Fairy rings appear in any lawn, golf course or other turf areas during spring and summer months. The rings appear as either dark green or brown circular bands ranging in size from a few inches to 50 feet in diameter. The fairy ring fungus grows outward from a central point at a rate varying from a few inches to as much as several feet a year........Mushrooms frequently develop in a circle outside of the dark green or brown ring during spring and fall after a period of heavy rainfall or irrigation. Centuries ago people thought that the mushrooms appeared where "fairies" had danced the night before-hence, the name, fairy ring.
Richard L. Duble, Turfgrass Specialist
Texas Cooperative Extension
