Goose grass in Newnan turf is a very troublesome summer annual, grassy weed. This type of weed is most often found in athletic fields, golf greens and fairways, or in other turf grass lawns that are typically mowed short. Goose grass in Newnan turf commonly germinates about two weeks prior to crab grass. Goose grass germinates when soil temperatures are between 60 and 65 degrees Fahrenheit. This type of summer annual is generally recognized by its flat stem extending out from the center point of the plant which may be white or gray in color.