Brown patch is one of the most recognizable lawn diseases of mid to late summer. The fungus Rhizoctonia solani attacks grass leaf blades during stretches of hot, humid weather, leaving tan or brown circles across the yard. Cool-season grasses such as perennial ryegrass and tall fescue are the most susceptible; Kentucky bluegrass and fine fescues […] The post Brown Patch Fungus in Lawns: Causes, Treatment, and Prevention appeared first on Building and Construction .