Both power raking and dethatching aim at removing excess thatch in the lawn.
Power rake lawn damage.
Power raking opens the surface of the turf but it can also damage parts of the lawn.
Flag irrigation heads and other hidden objects in the lawn to prevent damage.
When dethatching your entire lawn use a power dethatcher over the lawn in a pattern that covers the grass only once.
The power version of a dethatching rake such as this greenworks corded dethatcher available on amazon is pushed much like a lawn mower.
But instead of blades a power rake has.
Heavy thatch can choke grass plants protect weeds and insects from the chemicals that fight them and increase runoff from rain and watering.
In early spring removing thatch by raking is best to prevent damaging new growth.
Deep power raking uses vertical tines on a revolving reel to remove thatch and can damage a lawn by removing much of the living turf.
Early spring power raking gives the seeds time to get established and start growing before the hot dry summer months.
A power rake is good for getting rid of the thick layer of debris lying on top of the soil while a dethatcher is good for removing a thin layer of decomposing organic matter that forms the topmost part of the soil in the lawn.
Core aeration removes slender plugs from a lawn to relieve.