing topsoil/sand where the new trees are to be planted to a minimum of 100mm.

Build the soil quality by incorporating organic matter to the existing soil.

We recommend a consistent blend of 70% sand, 20% organic matter or humus and 10% clay.

Mix together and aerate the soil – the soil should be fairly dark and friable – but not too crumbly.

The organic matter you have just incorporated into the existing soil will contain organisms such as bacteria, fungus and nematodes, which will create a mineral source and luxury environment for your new trees!

Contact us for more information.


A major player in our sustainable tree farming is Humus.

Humus is the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

Humus is the storage system for three incredibly important substances:

  1. Carbon
  2. Water
  3. Minerals

These three have the most impact on soil, plant, animals, humans and planetary health.

Screening Trees WA use humus to increase water retention in our bags and boost natural nutritive trace elements, along with several important organic acids.

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