However, too much thatch can prevent water from reaching the soil and cause grass to root in the thatch layer instead of rooting in the soil. A power rake is a machine that uses blades similar to a roto-tiller to remove thatch and debris that can build up on a lawn. Power raking is gentler than dethatching since it only removes debris at the soil level whereas dethatching also pulls and removes healthy root systems. The thatch layer resembles felt. Power rake most grass types in the growing season.
Power rake zoysia in the early summer and bluegrass in the early fall. Power rake cool-season grasses in the early fall. Cool-season grasses grow in the spring and fall and include Kentucky bluegrass, fescue and ryegrass.
Generally after the last of the snow melts away, the lawn has dried up, and when Spring is in full bloom. Power raking is the act of taking a gas powered dethatcher or power rake which uses metal tines to tear the top layer of thatch off of your lawn. Written by Ryan Such, President Power raking and dethatching are two terms that cause an awful lot of confusion for good lawn-loving citizens who just want to take good care of their grass and get the excess thatch up and out of the way.
A lot of that confusion stems from the fact that the two services work on the same problem: removing thatch from your lawn. And, of course, dethatching sounds like a general term for that process, whereas power raking sounds like something very specific—and it is… in fact, both of the terms have a very specific meaning. So if a customer asks for either service, they end up with dethatching.
A couple of suggestions for making sure you and the company you have hired to dethatch or power rake your lawn are on the same page. Power raking typically costs double the price of dethatching. Most lawns fall into this category. Dethatching usually involves a riding lawnmower with a unit mounted to the front of it that has spring tines that moderately dig up thatch just ahead of the mower bagging it up.
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