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A standard home lawn mower with sharp blades can handle a thin layer of leaves without issue. You may need to make a couple of passes within several days to mulch leaves down, but your mower shouldn’t struggle. If your mower comes with a mulching kit, like an attachment to blow leaves out the side, that’s a good sign it’s ready for fall leaves. Set your mower to the highest or near-highest height for this project so it focuses on the leaves rather than the grass below.

You may need to lay sod on the areas you dug up once you get the okay from the contractor. It will take about 30 to 45 days for the sod to take root. Consult a local sod installer to get an accurate estimate of the timeline of your specific yard-enhancement project.

It’s unlikely your leaves are a hazard, especially if you get to them while they’re dry. However, a couple of rare risks exist. University studies suggest that decaying leaves can produce organochlorines, toxic pollutants similar to man-made PCBs (polychlorinated biphenyls), so avoid keeping them in an enclosed area.

Also, leaves and compost may cause the growth of fungi that can cause diseases like histoplasmosis and aspergillosis, as well as mold spores that are unhealthy for human lungs. Again, severe issues are rare, but those with compromised immune systems or allergies to mold should wear face masks when directly handling leaves.

Most mushrooms found on residential lawns are harmless. Certain varieties such as destroying angel, fly agaric, and vomiter mushrooms that can grow in grass will occasionally make their way onto residential lawn, but this is uncommon. Since mushrooms can be notoriously difficult to identify, if you suspect that your lawn mushrooms could be a poisonous type, consulting a professional is recommended.