If you’re looking for the best fungicide for St. Augustine grass, you’ve come to the right place. Fungicides are essential for maintaining the health and appearance of your lawn, especially in regions where St. Augustine grass is prevalent. Before purchasing any fungicide, there are a few key factors you should consider to ensure that you choose the right product for your needs.
One important factor to consider is the type of fungicide. There are different types available, including systemic and contact fungicides. Systemic fungicides are absorbed by the grass and provide long-lasting protection, while contact fungicides kill fungus on the surface of the grass. The choice between the two depends on the severity of the fungal infection and your preferred method of application.
Another factor to consider is the active ingredients in the fungicide. Different active ingredients target specific types of fungal infections, so it's important to choose a fungicide that is effective against the particular fungus affecting your St. Augustine grass. Consulting with a professional or conducting a soil or leaf test can help you identify the specific type of fungus and select the appropriate fungicide.
Before making a purchase, ask yourself: How easy is it to apply the fungicide? Is it safe for pets and children? How quickly does it start working? Does it have any harmful side effects? By asking these questions, you'll be able to make a more informed decision and choose the best fungicide for your St. Augustine grass. So, keep reading to discover the top options available and ensure the health and beauty of your lawn all year round.
10 Best Fungicide For St Augustine Grass
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The product is ideal for fertilizing St. Augustine lawns to promote healthy growth and nutrient uptake.
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The product is ideal for controlling and preventing fungal diseases in lawns and gardens.
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It is ideal for controlling fungus on lawns, covering up to 5,000 square feet in a fast-acting manner.
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Ideal for controlling and preventing lawn fungus, including brown patch, dollar spot, and rust.
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The product is ideal for controlling systemic fungus in lawns, landscapes, and greenhouses.
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The product is ideal for repairing damaged St. Augustine lawns without the need for grass seeds, covering up to 85 sq. ft.
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Heritage G Fungicide 10lb is ideal for preventing and treating fungus on lawns, gardens, and ornamental plants.
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The Garden Safe 32 oz. Fungicide Ready to Use is ideal for preventing and treating fungal diseases in plants.
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Southern Ag Liquid Copper Fungicide is ideal for effectively preventing and treating fungal diseases on various plants.
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The product is ideal for eliminating fungus and insects in lawns and gardens.
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1. Seedranch St. Augustine Lawn 24-2-11 Fertilizer – 50 Lbs.
Introducing the highly effective and nutrient-rich lawn care product, boasting an impressive 6% iron content for exceptional greening. This remarkable formula is designed to provide your lawn with the essential nutrients it needs to thrive, particularly for St Augustine lawns. With a generous coverage of 12,000 square feet, you can be confident that your entire lawn will benefit from this top-notch product.
One of the standout features of this lawn care solution is its iron content. Iron is a crucial element for promoting vibrant and lush greenery, and with a significant 6% concentration, your lawn will enjoy an unparalleled level of greening. Say goodbye to lackluster and dull-looking grass, and say hello to a visually stunning and healthy lawn that will be the envy of your neighbors.
With a coverage of 12,000 square feet, this product is designed to cater to lawns of various sizes. Whether you have a small suburban yard or a sprawling estate, this lawn care solution has got you covered. No corner of your lawn will be left untouched by its nourishing and revitalizing properties.
Not only does this product excel in providing essential iron, but it also offers a comprehensive range of nutrients to ensure your St Augustine lawn remains in optimal condition. By supplying your grass with the necessary nutrients, you can expect a stronger and more resilient lawn that can withstand environmental stressors and maintain its lush appearance.
When it comes to lawn care, it's important to choose a product that delivers on its promises. This product is backed by years of research and development, ensuring that it meets the highest standards of quality and effectiveness. With its proven track record, you can be confident that your lawn will receive the care it deserves.
2. Monterey Lg3216 Fungi-Max Brand Concentrate Multi-Purpose Lawn & Garden Fungicide, 16 Oz
Introducing the highly effective and versatile Fungi-Max Systemic Action Fungicide. This remarkable product is designed to prevent and control a wide range of plant diseases, making it an essential tool for any gardener or plant enthusiast.
With Fungi-Max, you can effectively combat anthracnose, brown patch, copper spot, dollar spot, leaf spot, melting out, crown rot, leaf smuts, powdery mildew, rust, red thread, and spring dead spot. It offers complete coverage, making it suitable for use on a variety of outdoor plants such as roses, flowers, ornamentals, shrubs, trees, lawns, fruit and nut trees, berries, and vegetables.
One of the standout features of Fungi-Max is its systemic action, which means it works from within the plant to provide long-lasting results. By applying Fungi-Max at the first sign of disease, you can effectively halt its progress and protect your plants. This is particularly effective when applied as grass begins to turn green in the spring or when you first notice signs of diseases.
Not only does Fungi-Max offer exceptional protection against plant diseases, but it also provides lasting results. With just one application, Fungi-Max can safeguard your plants for up to two weeks, giving you peace of mind and allowing your plants to thrive.
Using Fungi-Max is a breeze. Simply dilute the product with water and apply it using a spray tank. It's important to carefully read and follow the label directions before use to ensure the best results.
3. Scotts Diseaseex Lawn Fungicide – Fungus Control, Fast Acting, Treats Up To 5,000 Sq. Ft., 10 Lb.
Scotts DiseaseEx Lawn Fungicide is a highly effective solution for preventing and controlling lawn diseases. This product can be used on home lawns to prevent disease before it appears and control disease at the first sign of symptoms. With the ability to control 26 different lawn diseases, including brown patch, stem & stripe rust, red thread, powdery mildew, necrotic ring spot, and pink patch, it offers a comprehensive solution for all your lawn care needs.
This fungicide is designed to start working within 24 hours of application and can continue to control diseases for up to 4 weeks. For the best results, it is recommended to begin applying this lawn care treatment prior to disease symptoms or when conditions are favorable for disease. This will help to ensure that your lawn remains healthy and disease-free throughout the year.
One 10 lb. bag of Scotts DiseaseEx Lawn Fungicide is enough to treat up to 5,000 sq. ft. of lawn, making it a cost-effective solution for large lawns. Whether you are a professional landscaper or a homeowner looking to maintain a healthy lawn, this product is an excellent choice for preventing and controlling lawn diseases.
4. Bioadvanced Fungus Control For Lawns, Ready-To-Spray, 32 Oz
Looking for a reliable solution to keep your lawn healthy and free from disease? Look no further than this fungicide for lawns. With its powerful formula, it effectively cures and prevents listed lawn diseases, ensuring that your lawn stays healthy and green for longer.
This fungicide provides up to 30 days of protection against a range of lawn diseases, including Red Thread, Brown Patch, Dollar Spot, Rust, and more. It is designed to control these diseases, preventing them from spreading and causing further damage to your lawn.
One of the key features of this fungicide is its rainproof protection. Once applied, it is quickly absorbed by the grass and will not wash off, even during heavy rainfall. This means that you can enjoy long-lasting protection against lawn diseases, no matter what the weather conditions are like.
Not only is this fungicide effective, but it is also versatile and can be used on all types of lawns. Whether you have a cool-season grass or a warm-season grass, this fungicide is suitable for use and will provide effective disease control and prevention.
5. Gravex 20 Ew – Ultimate Fungus Control Solution!
Introducing Gravex 20 EW, a powerful weapon in the fight against plant diseases. With its active ingredient, myclobutanil, this specialty fungicide is a reliable partner for broad-spectrum disease control.
Gravex 20 EW goes beyond just curing diseases; it also prevents future outbreaks. By targeting both curative and preventive actions, Gravex effectively eliminates existing diseases and stops their development in its tracks.
But that's not all – Gravex 20 EW is capable of controlling over 38 troublesome plant diseases. From anthracnose to rusts in turfgrass, and powdery mildew to black spot in ornamentals, this product has got you covered. For a comprehensive list of diseases that Gravex can combat, refer to the product label.
Whether you need to protect your lawn, landscape, golf course, or greenhouse, Gravex 20 EW is the solution. It is approved for use in multiple sites and various plant species, making it versatile and adaptable. You can confidently use Gravex on common turf species, over 100 ornamental plants, and even residential fruit trees. For specific application directions and a complete list of tolerant species, consult the product label.
With Gravex 20 EW, your plants are not only protected in the present, but also in the future. Its unique upward systemic mobility ensures that tender new vegetation is shielded as it grows. This inside-out approach provides up to 28 days of continuous protection, giving your plants the best chance to thrive.
Please note that Gravex 20 EW is not available for sale in Alaska, Arizona, Hawaii, or Virginia. As with any pesticide, it is important to read and follow the label instructions carefully. Keep in mind that not all products are registered for use in every state.
Lastly, it's important to mention that Gravex 20 EW is not manufactured or distributed by Corteva Agriscience United States, the seller of Eagle 20EW. Eagle 20EW is a registered trademark of Dow Agrisciences LLC. Gravex 20 EW, on the other hand, is a trademark of Atticus, LLC.
Choose Gravex 20 EW for robust disease control that lasts. Protect your plants and ensure their health and vitality with this trusted fungicide.
6. St. Augustine Lawn Repair – Ez & Effective!
Scotts EZ Patch Lawn Repair for St. Augustine Lawns is the perfect solution for those looking to repair their lawns in a quick and efficient manner. This combination mulch and fertilizer is designed to repair St. Augustinegrass 60% faster than untreated lawns, with visible results as soon as 15 days after application (results may vary).
The mulch component of this product is specially designed to absorb up to 6x its weight in water, creating a moist and protective layer around the seed. This helps to promote healthy growth and establishment of St. Augustinegrass, ensuring a lush and beautiful lawn.
The fertilizer component of this product features an exclusive controlled release technology that feeds the grass over time, ensuring that it receives all the necessary nutrients to thrive. This technology helps to promote healthy growth and establishment, resulting in a lawn that is both beautiful and healthy.
Scotts EZ Patch Lawn Repair for St. Augustine Lawns comes ready-to-use, with enough product to cover up to 85 sq. ft. of lawn. This makes it a quick and easy solution for those looking to repair their lawns without having to spend hours on end doing so.
It is important to note that Scotts EZ Patch Lawn Repair for St. Augustine Lawns does not contain grass seed. However, it is still an excellent choice for those looking to repair their lawns quickly and efficiently.
7. Heritage G Fungicide 10lb
Introducing the powerful solution to combat turfgrass diseases – a broad-spectrum control that tackles more than 20 different types of diseases with ease. This incredible product, known for its effectiveness, includes brown patch, Pythium, and snow mold among the many turfgrass diseases it can control.
One of the remarkable features of this product is its ability to be absorbed through the leaf blade or stem and then taken up by the root system. This ensures that the treatment reaches every part of the plant, providing comprehensive protection against diseases.
With this product, you can enjoy extended application intervals of up to 28 days, depending on the level of disease pressure. This means fewer applications, saving you time and effort. It's a convenient solution for busy individuals and professionals who want to maintain healthy turfgrass without constantly applying treatments.
Not only does this product effectively control existing diseases, but it also tackles certain turfgrass diseases associated with turfgrass establishment from seed. This makes it an excellent choice for those who are in the process of establishing new turfgrass areas or conducting over-seeding of dormant turfgrass.
To cater to different needs and preferences, this product offers multiple formulation options. This flexibility allows you to choose the most suitable form for your specific application requirements. Additionally, it is designed to be easy to mix and handle, ensuring a hassle-free experience.
8. Garden Safe 32 Oz. Fungicide Ready To Use
Introducing the perfect solution for organic gardening enthusiasts – a versatile and effective product that serves as an insecticide, fungicide, and miticide all in one. This remarkable three-in-one garden essential is designed to provide complete coverage of all plant tissue, making it incredibly convenient and easy to use.
With this ready-to-use spray, you can protect a wide range of plants including roses, flowers, houseplants, ornamental trees and shrubs, as well as fruits and vegetables. Whether you're a seasoned gardener or just starting out, this product is a must-have for maintaining the health and vitality of your plants.
One of the key benefits of this spray is its ability to prevent a variety of listed fungal diseases. By applying this product weekly or every two weeks, you can effectively safeguard your plants from potential diseases until the threat is no longer present. This ensures that your plants stay healthy and vibrant, allowing you to enjoy a bountiful harvest or beautiful blooms.
What sets this product apart is its suitability for organic gardening. It can be used right up until the day of harvest, giving you peace of mind knowing that your plants are protected without compromising their organic status. This makes it an ideal choice for those who prioritize organic gardening practices and want to avoid the use of synthetic chemicals.
In addition to its organic compatibility, this product is formulated using high-quality ingredients that are safe for both plants and the environment. It meets all necessary safety standards, providing you with confidence in its effectiveness and reliability.
Whether you're dealing with pesky insects, fungal diseases, or mites, this all-in-one spray is your go-to solution. With its convenient ready-to-use format, you can easily apply it to your plants without any hassle. The spray ensures complete coverage, targeting all areas of your plants to effectively combat pests and diseases.
Say goodbye to multiple products and hello to the ultimate gardening companion. This three-in-one spray is a game-changer for organic gardeners, providing them with a reliable, effective, and convenient solution to protect their plants. Embrace the power of nature and enjoy a thriving garden with this exceptional product.
9. Southern Ag Liquid Copper Fungicide, 32oz – Quart
Introducing the groundbreaking solution for combating diseases caused by bacteria and fungi – the Controls Diseases Spray. Designed to deliver exceptional performance, this innovative formulation is your go-to defense against these harmful microorganisms.
One of the standout features of this product is its compatibility with hose end sprayers. This means that you can easily attach it to your sprayer and effortlessly treat your entire garden or lawn. No more tedious and time-consuming application methods – simply connect, spray, and watch as the powerful formula gets to work.
Not only does this spray effectively control bacteria and fungi, but it also tackles the issues of moss and algae. With just one product, you can address multiple concerns, saving you both time and money. Whether you're dealing with unsightly moss growth or troublesome algae, this spray is your reliable solution.
When it comes to power source, this spray operates manually. This means that you have complete control over the application process. Simply follow the instructions provided, and with a few manual pumps, you'll be ready to combat diseases, moss, and algae with ease.
The Controls Diseases Spray is not just any ordinary product – it is a highly effective and reliable solution that delivers exceptional results. Don't let bacteria, fungi, moss, or algae take over your garden or lawn. Take action today with the Controls Diseases Spray and experience the power of this incredible formulation.
10. Spectracide Immunox Fungus Plus Insect, 1 Pack
The lawn is a significant part of any home, and maintaining its lush green appearance is essential. However, lawn diseases, fungus, and insects can damage it badly, reducing its visual appeal. Fortunately, there is a solution – the Dual-Action Formula.
The Dual-Action Formula is a powerful lawn treatment that controls major lawn diseases and fungus, including those caused by insects. It also kills listed lawn-damaging insects on contact, making it an all-in-one solution. This dual-action formula is perfect for homeowners who want to maintain a healthy and beautiful lawn.
Rainy days can be a nightmare for lawn treatments, but not for the Dual-Action Formula. It is rainproof in hours and cannot be washed off by rain. This feature ensures that the product remains effective, regardless of the weather conditions.
Preventing disease is better than treating it, and that is precisely what the Dual-Action Formula does. Homeowners can start treating their lawns when grass begins to green up in the spring. For best results, it is recommended to treat every two weeks, ensuring that the lawn remains healthy and disease-free.
The Quickflip Hose-End Sprayer is an excellent addition to this product. It attaches easily to your garden hose and activates at the flip of a switch, making it effortless to apply. This feature ensures that homeowners can apply the product without any hassle, saving time and effort.
The Dual-Action Formula comes with a money-back guarantee. It guarantees results, and if homeowners are not satisfied, their money will be refunded. This feature ensures that homeowners can purchase the product with confidence, knowing that their investment is safe.
Best Fungicide For St Augustine Grass FAQs
Are there any fungicides that are safe for use on St. Augustine grass during hot summer months?
Yes, there are fungicides that are safe for use on St. Augustine grass during hot summer months. One such fungicide is azoxystrobin, which is commonly used to control fungal diseases in turfgrass, including St. Augustine grass. Azoxystrobin is known for its effectiveness against diseases like brown patch and dollar spot, which can be prevalent during hot and humid conditions.
When using any fungicide, it is important to carefully read and follow the instructions provided by the manufacturer. This includes application rates, timing, and any necessary safety precautions. Additionally, it is advisable to consult with a local lawn care professional or extension agent to get specific recommendations for your area and to ensure you are using the appropriate product for your particular situation.
In addition to fungicide application, it is also crucial to maintain proper cultural practices for your St. Augustine grass, such as regular mowing, adequate watering, and proper fertilization, as these practices can help enhance the grass's natural resistance to diseases.
Are there any organic or natural fungicides that work well on St. Augustine grass?
Yes, there are several organic or natural fungicides that can be effective in treating fungal diseases on St. Augustine grass. One popular option is neem oil, which is derived from the neem tree and has antifungal properties. Neem oil can help control a wide range of fungal diseases, including those affecting St. Augustine grass. Another natural fungicide is potassium bicarbonate, which works by altering the pH on the leaf surface, making it less favorable for fungal growth. Additionally, compost tea, made from composted organic matter, can help boost the overall health of the grass and make it more resistant to fungal infections. It's important to note that while these organic fungicides can be effective, they may require multiple applications and should be used according to the instructions provided.
Are there any systemic fungicides that are safe to use on St. Augustine grass?
Yes, there are systemic fungicides that are safe to use on St. Augustine grass. One commonly used systemic fungicide for St. Augustine grass is azoxystrobin. It is effective against various fungal diseases such as brown patch, gray leaf spot, and dollar spot. Azoxystrobin works by inhibiting the fungal respiration, preventing it from spreading and causing damage to the grass. It is important to carefully read and follow the instructions on the fungicide label to ensure safe and effective application. Additionally, it is recommended to consult with a professional or local extension service to determine the specific fungicide and application rate suitable for your St. Augustine grass and the specific fungal disease you are targeting.
Can you recommend a fungicide specifically formulated for St. Augustine grass?
Yes, I can recommend a fungicide that is suitable for St. Augustine grass. One popular option is the azoxystrobin fungicide. It is a systemic fungicide that effectively controls a wide range of fungal diseases commonly found in St. Augustine grass, such as brown patch, gray leaf spot, and dollar spot. Azoxystrobin works by inhibiting fungal respiration and preventing the growth and spread of fungal pathogens.
To use azoxystrobin, carefully follow the instructions provided by the manufacturer. Typically, it is recommended to mix the fungicide with water and apply it evenly over the affected areas of the grass. Be sure to apply the fungicide at the appropriate time and frequency, as specified on the product label.
It is important to note that different fungicides are available in the market, and their effectiveness may vary depending on the specific fungal disease and the region in which you live. Therefore, it is advisable to consult with a local horticulturist, extension service, or professional lawn care provider who can provide personalized recommendations based on your specific needs and location.
Can you suggest a fungicide that is rainfast and long-lasting on St. Augustine grass?
One fungicide that is known to be rainfast and long-lasting on St. Augustine grass is azoxystrobin. Azoxystrobin is a systemic fungicide that provides excellent control against a wide range of fungal diseases, including those that commonly affect St. Augustine grass, such as brown patch and gray leaf spot. It is rainfast within hours of application, meaning that it won't wash off easily during rainfall, ensuring its effectiveness even after it has been exposed to water. Additionally, azoxystrobin has a long residual activity, meaning it remains active in the plant tissues for an extended period of time, offering ongoing protection against fungal diseases. It is advisable to always read and follow the manufacturer's instructions and consult with a professional or local extension office for specific recommendations for your area and situation.
What are the most effective fungicides for controlling diseases in St. Augustine grass?
There are several effective fungicides available for controlling diseases in St. Augustine grass. One of the most commonly used fungicides is azoxystrobin, which is effective against a wide range of diseases including brown patch, gray leaf spot, and dollar spot. Another effective fungicide is propiconazole, which is particularly effective against brown patch and rust diseases. Other fungicides that are commonly used for controlling St. Augustine grass diseases include myclobutanil, triadimefon, and thiophanate-methyl. It is important to note that the effectiveness of fungicides can vary depending on the specific disease and the severity of the infection. It is recommended to consult with a professional or local extension office for specific fungicide recommendations based on the specific disease you are dealing with. Additionally, it is important to follow the instructions on the fungicide label carefully to ensure safe and effective application.
What is the best fungicide for controlling and preventing rust disease in St. Augustine grass?
The best fungicide for controlling and preventing rust disease in St. Augustine grass is a product that contains the active ingredient azoxystrobin or propiconazole. These fungicides are specifically formulated to target and eliminate rust fungi that commonly affect grasses, including St. Augustine grass.
Azoxystrobin-based fungicides work by inhibiting the respiration of the rust fungi, preventing their growth and reproduction. Propiconazole-based fungicides, on the other hand, interfere with the biosynthesis of ergosterol, an essential component of the fungal cell membrane.
When selecting a fungicide, it is important to follow the manufacturer's instructions for application rate and timing. Typically, applications should be made at the first sign of rust disease or when environmental conditions favor its development, such as high humidity and temperatures between 68-86°F (20-30°C). Repeat applications may be necessary based on the severity of the infection.
It is also recommended to promote overall lawn health by maintaining proper mowing height, adequate irrigation practices, and regular fertilization. This will help strengthen the grass and make it more resistant to rust disease.
What is the best fungicide for controlling brown patch disease in St. Augustine grass?
When it comes to controlling brown patch disease in St. Augustine grass, there are several effective fungicides available on the market. One commonly recommended fungicide is azoxystrobin, which belongs to the strobilurin class of fungicides. Azoxystrobin works by inhibiting the respiration process of the fungus, thereby preventing its growth and spread.
Another effective fungicide for brown patch disease is propiconazole, which belongs to the triazole class of fungicides. Propiconazole works by disrupting the synthesis of ergosterol, an essential component of the fungal cell membrane, leading to its death.
It is important to carefully follow the instructions provided by the manufacturer when applying fungicides. Additionally, it is recommended to rotate between different fungicides with different modes of action to prevent the development of resistance in the fungal population.
However, I would suggest consulting with a local agricultural extension office or a professional lawn care service in your area. They can provide specific recommendations based on your location, the severity of the disease, and any local regulations or restrictions.
What is the best fungicide for preventing and treating dollar spot in St. Augustine grass?
When it comes to preventing and treating dollar spot in St. Augustine grass, there are a few fungicides that have been found to be effective. One of the most commonly recommended fungicides is chlorothalonil. This broad-spectrum fungicide can be applied as a preventive measure or as a curative treatment for dollar spot. It works by inhibiting the growth of fungal pathogens that cause the disease.
Another fungicide that is often used for dollar spot control is azoxystrobin. This systemic fungicide provides both preventive and curative action against dollar spot. It is absorbed by the grass and translocates throughout the plant, providing long-lasting protection.
It's important to note that proper cultural practices, such as proper watering and mowing, are also crucial in managing dollar spot. Fungicides should be used in conjunction with these practices for best results. Additionally, it is always recommended to consult with a local extension office or professional lawn care service for specific product recommendations and application instructions based on your location and the severity of the problem.
Which fungicide is most effective for treating gray leaf spot in St. Augustine grass?
When it comes to treating gray leaf spot in St. Augustine grass, one of the most effective fungicides is azoxystrobin. Azoxystrobin is a broad-spectrum fungicide that specifically targets the fungus responsible for gray leaf spot. It works by inhibiting the respiration process of the fungus, effectively stopping its growth and preventing further damage to the grass.
Another effective fungicide for gray leaf spot in St. Augustine grass is propiconazole. Like azoxystrobin, propiconazole is a broad-spectrum fungicide that targets a wide range of fungal diseases. It works by interfering with the synthesis of ergosterol, an essential component of the fungal cell membrane, leading to the death of the fungus.
It is important to carefully read and follow the instructions on the fungicide label for proper application and dosage. Additionally, it is recommended to consult with a professional or your local agricultural extension office for specific fungicide recommendations based on your location and the severity of the gray leaf spot infestation.