How often you should mow your lawn ... tall fescue are best maintained at about 3 to 3 1/2 inches tall during spring and fall. When they are growing slowly in summer and winter, set the mower ...
If you stick to this regimen, you'll take about 1 inch off ... when the grass is either wet or too tall. What Type of Mower Is Best for Mulching Grass Clippings Back Into the Lawn?