Should Lawns Be Dethatched : When Why And How Often To Dethatch Lawn The Family Handyman / If it's more than a couple inches tall, consider a quick and shallow once the lawn is dethatched, all the dead matter that was lifted from the lawn bed will sit on top of the grass for you to collect (a quick rake job should suffice).

Should Lawns Be Dethatched : When Why And How Often To Dethatch Lawn The F…