There is no definitive answer as different lawns may have different needs, but a good rule of thumb is to wait until the grass reaches 3 inches in height. shorter grass may not be able to withstand the stress of being mowed and can lead to scalping.

There is no definitive answer as different lawns may have different needs, but a good rule of thumb is to wait until the grass reaches 3 inches in height. shorter grass may not be able to withstand the stress of being mowed and can lead to scalping.