Orange Powder on Lawn? Identifying and Treating Lawn Rust Disease

Your lawn likely has Rust, a fungal disease turning grass orange or yellow. It develops an orange powder that covers grass and rubs off on shoes.

Common on Kentucky bluegrass, tall fescue, and ryegrass. Active during moist, warm weather, especially heavy dew periods. Grass stressed from lack of moisture or nitrogen is most threatened. Best treatment: apply high-nitrogen turf fertilizer to speed growth, and remove all clippings when mowing until disease passes. If it doesn't clear, use a lawn fungicide per label directions.

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