Lawn Care

How to Get Rid of Brown Patch in Your Lawn

Have Brown spots ruined the beauty of your green-welcoming lawn? What’s the trouble with your yard?

If you live in a region with high humidity and hot temperatures, you may find your lawn infected with brown patch lawn disease. Although no one wants to discover brown patch on his lawn, each year millions of yards are infected with fungus Rhizoctonia that leaves large circular brown spots on the grass. It can destroy large areas of turf overnight.

Treating brown patch in lawns

Sounds terrible. Right?


Fortunately, treating brown patch in lawns may go a long way toward prevention and treatment.

Our article will help you how to get rid of brown patch on your lawn and maintain its eye-catching green color.

Keep On Reading!

So, What Is Brown Patch Lawn Disease?

Merely to say, it’s a common and widespread fungal disease of turf.

Disease category: Root diseases

Caused by: Rhizoctonia Solani (sometimes also called Rhizoctonia blight)

Green grass turns brown when roots can no longer grab water or nutrients from the soil, or when soil doesn’t contain enough water or food.

Brown spot first appears as a circular patch. The circle may range in size from few centimeters to a meter in diameter.

The affected grasses become dark and water-soaked. The grasses may have a purplish green appearance when the disease takes hold. The grasses rapidly turn dark brown and die. If you live in a high humidity area, you may see a dark-brown ring of mycelium that appears on the outer side of the patch.

Treating Brown Patch in Lawns- The Most Effective Ways You Should Follow

No more worry!

Observe lawn care practices is enough to treat and prevent lawn fungal diseases.

Here are the most effective ways of treating and preventing brown patch in your lawn.

  1. Water On Schedule

Follow the schedule of once every 3-4 days and water approximately ½-inch per session. Water early in the morning before the sun shines too strongly. As a result, the water/ moisture becomes trapped at the soil surface during the day. It’s wise to water less frequently, but deeply. Avoid watering your lawn at night.

how often to water grass 2

  1. Follow The Correct Mowing Rules

Mow the lawn to the appropriate height. Don’t forget to keep the mower blades sharp.In summer, mow your lawn short. If your yard already has infected by fungus, you should wash adequately and disinfect the underside of the mower after each time you mow your yard.

  1. Aerate REGULARLY

Moist and still conditions are vulnerable to many fungi development. Loosen the soil of your lawn by aerating each year. Also, thin out the shrubs of your lawn to allow the air to circulate appropriately all over the yard.

  1. Go For Organic Treatment

Organic elements such as weak baking soda solution, compost tea, neem oil or can treat small brown patches.

  1. Fertilize Properly

Avoid over- or under- fertilizing your lawn because both will encourage brown patch. It’s also essential to apply moderate amounts of nitrogenous fertilizer. Organic lawn fertilizers are best to use.

  1. Choose The Right Grass Type

Choosing the right kind of grass for your lawn is also essential to prevent brown patch. Select the grass type that suited the soil of your yard, climate and light conditions.

  1. Apply Fungicides

If all the ways fail, go for applying the fungicide. It’s better to use the organic fungicide. But if you want to use a chemical fungicide, it should be rated especially for your lawn fungus. Using fungicide will be useful if you apply it before the onset of the disease. Follow the instruction strictly when applying a chemical fungicide.

Things You Should Know About Brown Patch

  • When Does Brown Patch Occur?

Brown spot or brown patch is a summer lawn disease.

The fungus, Rhizoctonia thrives at 70 degrees temperature and 70 percent humidity, and on the warm season turf, the disease starts to show growth. The most active growth of brown patch occurs at very high-level humidity when the day temperature is 80 to 85-degrees and night temperature is above 70-degree.

However, in spring and autumn when humidity reaches the higher level, the brown patch may become severe. In the over-irrigated soil, the leaf moisturizer encourages brown patch growth.

  • What Are The Causes of Brown Patch?

Let’s have a look at the most common causes of brown patch.

  • Drought
  • Overwatering
  • Over-fertilization
  • Improper grass type for your lawn
  • Improper mowing/ mowing too low
  • Compacted soil
  • Weather conditions (especially humidity and temperature)
  • How Do I Know If My Yard Has Been Affected By Brown Patch?

General Signs: Look for the spot on the leaf blades. If you find spots on the leaf blades, suspect this culprit is invading your lawn.

More apparent Signs: Brown circular areas on the grass surrounded by a dark, narrow ring.

Also look for:

  • Yellow or white patches or rings that grow in diameter.
  • Black, pink or grey powdery or threadlike coating around the leaf blades
  • Thin patches of discolors or distorted leaf blade
  • Black, grey or purple spots on stems or edges
  • Wet-looking or greasy looking grass


Giving your lawn special care in every season is indeed a challenging task.

However, in our article, we’ve tried our best to illustrate in simply the most effective ways of treating brown patch in lawns. Hope, this article will help you a lot to learn more about brown patches, their treatment, and control in your yard and keep your grass healthy and vibrant.

So, Yard-Lovers! Have A Lush Green Lawn All The Year Round.

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