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August is a critical month for lawn care, especially when it comes to fungal issues. Warm, humid conditions create the perfect environment for various fungi to thrive, which can lead to unsightly and unhealthy lawns. Recognizing the signs early can help you take action before the problem worsens.
Common Fungal Problems in August
Brown Patch
Brown Patch is a prevalent fungal disease that appears as circular patches of brown, dead grass. It is most active during hot, humid weather, typically showing up in the late summer months. The patches can range from a few inches to several feet in diameter and often have a darker, ringed border.
Dollar Spot
This disease manifests as small, silver-dollar-sized spots of straw-colored grass. It can quickly spread across the lawn, especially under drought stress or when the grass is mowed too short. Dollar Spot is often more visible in the early morning when dew is present.
Sooty Mold
Sooty Mold is a fungal growth that appears as a black, soot-like coating on grass blades. It often results from the presence of honeydew excreted by pests like aphids or scales. While not directly damaging to the grass, it indicates pest problems that can lead to further fungal issues.
Signs to Watch For
Early detection of fungal issues is essential for effective treatment. Look for discolored patches, unusual growth patterns, or a powdery or fuzzy appearance on the grass. Additionally, areas that stay wet or retain dew longer than usual are more susceptible to fungal development.
Prevention and Control Measures
- Maintain proper mowing height to reduce stress on your lawn.
- Water early in the morning to allow grass to dry during the day.
- Avoid over-fertilizing, which can promote fungal growth.
- Improve soil drainage to prevent excess moisture buildup.
- Apply fungicides if necessary, following manufacturer instructions.
Combining good cultural practices with timely treatment can help keep your lawn healthy and fungal-free through August and beyond.