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How can I identify and treat powdery mildew in my lawn?
How can I identify and treat powdery mildew in my lawn?-February 2024
Feb 13, 2026 12:18 PM

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Identifying and Treating Powdery Mildew in Your Lawn

Powdery mildew is a common fungal disease that affects many types of plants, including lawns. It appears as a white or gray powdery coating on the leaves, stems, and sometimes even the flowers of infected plants. If left untreated, powdery mildew can weaken the grass and hinder its growth.

Identification

To identify powdery mildew in your lawn, look for the following signs:

  • White or gray powdery patches: Powdery mildew typically forms a powdery coating on the upper surface of the grass blades. It may also appear on the stems and other parts of the plant.
  • Distorted or stunted growth: Infected grass may exhibit stunted growth or become distorted in shape.
  • Yellowing or browning of leaves: As the disease progresses, the leaves may turn yellow or brown and eventually die off.
  • Visible fungal spores: In severe cases, you may be able to see the fungal spores with the naked eye. They often resemble fine white or gray powder.
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Treatment

Once you have identified powdery mildew in your lawn, it’s important to take immediate action to prevent its spread. Here are some effective treatment methods:

  • Prune affected areas: Remove any infected grass blades or plant parts to prevent the disease from spreading further.
  • Improve air circulation: Powdery mildew thrives in humid and stagnant conditions. Increase air circulation around the affected area by trimming nearby shrubs or trees and avoiding overcrowding of plants.
  • Avoid overhead watering: Watering your lawn from below, such as with a soaker hose, can help prevent the spread of powdery mildew. Avoid overhead watering, as it creates a moist environment that favors fungal growth.
  • Apply fungicides: If the infection is severe or persistent, you may need to use fungicides specifically formulated for powdery mildew. Follow the instructions on the product label carefully.
  • Practice good lawn maintenance: Keeping your lawn healthy and well-maintained can help prevent powdery mildew and other diseases. Regularly mow your grass to the appropriate height, fertilize as needed, and ensure proper drainage.
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    Remember, prevention is key when it comes to powdery mildew. By maintaining a healthy lawn and promptly addressing any signs of infection, you can effectively manage and treat powdery mildew in your lawn.

    Keywords: powdery, mildew, fungal, growth, prevent, disease, plants, leaves, infected

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