Frequency: Annually
Lawn dethatching is a process that removes the layer of living and dead thatch caused by excessive clippings that settle to the bottom of the lawn or general winter matting due to the snow-load. A lawn dethatching attachment is installed on a commercial lawn mower and essentially breaks up thatch and combs out the lawn to stand the thatch upright, allowing it to be cut.
Dethatching is a proactive approach to maintaining a healthy lawn. If an excessive thatch layer exists in the lawn, it may be recommended to use a Power Rake to assist in the removal of thatch.
A thatch layer in a lawn is the dead and living grass shoots that lay between the soil and the visible grass blades. This is a perfectly normal occurrence, however an excessively thick layer of thatch can increase the chances of disease and fungus, prevent air and water exchange as well as prevent applied fertilizer from penetrating into the soil. Dethatching will:
- Increases the amount of oxygen, nutrients, and fertilizer that reaches the soil and root system to promote a more healthy and thicker lawn
- Prevents or reduces mold and disease within the lawn
- Helps to jump-start the lawn in the spring