Rust is a relatively easy lawn disease to identify. It initially causes light yellow flecks on the grass blades and sheaths. The flecks enlarge and elongate over time, turning yellow in color. A severe disease infection can cause slow growth in your lawn. In order to treat this disease you will need to change your Atlanta lawn care regimen to include the following: • Reduce thatch with core aeration • Reduce shade and improve air circulation • Avoid watering at night For the best in Atlanta l