Dollar Spot Lawn Disease: Identification, Causes & Prevention

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Curt Boak

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If you notice small, round, straw-colored patches in your grass — about the size of a silver dollar — you might be dealing with Dollar Spot Lawn Disease. This turf fungus is one of the most common and frustrating problems homeowners face during the growing season. What Is Dollar Spot Lawn Disease? Dollar Spot Lawn ... Read more

If you notice small, round, straw-colored patches in your grass — about the size of a silver dollar — you might be dealing with Dollar Spot Lawn Disease. This turf fungus is one of the most common and frustrating problems homeowners face during the growing season.

What Is Dollar Spot Lawn Disease?

Dollar Spot Lawn Disease appears as tiny circular spots that can spread and merge, leaving your lawn patchy and weak. It thrives during warm days, cool nights, and high humidity — especially when the lawn is under fertilizer stress or lacks proper nutrients.

How to Identify Dollar Spot

Look closely at your grass blades. You’ll see tan-colored lesions with reddish-brown borders, which are clear signs of Dollar Spot. While it rarely kills grass completely, it weakens the turf, making it more vulnerable to weeds and other stressors.

Causes of Dollar Spot

Dollar Spot develops when moisture lingers on grass blades for long periods. Poor air circulation, overwatering at night, and low nitrogen levels all contribute to its spread.

How to Prevent Dollar Spot Lawn Disease

To keep your lawn healthy:

  • Mow regularly and keep the grass at the right height.
  • Don’t water in the Evening Hours to reduce humidity and drying time.
  • Apply balanced fertilizers with enough nitrogen to strengthen the turf.
  • Improve air circulation by removing thatch buildup and aerating your soil.

Treatment Options

If Dollar Spot appears, use a fungicide labeled for turf diseases and follow the product directions carefully. Consistent lawn care practices will help restore color and prevent future outbreaks.

Get Professional Lawn Care Help

Don’t let Dollar Spot ruin your yard’s beauty. Contact LawnTech today for expert lawn disease treatment and prevention services. Our specialists can inspect your lawn, recommend solutions, and ensure your grass stays green and healthy.

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