Lawn diseases are becoming more common, and changing weather is a big reason. Warmer temperatures, high humidity, and too much moisture create the perfect conditions for fungus to spread. As a result, these diseases harm your grass and make your yard look unhealthy and uninviting.
To keep your lawn green and beautiful, you need the right fungicide. Acting quickly can stop the spread of disease, protect your plants, and help your grass stay strong for years.
If you are not sure which fungicide works best for your lawn, do not worry. This guide will help you find the right treatment, explain how each one works, and show you the correct way to use it.
Lawn fungus can cause different diseases that damage grass and make your yard look unhealthy. Here are some common ones to watch for:
Fungicides are chemical or biological substances that you can use to control or eliminate fungal infections in plants or grass. They inhibit the growth of fungi and save your lawn from different diseases.
Below are the common types of fungicides for grass to control lawn diseases:
Now that you know about different types of fungicides, let’s look at the best options from each category to treat lawn grass fungus and boost your garden.
| Fungicide Name | Dosage (per 1000 square ft) | Effectiveness |
| Propiconazole | 1 to 2 fl oz | Broad Spectrum Fungi |
| Azoxystrobin | 0.31 to 0.78 oz | Systematic Fungi |
| Chlorothalonil | 4 to 6 fl oz | Contact Fungi |
| Flutolanil | 2 to 4 lb | Targeted Fungi |
| Fenarimol | 1 to 2 fl oz | Preventive Fungi |
Propiconazole is one of the most popular broad spectrum fungi. It treats a lot of diseases like Brown Patch, Dollar Spot, and Rust.
Whether you want a preventive measure or treatment for an existing fungal outbreak, Propiconazole is the best choice in both cases. For long-lasting protection, you should apply it 1 to 2 fl oz per 1000 square feet.
The most popular brand containing Propiconazole is Banner MAXX, as it can manage a wide range of lawn diseases.
Azoxystrobin is a systematic fungus that travels through the tissues of plants and provides them internal protection against different fungal infections.
Most commonly, it is known for controlling diseases like Dollar Spot and Anthracnose, as they affect the internal structure of the grass.
For effective results, you should apply 0.31 to 0.78 oz per 1,000 square feet.
As it is a contact fungicide, it remains on the surface of the grass and kills the fungal spores before they spread. It is beneficial for diseases in which fungus affects the outer layer of grass like Rust Disease and Leafspot.
To get the best results from this lawn fungus treatment, you have to apply 4 to 6 fl oz per 1,000 square feet.
The most popular product that has chlorothalonil for lawn diseases is Daconil.
It is a targeted fungicide and deals with some specific fungal diseases like Anthracnose.
Whenever you need immediate and concentrated fungal treatment for a disease, go for Flutolanil without thinking twice. The best part of this fungal treatment is that it does not affect the surrounding healthy grass.
Its recommended dosage is 2 to 4 lb per 1,000 square feet, and the best product containing Flutolanil is Prostar 70 WP.
Being a preventive fungicide, Fenarimol protects your lawn from diseases like Brown Patch and Dollar Spot. It creates a protective barrier around the grass and offers long-term protection. It is considered best as it prevents fungus from taking hold in the first place.
To get good results, you should apply 1 to 2 fl oz per 1,000 square feet. The most popular product incorporating Fenarimol is Rubigan.
If you are dealing with any lawn fungal disease, the above-mentioned yard fungicides can combat these diseases quickly.
You just need to understand different types of yard fungus treatments carefully to select the one according to your lawn disease.
By making the right choices on time, you can ensure a healthy and vibrant lawn.
Moreover, you can also consult with Paramount Landscaping for professional advice whenever needed.
It basically depends on the lawn disease and the type of fungicide you are using. A preventive fungicide should be applied every 14 to 21 days, whereas a curative fungicide should be applied immediately when you see the first sign of disease.
The best time to apply fungicide is early morning or late afternoon. The reason is, that temperatures are cooler, and there is less chance of fungicide evaporating quickly.
Most fungicides are safe for pets and it is mentioned on their label instructions. But it is better to keep pets away from the lawn till the fungicide dries completely to avoid any harm.
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