The mulch is another way of adding organic matter and humus to the ground. In addition it aids its enrichment and considerably protects against the drying caused by excess heat, diminishing the need for water. It helps to control the landscape and can add colour and texture to it. The materials used are:

- Bark.

- Husk of wheat.

- Hay.

- Pine needles.

- Sawdust.

- Pruning clippings

- Ground straw.

- Seaweed.