Nature's Creation Fungicide with Corn Meal Horticultural Grade is a natural fungicide that fights soilborne diseases such as brown patch, take all patch, black/gray spot in St. Augustine Grass and damping off in seedlings. Nature's Creation Fungicide with Corn Meal Horticultural Grade also controls several disease pathogens including: rhizoctonia, pythium, fusarium, phytophthora, and others. Safe to use on all turf grasses. Always use as directed for best results.