Brown patch is one of the most common and destructive lawn diseases, affecting both warm-season and cool-season grasses. It appears as irregular brown or yellow patches in your lawn, often spreading rapidly under warm, humid conditions. Without proper treatment, brown patch can weaken and thin your grass, leading to long-term damage.
Choosing the right fungicide is essential for controlling brown patch and preventing future outbreaks. The best fungicides provide systemic protection, meaning they are absorbed by the grass and work from within to fight fungal infections. Some options offer both curative and preventive benefits, ensuring year-round disease management.
In this guide, we review the top fungicides for brown patch, highlighting their key features, pros, and cons. Whether you need a fast-acting liquid spray or a long-lasting granular formula, we have the best solutions to help keep your lawn healthy and green.
On This Page Expect To Learn
Tips for Choosing the Best Fungicide for Brown Patch
Selecting the right Brown Patch fungicide involves several key considerations. Here are some essential tips:
- Identify the Severity – Assess the extent of Brown Patch damage to determine if a contact or systemic fungicide is needed.
- Choose the Right Type – Systemic fungicides work from within the plant, while contact fungicides provide immediate surface protection.
- Consider the Formulation – Granular, liquid, or wettable powder formulations cater to different application preferences.
- Check Active Ingredients – Look for effective components like Azoxystrobin, Propiconazole, and Chlorothalonil.
- Follow Application Guidelines – Always adhere to manufacturer recommendations for best results.
- Rotate Fungicides – Avoid resistance by alternating fungicides with different modes of action.
- Consider Turf Type – Ensure compatibility with your specific grass variety to prevent damage.
10 Best Fungicides for Brown Patch
1. Heritage G – Best Granular Fungicide for Brown Patch
The Heritage G fungicide is a top-rated Brown Patch fungicide designed to provide systemic protection against lawn diseases. Containing 0.31% Azoxystrobin, this strobilurin fungicide effectively inhibits fungal growth from the inside out. Its granular formulation allows for easy spreadability, ensuring even coverage across the affected lawn.
This best fungicide for Brown Patch penetrates deeply into the turf, protecting against reinfection and promoting healthier grass. It works exceptionally well on cool-season and warm-season grasses, including Kentucky Bluegrass, Bermuda Grass, and Tall Fescue. The 0.31% Azoxystrobin content ensures that fungi are eliminated before causing extensive damage.
Heritage G is an excellent choice for preventative and curative applications, making it ideal for homeowners and professional turf managers. The granular formulation simplifies application, allowing users to treat large areas efficiently. Regular use helps in breaking the Brown Patch disease cycle, ensuring long-term lawn health.
Pros:
- Easy granular application
- Systemic disease protection
- Long-lasting effect
- Works on all turf types
- Prevents reinfection
- Strong active ingredient
- Ideal for large areas
Cons:
- Slower initial action
- Can be expensive
- Requires proper spreading
2. Banner MAXX II – Best Liquid Fungicide for Brown Patch
The Banner MAXX II fungicide is a highly effective Brown Patch fungicide featuring 1.3% Propiconazole, a systemic triazole fungicide. This liquid concentrate formulation provides fast and long-lasting disease control, making it a popular choice for professional turf management.
The systemic action of Propiconazole ensures that the fungicide moves within the plant, offering complete protection against Brown Patch and other turf diseases. It is highly effective on Perennial Ryegrass, St. Augustine Grass, and Bentgrass, providing uniform coverage and maximum disease suppression.
This best fungicide for Brown Patch works both as a preventative and curative treatment, reducing the risk of lawn deterioration. The liquid formulation ensures rapid absorption, allowing for quick results. For best outcomes, apply Banner MAXX II before Brown Patch symptoms appear.
Pros:
- Fast systemic absorption
- Liquid formulation for easy mixing
- Controls multiple turf diseases
- Works on various grass types
- Provides long-term protection
- Prevents fungal resistance
- Excellent for professional use
Cons:
- Requires mixing
- Can cause turf discoloration if overused
- Higher cost than some alternatives
3. Scott’s DiseaseEx Lawn Fungicide – Best Liquid Fungicide for Brown Patch
Scott’s DiseaseEx Lawn Fungicide is a highly effective solution designed to treat and prevent brown patch in lawns. Its liquid formulation allows for easy application, providing broad-spectrum disease control against various turf diseases. The active ingredient, Azoxystrobin, ensures long-lasting protection for up to four weeks, making it a reliable choice for homeowners.
This brown patch fungicide works systemically, meaning it is absorbed by the grass and spreads throughout the plant for maximum disease resistance. The rainproof formula ensures that it remains effective even after watering or rainfall. It can be applied as both a preventive and curative treatment, making it versatile for lawn care.
Users appreciate the easy application and fast results, often noticing improvements within 24 hours of use. It is safe for use on all major turf types, including St. Augustine, Bermuda, and Fescue. If you want a powerful, easy-to-use fungicide for brown patch control, Scott’s DiseaseEx is an excellent choice.
Pros:
- Fast-acting formula
- Long-lasting protection
- Works systemically
- Rainproof formulation
- Suitable for all grass types
- Easy application
- Broad-spectrum control
Cons:
- Requires repeat applications
- Can be expensive
- Strong chemical odor
4. Propiconazole 14.3 Fungicide – Best Broad-Spectrum Fungicide for Brown Patch
Propiconazole 14.3 Fungicide is a professional-grade treatment that effectively controls brown patch and other turf diseases. With its systemic action, this fungicide penetrates the plant tissue, providing long-lasting protection for up to four weeks. The active ingredient, Propiconazole (14.3%), works by inhibiting fungal growth, making it a powerful option for lawn care.
This brown patch fungicide is available in a liquid formulation, allowing for easy mixing and application with a sprayer. It provides both curative and preventive benefits, making it ideal for proactive lawn maintenance. Propiconazole 14.3 is also effective against dollar spot, anthracnose, and rust diseases, making it a multi-purpose solution.
Users prefer this fungicide for its long residual effect and broad-spectrum protection. It is compatible with various turfgrass types, including Kentucky bluegrass, ryegrass, and zoysia grass. If you need a reliable fungicide for brown patch and other lawn diseases, Propiconazole 14.3 is a top choice.
Pros:
- Long residual effect
- Broad-spectrum protection
- Systemic action
- Preventive and curative
- Easy to apply
- Works on multiple turf types
- Effective against several fungi
Cons:
- Requires precise dilution
- Can cause turf discoloration
- Not safe for edible plants
5. BioAdvanced Fungus Control – Best Granular Fungicide for Brown Patch
BioAdvanced Fungus Control provides powerful brown patch prevention and treatment in a convenient granular formulation. The active ingredient, Propiconazole, delivers long-lasting systemic protection, ensuring your lawn stays healthy for up to 30 days. The granular formula is easy to apply using a spreader, making it ideal for larger lawns.
This brown patch fungicide offers broad-spectrum disease control, effectively targeting rust, powdery mildew, and dollar spot. It absorbs quickly into grass blades, preventing fungal infections from spreading further. Homeowners appreciate the mess-free application and ease of storage compared to liquid fungicides.
BioAdvanced Fungus Control is a great option for those seeking a user-friendly brown patch treatment. It works on various turf types, including St. Augustine, Fescue, and Zoysia grass, ensuring versatile lawn care.
Pros:
- Granular formulation
- Easy spreader application
- Long-lasting systemic effect
- Protects against multiple diseases
- Mess-free handling
- Safe for various turf types
- Rainproof protection
Cons:
- Takes time to absorb
- Requires thorough watering
- May need multiple treatments
6. Southern Ag Liquid Copper Fungicide – Best Organic Fungicide for Brown Patch
Southern Ag Liquid Copper Fungicide is an organic solution perfect for treating brown patch while being safe for the environment. The active ingredient, Copper Ammonium Complex, provides excellent disease control by disrupting fungal cell functions. This liquid formulation ensures quick absorption and effectiveness on various grass types.
This brown patch fungicide is ideal for homeowners looking for a non-toxic alternative to chemical treatments. It is safe for edible plants, making it a great option for lawns and gardens. Additionally, it helps control algae and moss, adding to its versatility.
Users love its eco-friendly composition and effectiveness against a wide range of fungal diseases. It is compatible with organic gardening practices and works well on golf courses and residential lawns alike.
Pros:
- Organic formulation
- Safe for edible plants
- Controls multiple diseases
- Non-toxic to pets
- Works on various turf types
- Easy liquid application
- Multi-purpose use
Cons:
- Needs frequent applications
- Can stain surfaces
- Less effective in high humidity
7. Cleary 3336F Fungicide – Best Systemic Fungicide for Brown Patch
Cleary 3336F Fungicide is a professional-grade brown patch treatment known for its strong systemic action. The active ingredient, Thiophanate-Methyl (41.25%), ensures deep penetration into the grass, offering long-term disease resistance. This fungicide is commonly used in golf courses and residential lawns for premium turf protection.
This brown patch fungicide is highly effective against a variety of lawn diseases, including dollar spot, anthracnose, and snow mold. It provides both curative and preventive benefits, helping to stop fungal infections before they spread. The liquid formulation ensures even distribution across large lawn areas.
Cleary 3336F Fungicide is a great investment for serious lawn care enthusiasts. It works well on warm-season and cool-season grasses, ensuring year-round disease prevention.
Pros:
- Professional-grade
- Strong systemic action
- Long-lasting protection
- Works on various lawn diseases
- Effective for large areas
- Rainproof formula
- Easy liquid application
Cons:
- Requires careful mixing
- Not organic
- Can cause turf discoloration
8. Heritage G Fungicide – Best Granular Fungicide for Long-Term Protection
Heritage G Fungicide is a premium granular fungicide designed for long-term brown patch control. The active ingredient, Azoxystrobin, provides systemic protection, ensuring deep penetration into the grass. It effectively prevents and treats brown patch, dollar spot, and other turf diseases while promoting healthier grass growth.
This brown patch fungicide is easy to apply with a spreader, making it an excellent choice for large lawns. Its granular formulation ensures slow-release action, delivering consistent disease control for up to 28 days. Heritage G is rainproof, reducing the need for frequent reapplications.
Users appreciate its long-lasting protection and ease of use. It works well on all major turfgrass types, including Bermuda, Fescue, and Zoysia. If you need a granular fungicide with extended coverage, Heritage G is an outstanding choice.
Pros:
- Long-lasting slow-release formula
- Systemic disease protection
- Easy granular application
- Effective against multiple turf diseases
- Works on various grass types
- Rainproof
Cons:
- Higher price point
- Requires a spreader for even application
- Can take time to show visible results
9. Eagle 20EW Fungicide – Best Preventive Fungicide for Brown Patch
Eagle 20EW Fungicide is a highly effective systemic fungicide formulated to prevent and control brown patch. The active ingredient, Myclobutanil, works by inhibiting fungal growth and spreading throughout the plant for maximum protection. This liquid fungicide is popular for its preventive properties, making it ideal for proactive lawn care.
This brown patch fungicide is easy to mix and apply with a sprayer. It offers long-term disease prevention, lasting up to four weeks per application. It is also effective against dollar spot, powdery mildew, and rust, making it a versatile lawn care solution.
Users appreciate its reliability and strong preventive action. It is compatible with various turf types, including bluegrass, ryegrass, and fescue. If you’re looking for a high-quality preventive fungicide for brown patch, Eagle 20EW is an excellent option.
Pros:
- Strong preventive properties
- Systemic action for deep penetration
- Long-lasting protection
- Effective against multiple turf diseases
- Works on various grass types
- Easy liquid application
Cons:
- Requires precise dilution
- Not safe for edible plants
- Can cause turf discoloration if overapplied
10. Headway G Fungicide – Best Dual-Action Fungicide for Brown Patch
Headway G Fungicide combines two powerful active ingredients, Azoxystrobin and Propiconazole, to deliver superior brown patch control. This dual-action formula provides both systemic and contact protection, ensuring comprehensive disease management. It is available in granular form, making application simple and mess-free.
This brown patch fungicide is effective against a broad range of turf diseases, including dollar spot, anthracnose, and rust. Its slow-release formula ensures continuous disease prevention for up to 28 days. Headway G works well on various grass types, including Bermuda, Zoysia, and Kentucky bluegrass.
Users love its dual-action approach and ease of application. It is a top choice for those seeking professional-grade protection in a convenient granular formulation.
Pros:
- Dual-action formula
- Systemic and contact protection
- Long-lasting prevention
- Easy granular application
- Effective against multiple lawn diseases
- Rainproof
Cons:
- Premium price
- Requires a spreader for even coverage
- May take time to see visible improvement
Best Fungicide For Brown Patch FAQs
1. What is the best systemic fungicide for Brown Patch?
The best systemic fungicide for Brown Patch is Heritage G, containing Azoxystrobin, which penetrates the turf and eliminates fungal growth internally.
2. How often should I apply Brown Patch fungicide?
Most Brown Patch fungicides should be applied every 14 to 21 days for optimal disease control. Always follow manufacturer guidelines.
3. Can I use fungicide on newly seeded lawns?
Yes, but choose a gentle fungicide like Banner MAXX II, as some strong formulations may inhibit seed germination.
4. Is Brown Patch preventable without fungicide?
Proper lawn maintenance, including good drainage, balanced fertilization, and adequate aeration, can reduce Brown Patch risk but may not fully prevent it.
5. Does temperature affect Brown Patch outbreaks?
Yes, Brown Patch thrives in warm, humid conditions, typically between 70°F and 90°F.
6. Can I mix different fungicides for Brown Patch?
Yes, rotating or mixing fungicides with different modes of action helps prevent resistance and improves effectiveness.
7. Which turf varieties are most susceptible to Brown Patch?
Tall Fescue, Kentucky Bluegrass, and Perennial Ryegrass are highly prone to Brown Patch, requiring regular monitoring and treatment.
Conclusion
Selecting the best fungicide for Brown Patch ensures a healthy, disease-free lawn. Heritage G stands out as the best overall choice due to its granular systemic action and effectiveness across multiple turf varieties. As the runner-up, Banner MAXX II provides fast-acting liquid formulation and long-term disease prevention.
Whether choosing a contact or systemic fungicide, regular application and proper lawn care are key to preventing and controlling Brown Patch disease.
For the best results, rotate fungicides, maintain proper watering schedules, and apply treatments during early disease development. Investing in a high-quality Brown Patch fungicide is the most effective way to maintain lush, green, and disease-free turfgrass.
Recent Posts
Amaryllis bulbs produce stunning blooms, but their care doesn’t end after the flowers fade. Proper post-bloom maintenance is crucial to ensuring the bulbs regain their strength and rebloom in the...
Fix Brown Patches in a lawn can be frustrating for homeowners, affecting the overall beauty of the landscape. Lawn Brown patches can result from various factors, including pests, diseases, improper...