Signs Your Lawn Has a Disease (And What to Do About It)

Thomas Bailey • June 15, 2025

Top Signs Your Lawn May Have a Disease

Your lawn may look green from a distance, but if you’re seeing strange patches, odd colors, or thinning spots, it could be more than just bad luck—it might be lawn disease.

South Carolina’s warm, humid climate creates the perfect environment for turf diseases to spread fast if left untreated. In this blog post, we’ll break down the common signs of lawn disease, what causes them, and what you can do to get your lawn back in shape.

1. Brown or Yellow Patches That Spread Quickly

If you're seeing spots that start small and quickly expand in irregular shapes, this could be a sign of Brown Patch or Dollar Spot—two common fungal lawn diseases in the Southeast.

2. Grass That Looks Wet or Slimy

Excess moisture can lead to Pythium Blight, which often shows up as greasy-looking patches, especially after heavy rain or overwatering.

3. White, Gray, or Pink Powder on Grass Blades

This is a classic sign of Powdery Mildew, Red Thread, or Snow Mold—all fungal issues that can make your lawn look like it’s covered in dust or cotton.

4. Thinning Areas Despite Regular Watering

A diseased lawn may start to thin out even if you’re caring for it correctly. If parts of your grass seem to die off for no clear reason, fungus or root issues could be to blame.

5. Discolored Grass with “Smoke Rings”

Some fungal diseases create dark rings around infected patches that resemble burn marks or halos. This is a telltale sign of Brown Patch or Fairy Ring.

What Causes Lawn Disease in SC?

Lawn diseases are typically triggered by a combination of factors, including:

  • High humidity and heat
  • Poor drainage
  • Compacted soil
  • Overwatering or underwatering
  • Improper mowing or dull mower blades
  • Too much shade


What You Can Do About It

✔️ 1. Don’t Panic—Diagnose First

Many lawn issues look alike. Before applying treatments, it's important to identify the exact disease. Our team at Nature’s View can inspect your lawn and recommend the right solution.


✔️ 2. Adjust Watering Habits

Water early in the morning and deeply, but infrequently. Avoid evening watering, which can create damp conditions overnight.


✔️ 3. Mow Properly

Keep mower blades sharp and avoid cutting your grass too short, which weakens the lawn and makes it more vulnerable to disease.


✔️ 4. Apply Targeted Fungicide Treatments

If a fungal infection is confirmed, professional-grade fungicides can help stop it in its tracks. Our experts know exactly what to use—and when.



✔️ 5. Improve Soil Health with Fertilization

Healthy soil = stronger grass = better disease resistance. We offer custom fertilization plans for South Carolina lawns that strengthen root systems and boost overall turf health.

Don’t Fight Lawn Disease Alone

At Nature’s View Lawnscapes, we specialize in diagnosing and treating lawn diseases common to the Upstate South Carolina area. Whether you're dealing with patches, discoloration, or thinning, we’ll help you restore your lawn and keep it thriving all year long.



📞 Call us today at 864-416-5119

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