"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Decayed grass blades and stems—known as thatch—can prevent your lawn from absorbing the water and oxygen ...

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.

Dethatching is the process of removing thatch from the lawn. Thatch is a combination of organic and inorganic matter that builds up over the topmost layer of your grass. It generally consists of ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A key step to growing and maintaining lush, green grass is removing thatch from your ...