Crabgrass is the number one weed in Pennsylvania. Crabgrass is one of the most prevalent grassy weeds found in Pennsylvania lawns. Crabgrass thrives in full sunlight and high temperatures and can easily out-compete common cool-season grasses under these conditions.
There are many grass varieties found in America, however many of them can be more broadly categorized into 2 types: Warm Season Grasses and Cool Season Grasses.
We have listed just a few of the diseases that Allentown, Bethlehem, and the Lehigh Valley grasses can get.