University of Maryland Extension

Dollar Spot - Lawns

dollar spot in a zoysia lawn

Dollar spot in zoysia. Photo by K. Mathias, U. of MD

Dollar spot is a common fungal disease of turfgrasses in Maryland throughout the growing season.  Dollar spot affects all species of turfgrass grown in Maryland, including zoysia. Tall fescue appears to be resistant.

Symptoms

Hourglass-shaped lesions, extending across the blade with whitened centers and dark borders. Produces numerous two- to six-inch spots.


white dollar spot lesion
Dollar spot on zoysia

Conditions favoring disease

  1. Occurs late spring through fall. Causes most damage in June-July.
  2. Usually more prevalent on under-fertilized turf.
  3. Drought, thatch, and compacted soil increase disease susceptibility.

Control

  1. Follow recommended fertilizer schedule.
  2. Aerate and eliminate thatch in the lawn.

**University of Maryland Extension Lawn Fertilizer Schedule for Home Lawns**

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