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Fairy Rings

Identification

A fairy ring presents as a dark green ring of grass, typically with fungi. Rings may be very small initially, perhaps less than 1 ft, but they normally expand each year. It is not uncommon for rings to be 6 ft or more in diameter. Completeness of the ring can range from a quarter circle to a semicircle or full circle.

Environment

Fairy rings, especially the mushrooms, are most commonly observed during the summer months when Florida receives the majority of its rainfall. Fairy rings occur when large quantities of organic matter, such as lumber, tree stumps, and logs, are naturally located or have been buried in a lawn.

Threats

Warm Season Turf Grass. St Augustine Zoysia Paspalum Bahia Bermuda

Treatment

Limited treatments are available, mostly for symptoms. Fungicides is inhibit the fungus / mushrooms. The dark green rings can be ‘masked’ by applying fertilizer to the area to even the color. Wetting agents for to encourage turf recovery from hydrophobic soils. Likely to return each year.