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How To Get Rid Of Brown Patch Fungus On Lawn

Replace The Affected Sod


The best way to get rid of fairy ring fungus is to replace the affected lawn sections with new St. Augustine sod. This is a more eco-friendly option compared to the use of chemical fungicides.

Dig out the affected soil sections and refill them with a new St. Augustine grass sod. However, if you find this option to be too labor-intensive and time-consuming, you can opt for an appropriate fungicide such as flutolanil or Consan 20. For maximum efficiency, pick a fungicide product that combines at least two of these active ingredients.

Treat Brown Patch Fungus

While many lawns can recover from brown patch without fungicide applications, brown patch disease treatment might be necessary. This is especially true if you tend to see the fungus over and over again or have a yard that is conducive to the conditions the disease likes, such as one with poor air circulation. If you have a lawn that gets a lot of shade during the day and only a bit of sun at night, you may also find this is a place where brown patch can regularly erupt.And, lets face it, Central and Southern Maryland summers are known to be hot and humid. As such, 80 percent of lawns here experience some kind of lawn disease. If youve tried good lawn care and still have issues or notice you have an annual brown patch problem, consider lawn disease control. Fungicide treatments are an addition to your current lawn care program. They are most effective when done in a minimum of two treatments, but preferably three to four, through the growing season when you first see the disease. Preventive fungicide applications are the best way to treat brown patch fungus, which means catching it and attacking it early.

Brown Patch Disease Fungus

Lets start with the most obvious of them all lawn fungi! Whether its brown patch disease, spring dead spot, dollar spot, or leaf spot, fungi are a huge detriment to the health of Bermuda grass.

Most of these fungi stay dormant in wait for the perfect conditions for growth and reproduction. The brown patches or dead spots will start to show during the warmth of the hot summer days and the moisture from nighttime irrigation you do on your bermuda grass lawn.

With time, fungal residue inhibits photosynthesis, as the fungi gradually spread across the grass leaves, leaving dead spots on the infested areas. The visual results are patches of brown grass.


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How Often Should Grass Be Watered

How Long Should I Water The Lawn? You should water your lawn once or twice a week, giving your grass 1 to 1.5 inches of water each time. The precise number of minutes for each watering will vary from lawn to lawn, depending on factors like the size of your lawn, the type of sprinkler you have, and its settings.

Mushrooms In The Lawn

How to to Get Rid of Brown Patch Fungus on Grass

The presence of mushrooms in your lawn is a sign of a type of fungus called fairy rings. The disease is categorized as fairy rings type I, II, and III with the first one not showing any mushrooms in the turfgrass.

This disease is common in summer and may indicate improper lawn top dressing techniques or the presence of a large quantity of dead organic matter in your lawn. You might want to check for any tree stumps, logs, or such material buried beneath the turf.

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How To Prevent And Get Rid Of Brown Patch Lawn Disease

The fungus that causes Brown Patch lawn disease is present in many areas. Disease prevention is very difficult if the grass species is susceptible.

Proper watering in the early morning though mid-day to prevent wet grass at night may be of some, though limited, benefit. Proper mowing on a frequent basis to promote air movement and drying of the leaf blades may be of more benefit when preventing and battling Brown Patch.

More tips for treating brown patch:

  • Use moderate amounts of nitrogen fertilizer.
  • Fungicides can be effective if applied before the onset of the disease
  • Dont over- or under-fertilize your turf, as that can encourage Brown Patch.

How Can I Make My Brown Grass Green Fast

Its natural for grass to go dormant to conserve water during periods of limited rainfall, and drought-induced brown grass should turn green on its own as the weather cools and rainfall increases. You can also restore your lawn by giving it an inch of water on a weekly basis with your lawn sprinkler.

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How To Treat Brown Patches In Your Yard

Years ago, scientists took a soil sample from deep below the ice in Antarctica and found something: brown patch.

Brown patch is a fungus causing brown circles in your lawn during the hot humid months of summer. Why did they find it in Antarctica then? Because brown patch can remain dormant for many years. The reason you notice it now is because it has become active, the good news is we can control it!

Can Brown Grass Turn Green Again

Get Rid of Lawn Fungus – Brown Patch, Dollar Spot and MORE

How to Revive Brown Grass. Naturally, rain will revive a brown lawn. However, if rainfall is insufficient watering the lawn deeply once a week will help your lawn to spring back to green. With Gilmours Pattern Master Circular sprinkler, you can customize the spray area so you water only the lawn and not the sidewalk.

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Proper Mowing Goes A Long Way

The simplest thing to help your grass combat this, and any turf disease, is mowing your lawn properly. We recommend homeowners to:

Sharpen mower blades: dull blades cause wounds through which disease may spread.

Do not mow the lawn when it is wet.

Mow at the proper heightlawns mowed at the mowers highest setting stand up to stress better.

Three Most Common Diseases Causing Brown Patches On Lawn

Most of the summer lawn diseases that attack tall fescue and Kentucky bluegrass common in Midwest lawns prefer warm/hot and humid weather. The best conditions for brown patch or Pythium disease growth are daytime temperatures between 80 and 95 degrees F, night-time temps around 65 to 70 degrees F, and high humidity. High summer temperatures combined with late afternoon showers every day in late May through July can be a recipe for disaster for lawns.

There are three types of fungal diseases that our RYAN Pros treat most often. Every tall fescue variety is susceptible to these three diseases brown patch, dollar spot and Pythium blight. Learn how to differentiate between them and what you can do to get rid of these lawn diseases in your yard.

1. What Is Brown Patch Disease?

Brown patch disease appears as circular patches in your lawn.

Brown patch is a common lawn disease found in all cool-season grasses in the U.S. caused by a fungus called Rhizoctonia solani. It appears as brownish-yellow, irregular circular patches that range from 6 inches to several feet in diameter. Brown patch begins to grow when temperatures reach 65 degrees F, but it grows fastest when temperatures reach 80 to 85 degrees F and there is high humidity.

The diseased leaves usually remain standing, and close examination shows tan, irregularly-shaped lesions on the leaves with a dark brown border.

2. What Is Pythium Blight Disease?

Pythium blight appears suddenly and can kill your lawn.

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Prevent Brown Patch Pythium Blight & Dollar Spot Contact Ryan Lawn & Tree

If youre worried about losing your lawn permanently as you watch it turn brown, piece by piece, consider contacting the Pros at Ryan Lawn & Tree for a free inspection and quote. Ryan Lawn & Tree goes the extra mile to find and utilize only the best products that arent sold in big box stores. Why? Because they work better to control disease and save your beautiful lawn!

RYAN Pros study the latest university research to make sure they are using the best products at the best rate and times to achieve the best results for your lawn. Our educated, experienced lawn care experts will examine your brown patches and determine the cause, then give you a no-obligation quote for providing the appropriate preventive fungicide program. Just a quick phone call to 855.216.2293 will get you started! Call today!

How To Identify Brown Patch

How to Get Rid of Brown Patch Fungus on Lawn

If your lawn has begun to yellow rapidly, take a closer look at the size and shape of the affected areas. With brown patch, they are likely to be roughly circular, though a bit irregular. Patch sizes can range from a few inches to several feet in diameter. If brown patch has been active for a while, the spots might also look like patches of good grass with rings of dead or thin grass around them.

Besides yellow, do you notice any other colors in the patchy areas? Brown patch patches can be darker purple or burgundy on the outside, for example. Other signs include irregular tan spots bordered by a darker outline on grass blades, brown and shriveled blades, rotting at the base of the blades, darker blades that look water-soaked, and possibly white, cobweb-like growth around the blades .

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Why Does Grass Turn Brown How Are You Watering The Grass

If youre watering your lawn with a hose, you probably arent watering evenly. This leaves certain areas of your lawn thirsty, while others are overwatered. This not only causes brown patches in your lawn but can needlessly increase your water bill. Plus, with technology advancing, sprinkler systems can be programmed to deliver the right amount of water to where its needed.

Common Lawn Diseases In Florida: How To Spot + Get Rid Of Them

If you live in Florida and your lawn has taken on an unhealthy look, it may be suffering from fairy ring, brown patch, leaf spot fungus, red thread or another lawn disease native to the Sunshine State. These diseases tend to flourish in Floridas hot, humid environment. Thats the bad news.

The good news is that all of the most common lawn diseases in Florida can be treated and your lawn brought back from the brink. It wont happen overnight, and it will likely require regular lawn treatments and service, but in most cases, you wont have to tear up your lawn and start again.

Below, were going to look at common lawn diseases, provide ways to identify them, and suggest treatments you may want to consider.

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What Are Brown Patches On My Grass

An unsightly patch of lawn is one of the first things that potential buyers will see. Therefore, you need to know why youre getting Brown Patches on your grass so that you can stop the problem. The solution could be as simple as taking your dog to another area to do its business. But other lawn diseases can cause patches, and you should take care of them before you lose your lush lawn altogether.

What Causes Brown Spots In The Lawn

Lawn Fungus Cure – Brown Patch and Dollar Spot

Discover the most common causes of brown patches in your yard and how to treat them.

It can be alarming and frustrating to see brown spots ruining what would otherwise be a beautiful green stretch of grass, especially if youre not sure how they got there or what to do about them. Brown spots in the lawn can show up for many different reasons, so the first step toward treating them is to identify the cause of the problem. Below are the most common causes of brown spots in the lawn and how to treat them so you can get your lush green lawn back.


Brown spots due to fungal problems usually show up as irregular patches. If the disease has been active for a while, the inside of the patch may recover, leaving a ring of dead grass around it. Extremely rainy or humid weather can encourage fungal outbreaks, as can lack of sunlight and poor air circulation. Although you cant control the weather, there is something you can do to protect against fungus. ApplyScotts® DiseaseExLawn Fungicide according to the label directions to not only treat active diseases, but also to prevent future problems from listed fungi.


Dog Urine Burns

Weed Dieback

Dead spots can also occur in the lawn when annual weeds like crabgrass, annual bluegrass, and foxtail begin to die back. This is a natural cycle that can be avoided with proper lawn maintenance and quickly patched withScotts® EZ Seed® Patch & Repair. As always, be sure to follow the directions on the label.


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How To Get Rid Of Dollar Spot Fungus

There are many reasons youll find brown patches on your lawn. The dollar spot fungus is one of the easier causes to identify because it is aptly named after the silver dollar-sized patches it leaves. Youll find it in the early spring through late fall, especially when the ground is dry but the air is humid. And its common on cool and warm-season grasses and most aggressive on golf course turf.

What Is Brown Patch

Brown patch is a soil-living fungus which becomes active in humid months where temperatures reach the mid 80s during the day, and mid to upper 70s overnight.

Like the name would lead you to believe, brown patch causes a brownish discoloration of your turfgrass. More specifically, it starts out with lesions on the grass blades .

As brown patch develops, these lesions spread to cover the entire grass blade, causing thinning and matting of the turf. On shorter lawns, these patches may appear to have a “smoke ring” of dark gray around the outer edge.

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How Do You Get Rid Of Mildew In Grass

Control powdery mildew in lawns by opening up the area to better air movement and more sunlight. To reduce shade, prune or remove trees and shrubs that shade the grass. If this isnt possible, consider the advantages of covering the area with attractive mulch instead of struggling to grow grass in a difficult area.

How To Get Rid Of Brown Patch

How to Get Rid of Brown Patch Fungus

You cant simply wait for it to go away. The fungi survive the winter in plant debris and then enter the leaf tissue of grass blades through cuts caused by things like mowing. So, once brown patch shows up, be ready to take care of it immediately! It spreads fast. The best solution is a fungicide lawn treatment program that will address the problem directly.

Also, during treatment, mow your lawn a little less often. Every time you cut it, it needs to heal, which gives the disease an opportunity to spread.

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Avoid Overwatering Your Lawn

St. Augustine requires about 0.5 inches of water per week to grow fast and thick. Overwatering encourages fungal activity as it keeps the lawn wet for prolonged periods. If this is whats causing brown patch disease in your lawn, adjust your watering schedule and check the amount of water youre providing.

  • Water your lawn twice a week, each time providing it with about ¼-inch of water.
  • Place a measuring cylinder in your lawn then run the sprinkler until the ¼-inch mark is reached every time you irrigate the lawn to prevent overwatering.

How To Treat And Prevent St Augustine Grass Fungus

The best way to control brown patch disease in St. Augustine grass lawns is by following a proper lawn care program that includes regular mowing, dethatching, core aeration, and a proper watering schedule. In case there are signs of the disease, early treatment using a fungicide is key in managing the damage. You may need to apply fungicides as a prevention measure in turfgrasses and regions that are prone to fungal infections.

Here are 7 ways to treat and prevent fungus in St. Augustine grass:

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When Should I Treat Brown Patch Pythium Or Other Diseases

Does every yard have to be protected from fungus? It really depends upon the level of maintenance and expectations of the lawn. A mid-level lawn without an irrigation system may get some brown patch, and minor damage. If it gets bad enough, those damaged areas could be seeded in fall. You may want to consider treating your lawn disease if you:

  • Seeded your yard in the spring. The young seedlings are more susceptible to fungus. Fungicide can protect baby seedlings.
  • Have invested a lot in your lawn and love it very much.
  • Have in-ground irrigation and water regularly in the summer to maintain good color and appearance.
  • Seeded last fall. These lawns are usually thick and dense and the grass has not been through a hot summer phase, so it is typically more susceptible than mature lawns.
  • Have a lawn seed that is a variety of Kentucky bluegrass that is notoriously susceptible to dollar spot and summer patch. RYAN Pros recommend using a fungicide until the variety can be switched over to other more resistant species or varieties.

    RYAN Pros are experts at distinguishing one lawn disease from another one of the keys to treating your lawn with the correct type and rate of fungicide.

Contact Deans Today For Help With Brown Patch

How to Get Rid of Brown Patch (4 Easy Steps)

Deans Services is a locally owned lawn care company that can help get rid of brown patches in your yard. Our lawn care technician specializes in identifying the underlying cause of your yards brown patch and eliminating it completely. Leaving you with a luscious green lawn all year round. Contact our lawn care professional today at to get started.

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