Fairy rings

A fairy ring is a fungal colony that can sometimes cause a circular ring of dead grass and/or toadstools to appear in lawns.

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Fairy rings. Image: STRI

Quick facts

Common name Fairy rings
Scientific name Marasmius oreades and other fungi
Plants affected Lawns and areas of rough grass
Main symptoms Circular rings of dead grass and/or toadstools
Caused by Fungi
Timing Varies but mainly late summer and autumn

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