Zoysia Diseases: Tips for Dealing with Zoysia Grass Problems

Having a beautiful lawn is every homeowner's dream. One of the most popular choices for warm-season turfgrass is Zoysia grass, known for its ability to tolerate heat and drought. However, even with proper maintenance, Zoysia grass is not immune to diseases. Here are some tips for dealing with Zoysia grass problems:

1. Identifying Zoysia Grass Diseases

The first step in dealing with Zoysia grass problems is identifying the disease. Common Zoysia grass diseases include brown patch, dollar spot, and rust. Brown patch appears as circular patches of brown grass, while dollar spot looks like small, silver-dollar-sized spots. Rust makes the grass appear orange-red and dusty. By identifying the disease, you can determine the appropriate treatment.

2. Proper Irrigation

Zoysia grass requires good drainage and deep watering to thrive. It's essential to water the grass deeply and infrequently, rather than frequently and shallowly. Overwatering can lead to fungal diseases, so it's important to make sure the soil has adequate drainage. Avoid watering in the evening or at night, as this can lead to prolonged periods of moisture on the grass, which again can promote fungal growth.

Brown patch on Zoysia grass

3. Maintaining Proper Mowing Height

Zoysia grass should be mowed to a height of 1-2 inches. Cutting the grass too short can weaken it and leave it vulnerable to diseases. Additionally, cutting more than one-third of the grass blade length in a single mowing can cause stress to the plant and also make it more prone to disease. Keeping up with regular mowing along with maintaining the right height prevents Zoysia grass from developing diseases.

Dollar spot on Zoysia grass

4. Fertilizing Properly

Zoysia grass is susceptible to nutrient deficiencies, particularly during times of stress or when growing in poor soil conditions. Therefore, it's crucial to fertilize the grass appropriately. A slow-release fertilizer applied in the spring and fall is recommended. Make sure not to over-fertilize, as this can lead to excessive growth and increase the chances of disease susceptibility.

Rust on Zoysia grass

5. Treating Zoysia Grass Diseases

If your Zoysia grass is infected with a disease, there are several ways to treat it. Fungicides or bactericides may be used to control the disease, but it's important to apply them properly and at the right time. In some cases, removing the affected area and re-sodding or replanting may be necessary. Prevention is always better than cure, so it's important to follow the above tips to prevent Zoysia grass diseases from occurring in the first place.

Zoysia grass, with its many benefits, is a popular choice among homeowners looking to enjoy a lush, green lawn. However, dealing with Zoysia grass problems can be challenging. Following these tips will help you keep your Zoysia grass healthy and disease-free!