So you want to know how to properly mow a lawn? Here it is… mow high, preferably 2.5 to 3 inches. Mowing short weakens the root system and gives weeds a chance to compete with the grass. When the mower is higher the clippings don’t clump. As a general rule experts say to remove only one third of the leaf with each mowing. So if you mow to 3 inches, you can let the grass grow to 4.5 inches. If you mow at 1.5 inches, you’ll need to cut when the grass grows to 2.75 inches.
The shorter you mow, the more frequently you’ll need to mow your lawn to keep to the “one third” rule. The longer between mowing’s, the more likely clippings will have to be picked up.
Mow in different directions and alter the pattern each time if you can. For example, go north-south, east-west, clockwise, counter-clockwise, diagonally, and so forth. This will cut more leaf surface on weeds that may tend to lean in the direction of mowing and may help the grass compete with them. It also reduces soil compaction and turf wear from the wheels.
Sharpen your mower blades at least twice during the growing season. Dull mower blades tear-off rather than cut grass blades. The torn leaves leaves a whitish torn tip and may leave it more susceptible to disease issues.