"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 ...

When's the last time you checked under the "hood" of your lawn? Thatch, the layer of organic debris under the lawn's surface, is a normal component of a healthy lawn, but if it gets too thick, it can ...

Part of maintaining a healthy lawn is knowing when and how to deal with the inevitable problem of thatch. Over time, a thick layer of dead grass, roots, and leaves accumulate all over your lawn as its ...