Dollar spot is caused by a fungal pathogen that blights leaf tissues but does not affect turfgrass roots or crowns (Latin, Purdue University).

Symptoms & Signs:

• Circular patches of bleached turf
• Leaf lesions, light tan with reddish-brown borders
• Lesions may girdle leaf blade
• White fungal (cobwebby) growth, may be visible with early morning dew.

Time of Occurrence:

• Spring and Summer (humid temperatures, 60-80 degrees)