Lawn dethatching is amongst one of the most important parts of proper lawn care. This service is, a lot of times, overlooked by homeowners. Thatch is actually a layer of dead grass, roots and debris that is created between the surface and the grass above. Removing the thatch from your lawn will prevent pests and disease from forming. It is recommended that dethatching your lawn should be done dsuring the beginning of spring before your grass turns green. If when looking at your lawn you are seeing a lot of brown, this is usually an indication that your lawn needs to be dethatched.