Be sure to catch and remove all grass clippings when mowing.

Benomyl is potent against a range of fungi, including snow mold, brown patch, and dollar spot. Triadimefon works well against anthracnose and rust. Chlorothalonil does best against brown patch and red thread. Fairy ring has no cure once it establishes itself in your lawn, and fungicides are only effective against necrotic ring spot if accompanied by a de-thatching process. [6] X Research source

These natural options work best on new growth or small quantities of fungus. Keep other people and pets away from the affected site for a few days after you apply the natural treatment.

Fungal infections can go away on their own if you properly maintain your yard.

On the other hand, don’t allow your lawn to get too dry, either. Dry soil will lead to weak grass that is more susceptible to disease. It’s best to water in the morning because your soil will absorb the water it needs, allowing the extra water to evaporate throughout the rest of the day. [10] X Research source If you use a sprinkler, test it to make sure it is working properly. Measure how much water it is distributing in your yard so that you can adjust accordingly.

Avoid too much nitrogen because it can cause fast growing grass that is weak, making it more susceptible to infection. Always follow the instructions on the packaging to avoid misapplication.

Keep your lawnmower blades sharp and clean. Mow your lawn a little shorter than usual before snow comes to help protect against snow mold.

It’s best to use a mechanical, gas powered de-thatch machine that could be rented at the local home improvement center or equipment rental store. De-thatching is usually done in the spring.

You can rent an aeration machine to help you loosen the soil.

Before you top-dress, you should de-thatch and aerate your soil.