"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 ...

A layer of dead organic material on your lawn, called thatch, is great in moderation. A thin layer of thatch acts as a buffer that keeps the soil moist, regulates its temperature, and adds nutrients ...

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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If your lawn isn’t as lush or vibrant as it should be, built-up thatch is likely the problem. This layer ...