Problems

Large Patches of Yellow Grass Surrounded by Pink or Grey Moss

Snow mold

Symptoms and Time of Appearance

Circular patches 5 to 17 cm in diameter with the presence of pink or grey moss. Appears in the spring as the snow melts.

Organism responsible

Disease known as snow mold.

Preventive measures

Snow mold will disappear with the return of warm, dry weather. The disease rarely causes major damage to residential lawns and therefore does not require specific control methods.