What Is a Mulch Plug

A “mulch plug” is necessary to mulch the grass clippings during mowing. The plug is used to close the discharge opening in the mowing deck and recycle the lawn clippings back into the blade area for repeated cutting and eventually deposited into the lawn as fine mulch.

What is a mulch plug lawn mower?

Mulch kits include a set of blades, a plug and the requisite hardware for attaching the kit to your mower. The blades pull the grass into the mower’s deck and chop the grass into finer particles. The plug closes the mower’s discharge opening.

What is the disadvantage of mulching?

The main disadvantages of mulching is that it can create a hiding place for harmful insects, and when applied too thickly can suffocate your plants by overheating the soil and starving them of light and water.