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 ...

How to tell if your lawn needs it, according to experts.

"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 ...