45+ Brown Patch St Augustine Grass Disease Identification. Brown patch disease in st augustine lawn. The name, brown patch, is not very descriptive of the varied symptom expression caused by brown.
There's only a finite amount of water, sunlight and nutrients in the ground and weeds will compete.
Unfortunately it is susceptible to brown. The spots turn fuzzy gray when wet. Augustine, and ryegrasses in regions with high humidity and/or shade. Disease vs environment while brown patch does cause patches of dead grass, other things can positive identification obviously, it would be nice to have a positive identification of a disease before.