5 Best Lawn Fungicide For Brown Patch That Really Work

Maintaining a vibrant, healthy lawn is challenging, and nothing is more frustrating than noticing fungal infection on your lawn. Every year, as June rolls around, I notice these strange summer patches on my lawn. At first, they’re just small areas that almost look like cobwebs on the dew-covered grass. But as the days go on, they spread and grow, eventually becoming large yellow and brown splotches that take over the entire yard. And it’s not just my lawn – everyone in the neighborhood seems to be dealing with the same issue. It’s a strange and frustrating phenomenon that comes and goes with the changing seasons.

5 Best Lawn Fungicide For Brown Patch

Dealing with lawn disease is a frustrating and discouraging experience. Today, I’m sharing my experience using the best fungicide for brown patch and other common fungal diseases on my lawn.

The Andersons Prophesy Broad Spectrum Fungicide

Are you looking for a powerful fungicide to protect your lawn? Look no further than The Andersons Prophesy Propiconazole Broad Spectrum Fungicide. Prophesy Fungicide from The Andersons is a comprehensive solution for maintaining your lawn’s health. 

With its broad-spectrum formula, this fungicide protects against various soil- and foliar-borne diseases, including brown patch, summer patch, dollar spot, and anthracnose. Moreover, it can control common lawn fungal diseases like red thread and snow mold. Unlike other fungicides that only work as curative treatments, Prophesy offers excellent prevention of diseases. However, if your lawn is already affected, worry not because Prophesy can work as a quick remedy to address the issue. 

Prophesy’s Dispersing Granule (DG) Technology sets it apart from other fungicides. When the particles of this dynamic formula come in contact with water, they disperse into smaller microparticles, providing exceptional coverage and control. 

The Andersons Prophesy Fungicide provides a complete solution for different types of lawn diseases. Its label contains all the details regarding application rates, timing, and instructions. It is recommended to apply after mowing, and you should apply on wet foliage for foliar diseases. However, for soil-borne diseases, watering the product after application is ideal. Use this product with proper turf management practices to ensure optimum plant health and disease control for the best results.

Safety is essential while applying The Andersons Prophesy Fungicide on lawns. You should ensure that employees, pets, and other individuals do not come into direct or indirect contact with the product. Only protected handlers are allowed during the application. Also, you should use at most 20 pounds of the product per 1,000 square feet of grass every calendar year. If you have bermudagrass, you should take extra caution since it is sensitive to the product, and you should apply at most 5 lbs./1,000 sq. ft. every 30 days on any variety of bermudagrass. You can’t use this on fruit trees and a vegetable garden.

It’s crucial to follow the instructions precisely to get the best results. It is a professional-grade fungicide, so only assume you are familiar with using it if you have done this with such success before. You can do simple math to convert the lbs per 1000 sq ft to determine the correct application rate for your spreader. Once you’ve done that, you can confidently apply the fungicide to your lawn and watch it thrive.

So, whether you want to protect your lawn from diseases or eliminate existing ones, Prophesy Fungicide should be your go-to product. Please read the label thoroughly to get complete information on how to use it and say goodbye to stubborn fungi and hello to a beautiful, healthy lawn with Prophesy.

The Andersons Prophesy Broad Spectrum Fungicide

Scotts DiseaseEx Lawn Fungicide

I know nothing more frustrating than noticing brown spots and rings on the lawn. Brown patches and yellowing take-all patches are common culprits that can quickly destroy grass and spread throughout your yard. However, I found hope in Scotts DiseaseEx Lawn Fungicide (Azoxystrobin 0.31%). Scotts DiseaseEx can prevent and control such issues before they become a problem. 

This product is a systemic fungicide that offers broad-spectrum disease prevention and control against various diseases. Notably, it is effective against Brown Patch, Stem and Stripe Rust, Red Thread, Powdery Mildew, Necrotic Ring Spot, Summer Patch, and Yellow Patch, among other diseases. 

It’s essential to note that the product starts working within 24 hours of treatment, and the systemic fungicide formula controls common broad-spectrum diseases for up to 4 weeks. Scotts DiseaseEx Lawn Fungicide works as a shield that protects your lawn from harmful infections and makes it the perfect choice for any lawn owner.

By applying it twice in 1.5-week intervals, you can start to see a noticeable difference in the health of your lawn. The fungicide targets the infected areas and helps to promote greening and regrowth. With consistent use, you can eliminate the spread of the disease and get your lawn looking vibrant and healthy once again.

The answer is simple if you’re wondering whether to apply Scotts DiseaseEx Lawn Fungicide on dry or wet grass. Go for a dry application. While you’ll need to water it afterwards, you should only use light watering. Wet grass is not ideal when dealing with a disease. So to ensure your lawn stays healthy, be sure to apply the fungicide on dry grass.

Your pets can go on the lawn right after you use Scotts DiseaseEx Lawn Fungicide, but it’s better to wait for 24 hours. It can stick to their feet and not distribute if wet. It’s better to be safe than sorry, so hold off for a day. Keep in mind all pets are unique and may react differently.

Applying too much Scotts DiseaseEx Lawn Fungicide may not kill your lawn. If you follow the directions on the bag and use it as directed, your property should be fine. In my experience, I applied it to my front yard, where I saw the disease, and the lawn was still healthy.

Scotts DiseaseEx Lawn Fungicide contains Azoxystrobin, with a concentration of .31%. This information is listed at the bottom of the front side of the bag. Knowing the active ingredient in your fungicide can help you understand how it works and how effective it will be in treating lawn diseases. So if you’re dealing with pesky lawn fungi, try Scotts DiseaseEx and see the results for yourself.

Scotts DiseaseEx Lawn Fungicide

BioAdvanced Ready-to-Spray Fungicide for Lawns

BioAdvanced Ready-to-Spray powerful fungicide effectively protects against a range of common fungal diseases, including summer patch, brown patch, dollar spot, red thread, rust, and more. The best thing about this product is its unique systemic formula, which your grass roots, leaves, and stems absorb. It won’t wash off, even during heavy rain or frequent watering. 

What’s more, BioAdvanced Ready-to-Spray Fungicide for Lawns is safe for use on various types of grass, including fescue, kentucky bluegrass, zoysiagrass, St. Augustine, and centipede. With proper usage, this fungicide has proven to be a reliable solution for keeping your lawn healthy and free from fungal diseases.

This is an easy-to-use fungicide; you can attach it to your garden hose, and require a thumb flick to activate the sprayer. The ready-to-spray applicator ensures even coverage across your lawn, making it an efficient and effective solution for controlling fungus. 

It is essential to know the proper application rate for your pump-type sprayer. You should follow Propiconazole’s recommended application rate of 14.3%, which is 2 ounces per gallon for the same area. To cover 1,000 square feet, mix 10 ounces of the product per gallon of water. This way, Remember that this rate is for prevention purposes only. To cure existing fungus, you must double the amount of product used. 

While some users may require multiple applications, realizing that this is common with any fungal treatment is vital. However, to maximize efficiency, applying the treatment early on is recommended as a preventive measure. Additionally, if you opt for the liquid formula, using low water pressure is crucial to avoid wasting the product unnecessarily. 

You should not spray this product when temperatures are above 90 degrees as per the directions; this may cause harm to other grasses. It is recommended to spray in the evening when the temperature is slightly cooler to avoid such damage. This allows the chemical to be absorbed through the leaves and stems night and day. Although the reason for not applying at high temperatures may seem odd initially, it’s pretty explanatory and logical. Using this product during cooler temperatures has proven effective without any issues.

If you want the most effective outcomes from BioAdvanced Ready-to-Spray Fungicide for your grass, spray it generously. Feel free to use at least 2-3 times the recommended amount of product. Unlike fertilizer, there is no danger of overdoing it. Remember that this product may be out of season if the external temperature has already hit 80 degrees. If you follow these basic guidelines, you’ll be well on your way to a healthy, beautiful lawn free of fungal illnesses.

Protect and maintain your lawn’s health with the power of BioAdvanced Ready-to-Spray Fungicide for Lawns, a highly effective solution for combating various fungal diseases on your lawn. This product will surely be your go-to solution for a healthy and flourishing lawn.

BioAdvanced Ready-to-Spray Fungicide for Lawns

Prime Source Propiconazole 14.3 Select

If you’re a homeowner who takes pride in maintaining a lush, healthy lawn and landscape, then you know how important it is to keep plant diseases at bay. That’s where Prime Source Propiconazole 14.3 Select comes in. It works by inhibiting the growth of fungi, preventing them from spreading and causing further damage. Its broad-spectrum efficacy against over 18 turf diseases makes it a top choice for homeowners who want to keep their lawns looking their best.

If you’re dealing with red thread fungus on your lawn, you’ll be happy to know that Prime Source Propiconazole 14.3 Pint Select can help you tackle the problem. This fungicide treats red thread, and you can apply it directly to the infected turf grass. However, if you want to prevent the fungus from spreading to other areas of your lawn, it’s recommended that you treat the entire turf area with 2 ounces per 1000 sq feet every 21 days.

If you want a cure, apply 2 ounces per 1000 sq feet every 14 days. Remember that Red Thread is a foliar disease; allowing the sprayed area to dry completely before watering your lawn is essential. With the help of Propiconazole 14.3, you can say goodbye to pesky Red Thread fungus and enjoy a healthy, vibrant lawn.

Before using this product, it is recommended that you thoroughly research its effects and limitations to ensure the safety and health of your lawn. Prime Source Propiconazole 14.3 Select contains 14.3% Propiconazole as its active ingredient. If you have bermudagrass in your yard and are considering using this fungicide to treat any issues, it is essential to proceed cautiously. 

While this fungicide is effective, its active ingredient is sensitive to bermudagrass. You mustn’t exceed 4 fl. oz. per 1,000 feet square every 30 days on any bermudagrass, especially in Florida, where you should avoid applying on golf lawns when temperatures exceed 90°F. 

Prime Source Propiconazole 14.3 Pint Select Fungicide For Lawns efficiently treats and controls lawn rust. I can personally witness its usefulness since I have used it as a preventative step against lawn rust, and my lawn has never had any troubles except for a bit of heat stress. It helps minimize the impact and effects of the disease by disrupting fungal growth at the earliest stages of infection. 

Prime Source Propiconazole 14.3 Pint Select Fungicide for lawns is the real deal in removing lawn mold and smut. Although the first application didn’t show much difference, the second application two weeks later seems to have done the trick. The grass may have taken a few weeks to soak up the chemical and become mold resistant. It is worth it for those looking for an effective solution to lawn diseases.

Prime Source Propiconazole 14.3 Select

Heritage G Fungicide for Lawns

Heritage G Fungicide for Lawns has been a game-changer for our yard. It is a highly effective granular formulation containing a systemic Azoxystrobin fungicide, perfect for controlling turf diseases. The DG-Lite carrier provides a water-resistant layer, so it can work even in conditions that are not desirable, like clay soil with high humidity.

We constantly lost parts of our lawn to pesky brown spots, and nothing seemed to work. After a recommendation from a landscaper friend, we tried this product and have seen incredible results. While it is a bit more expensive, it has been worth every penny. For two applications spaced a month apart, all brown spots have cleared up except in the worst area, which still shows a 75% improvement. We plan to start using this product earlier in the season next year to prevent the brown spots from ever taking hold.

If you’re curious about how far a 30lb bag of this product will go, the answer lies in the application rate. Most diseases require 2-4 lbs per 1000 square feet, meaning a 30lb bag will cover anywhere from 7,500 to 15,000 square feet, depending on how much you use. 

When applying Heritage G Fungicide to your lawn, applicators and other handlers must protect themselves by wearing the proper gear. Handlers should wear a long-sleeved shirt and long pants to cover exposed skin. Additionally, handlers need chemical-resistant gloves made of polyvinyl chloride, nitrile rubber, or butyl rubber to prevent contact with the fungicide. Lastly, shoes and socks need to cover the feet. Take these simple precautions to ensure the safety and well-being of yourself and those around you.

Heritage G Fungicide for Lawns is a reliable product you can use 2-3 times a year to prevent diseases from damaging your lawn. I apply it in early spring, during the hot and humid summer, and before the first snowfall in fall to protect my lawn from unseen problems under the snow. Although I don’t use it frequently. I prefer to go heavier with it to ensure maximum protection without causing any harm to my grass. Overall, Heritage G Fungicide for Lawns is an excellent option for lawn disease prevention.

Heritage G Fungicide for Lawns

Frequently Asked Questions About Lawn Fungus

What Are the Signs of Lawn Fungus?

Lawn fungus can present itself in various ways, and the signs can vary depending on the specific type of fungus. However, here are some common signs that may indicate the presence of lawn fungus:

  • Discolored Patches: Fungus-infected areas often display irregular patches of discoloration on the lawn. These patches can be yellow, brown, or even reddish. The affected grass may appear unhealthy and not respond to regular watering and fertilization.
  • Irregular Growth Patterns: Fungus can disrupt the normal growth patterns of grass. You may observe where the grass grows slowly or not at all in comparison to the healthy areas around it. In some cases, the grass may appear stunted or distorted.
  • Powdery Coating: Various fungi create a powdery or fuzzy coating on the grass blades. This white, gray, or pinkish coating, known as powdery mildew, can be easily noticed, especially in humid conditions.
  • Thin or Thinning Grass: Fungal infections can weaken the grass, leading to thinning or sparse areas. If your lawn becomes less dense and the soil becomes more exposed, it could signify a fungal issue.
  • Circular or Ring-Shaped Patches: Fairy rings or brown patches, can cause the formation of circular or ring-shaped patterns. These rings may have a darker or greener color compared to the surrounding grass, and they can expand over time.
  • Wilted or Damaged Grass Blades: Some fungi attack the grass blades directly, causing them to wilt, wither, or become discolored. Infected blades may show signs of rotting, browning, or even developing lesions.


Choosing the right product for your specific needs is essential to produce maximum results. Always read labels carefully and follow directions thoroughly, and you may find that your lawn’s fungus problems start disappearing quickly with the right fungicide. Remember that proper preventative care, like proper watering and fertilizing, can help prevent future infestations. You should take all these measures to ensure a healthy, fungal-free lawn. Thank you for reading!

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Jeffrey Bromley
Jeffrey Bromley

Jeffrey Bromley is an experienced lawn care professional with over 13 years in the industry. He is the owner of The Lawn & Landscape Company and the founder of Lawn Gardeners Blog. His passion for lawn care extends beyond his business ventures, with a personal commitment to helping individuals take better care of their yards.

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