Dethatching allows moisture and nutrients back into the soil. ronstik/Getty Images Dethatching a lawn is an important process that keeps your landscape healthy. When thatch (a layer of dead grass and ...

Dethatching is an essential part of lawn maintenance. About half an inch of thatch is good for the grass because it can stabilize the soil temperature and prevent it from drying out too quickly. But ...

The first step is to mow the lawn so that the grass is about half its usual length. This will help prevent damage to the grass during the dethatching process and make it easier to remove the thatch.

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