Keep Mowing to Mulch Those Tree Leaves! – Turfgrass Science at Purdue University

Keep Mowing to Mulch Those Tree Leaves!

The trees are dropping their leaves and it is important to prevent a heavy layer of leaves from building-up on your turf before winter. Heavy layers of tree leaves that shade the grass can smother and kill grass yet this fall. Plus tree leaf cover favors a damaging winter turf disease called snow mold. The easiest way to dispose of leaves is to simply mow them into the turf. Regular mowing during the fall will chop the leaves into small pieces and allow them to filter into the turf. Our research at Purdue and other universities shows that tree leaves can be mulched without any detrimental effects on the soil or turf. Actually, just the opposite may be true where tree leaf mulching may help improve the soil. Mulching leaves with a mower is much easier than raking, blowing, and/or vacuuming the leaves like we have done in the past. Plus it disposes of the leaves without filling up our landfills and saves our cities thousands of dollars in disposal costs.


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