Add Yahoo as a preferred source to see more of our stories on Google. Keeping your lawn mower blade sharp is important. The very act of mowing is traumatic for your grass, but a cleaner cut ensures ...

The best cut for your yard comes from a sharp lawn mower blade. A dull blade damages your grass by creating a ragged cut, which can lead to bare patches and other eyesores, as well as invite disease.

Replacing your lawn mower blade every year or two is essential to keeping your grass looking sharp. Over time, the blade’s edge will dull, either from general wear or damage from debris like sticks, ...