When disease hits your lawn, control can be difficult unless you know how to identify lawn and grass diseases and understand the causes behind them. Many common lawn and grass diseases have fungal problems at their source. Fortunately, proper lawn maintenance and care prevent and resolve most fungal lawn disease. Common lawn diseases are Leaf Spot, Red Thread, Dollar Spot, Snow Mold, Powdery Mildew, Brown Patch and Summer Patch. Parshall Turf Care Experts will apply a fungicide that will stop the disease from spreading further. To keep the disease from returning Parshall will likely recommend a preventive disease program.