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Maintaining a healthy lawn in June can be challenging, especially in Zone 7 where warm temperatures and humidity can promote the growth of various lawn diseases. Early identification and prompt treatment are essential to keep your grass lush and vibrant throughout the season.
Common Lawn Diseases in June
Brown Patch
Brown Patch is a fungal disease caused by Rhizoctonia solani. It appears as circular or irregular patches of brown, dying grass with a darker border. It thrives in hot, humid conditions, especially during June.
Dollar Spot
Dollar Spot presents as small, sunken, silver-gray spots that are about the size of a silver dollar. These spots often have a straw-colored or tan halo around them and can merge to form larger areas of damage.
Leaf Spot Diseases
Leaf Spot diseases cause dark, necrotic spots on grass blades, leading to thinning and browning of the turf. They are common in moist conditions and can be caused by several fungi.
How to Identify Lawn Diseases
Proper identification involves observing the symptoms and the conditions of your lawn. Look for discolored patches, fungal growth, or unusual spots on grass blades. Check the weather; diseases often develop in warm, humid, or wet conditions.
Use a hand lens to examine the grass for fungal growth or spores. Take a sample to your local extension office for confirmation if needed.
Effective Treatment Strategies
Cultural Practices
- Aerate your lawn to improve air circulation and reduce soil compaction.
- Water early in the day to allow grass to dry before evening.
- Maintain proper mowing height to reduce stress on the grass.
- Remove thatch buildup to improve water and nutrient penetration.
Fungicide Applications
If fungal diseases are confirmed, apply a fungicide labeled for the specific disease. Follow the manufacturer’s instructions for timing and application rates. Reapply as necessary, especially after heavy rains.
Preventative Measures
- Maintain proper lawn nutrition with balanced fertilization.
- Choose disease-resistant grass varieties suitable for Zone 7.
- Keep your lawn free of debris and thatch to prevent fungal growth.
- Monitor your lawn regularly for early signs of disease.
By combining cultural practices with targeted treatments, you can effectively manage common lawn diseases in June and enjoy a healthy, green lawn throughout the season.