How To Identify and Treat Invasive Fungi In Your Lawn

How To Identify and Treat Invasive Fungi In Your Lawn

Aug 09 2018

As a homeowner, you want your yard to look great and be in the best health - which requires maintenance. Unfortunately, too much maintenance and that can lead to fungal infections. For instance, over-watering or too much or too little fertilization. On top of maintenance mishaps, there is the added struggle of dealing with uncontrollable weather that can sometimes lead to fungi developing in your lawn as well. Keep reading to find out how you can identify and treat this invasive fungi because it can be challenging to avoid.

What To Look For:

There are many causes of fungal infections in your lawn- mowing too low, over-watering, fertilizing improperly, weather conditions, droughts, etc.

The first thing you want to do is find out what your grass SHOULD look like. If you do not know that, you will have trouble finding irregularities in it.

Often times, yellow and brown is an indication of a fungal infection in your lawn. You should also be aware of any circular patterns, dust-like layers of yellow, white or gray, black or brown spots or even threads between blades, as these are all signs of disease. It is important to check your lawn weekly to prevent spreading and check your soil as it can infect that as well.

Once you know what you are looking for, it is much easier to control and prevent.

How To Treat It:

If you are struggling with a persistent fungi, the best course of action is to use a fungicide. When searching, it is important to purchase one specifically for the disease. This will help your maintenance practices take affect, therefore allowing the lawn to grow.

Although, the best thing you can do, is to not let fungi develop and use preventative measures.

How To Prevent Lawn Diseases:

Luckily, there are many preventative options out there, but today, we are just going to talk about a few.


De-thatching is great for removing thick buildups of thatch in your lawn, allowing for the soil to breathe. If the thatch gets too thick, it prevents air, water and sun from reaching the soil which inhibits growth, leading to problems like fungal infections.


This helps to loosen up the soil every year or two. If you are looking for a guide on aeration, click here. This helps to grow a stronger and more vigorous lawn that is more equipped to fight disease.


This helps to improve the soil, allowing drainage to increase, therefore fighting disease. When top-dressing, you want to take something heavy and flat and work it into the aeration holes. Something important to note, is you want to make sure your top-dressing is no more than 1" deep over the existing grass.

Here is to a healthy and well-maintained lawn! If this helped you, we would love for you to share it with anyone you know who is struggling with fungi.

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