Fairy Ring – In Centipede Lawn
Q: I have a perfectly circled ring of dead centipede grass around my oak tree. I have another oak tree about 50’ from this one that doesn’t have this problem. The ring seems to grow larger every year as the tree grows.
A: I think fairies have been dancing in your lawn!
University of Georgia Extension turf disease expert Alfredo Martinez says:
“The symptoms depicted in the pictures look like fairy ring. Fairy rings are caused by soil fungi, producing rings or arcs as they slowly decompose organic matter. Due to their soil-inhabitant nature, they will appear at the same location and slowly expand from these areas (which is what is happening at this location).
“Disease management: can be disheartening sometimes; fairy rings thrive on organic rich soils (they are wood decay fungi in nature) therefore anything you can do to change the organic content in the soil will be helpful. Masking symptoms by fertilizing around the arc sometimes is appropriate. Regular core aeration and dethatching will help tremendously.
“A radical approach might be to dig the fairy ring out. A band of soil about one foot on either side of the ring should be removed to a depth of 8 – 12 inches. Fill the hole with good topsoil soil and resod the area.”
Most fungicides do not control fairy ring, but see below:
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Milkweed for Monarchs – Growing Milkweed in Georgia
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