How to Identify and Treat Common Lawn Diseases

Homestead Harmony
Jul 19, 2024By Homestead Harmony


A lush, green lawn can quickly lose its appeal when plagued by diseases. At Homestead Harmony, we understand that identifying and treating lawn diseases is crucial for maintaining a healthy yard. Here's a guide to help you recognize common lawn diseases and take the necessary steps to treat them effectively.

1. Brown Patch

Dead grass of the nature background. a patch is caused by the destruction of fungus Rhizoctonia Solani grass leaf change from green to dead brown in a circle lawn texture background dead dry grass.

Brown patch is a common disease that appears as circular brown patches on the lawn. These patches can range from a few inches to several feet in diameter. The disease thrives in warm, humid conditions.

Identification:

Appearance: Circular, brown patches ranging from a few inches to several feet in diameter.
Time of Year: Common during hot, humid weather, typically in late spring and early fall.
Affected Grass Types: Mostly affects cool-season grasses like Kentucky bluegrass, perennial ryegrass, and fescues.

Treatment:

Watering: Water early in the morning to reduce moisture on the grass blades.
Mowing: Keep the grass at an optimal height and avoid cutting more than one-third of the blade length.
Fungicides: Apply fungicides if the disease persists. Homestead Harmony offers professional treatments to manage brown patch effectively.

2. Powdery Mildew

Powdery mildew is a fungal disease that presents as white or gray powdery growth on the grass blades, giving the lawn a dusty appearance. 

Lawn fungus commonly known as dollar spot. fungicide is needed to fix this problem

Identification:

Appearance: White or gray powdery growth on the grass blades.
Time of Year: Common in cool, shady areas during periods of high humidity.
Affected Grass Types: Primarily affects Kentucky bluegrass and fine fescues.

Treatment:

Shade Management: Increase sunlight exposure by trimming overhanging branches.
Mowing: Keep the grass height on the higher side to allow for better air circulation.
Fungicides: Use fungicides if the mildew persists. Homestead Harmony’s experts can recommend the best products and application methods.

3. Dollar Spot

Dollar spot is a common lawn disease characterized by small, circular, straw-colored spots about the size of a silver dollar. These spots can merge, forming larger, irregular patches.

Identification:

Appearance: Small, circular, straw-colored spots about the size of a silver dollar.
Time of Year: Common in late spring and early summer.
Affected Grass Types: Affects a variety of grasses, including bentgrass, Kentucky bluegrass, and Bermuda grass.

Treatment:

Fertilization: Ensure your lawn has adequate nitrogen levels.
Watering: Water deeply but infrequently to promote deep root growth.
Mowing: Keep your mower blades sharp to prevent damage to the grass.
Fungicides: Apply fungicides if necessary. Homestead Harmony can provide the right treatment plan for your lawn.

4. Rust

Wheat Diseases

Identification:

Appearance: Orange or yellowish powdery spores on the grass blades.
Time of Year: Common in late summer and early fall.
Affected Grass Types: Affects ryegrass, Kentucky bluegrass, and zoysia grass.

Treatment:

Fertilization: Apply a balanced fertilizer to boost lawn health.
Watering: Water deeply and less frequently to strengthen the grass.
Mowing: Mow regularly and collect clippings to reduce spore spread.
Fungicides: Apply fungicides for severe cases. Homestead Harmony can help with effective rust management strategies.

5. Red Thread

Identification:

Appearance: Pinkish-red thread-like structures on the grass blades, leading to patchy areas.
Time of Year: Common in cool, damp conditions, usually in spring and fall.
Affected Grass Types: Affects fine fescues, ryegrass, and Kentucky bluegrass.

Treatment:

Fertilization: Apply nitrogen-rich fertilizer to promote healthy growth.
Watering: Water early in the morning to reduce leaf wetness.
Mowing: Keep your lawn at an optimal height and ensure good air circulation.
Fungicides: Use fungicides if the disease is severe. Homestead Harmony can provide tailored treatments to control red thread.

Selective focus on grass. In a blurry background is a worker mowing the lawn.

Identifying and treating lawn diseases promptly is key to maintaining a healthy, beautiful yard. At Homestead Harmony, our team of lawn care experts is equipped with the knowledge and tools to diagnose and manage lawn diseases effectively. If you're struggling with any of these common lawn issues, don't hesitate to reach out to us for professional assistance.

For more information or to schedule a consultation, visit Homestead Harmony website, email us at [email protected], or call us at (210) 889-6011.

Let us help you keep your lawn disease-free and thriving!