Fungus and Disease Articles


During the cooler weather in Pinellas County, homeowners may see tannish crop circles in their lawn. Most likely those are caused by brown patch - a cool-weather disease. Brown patch forms perfect circles or lobed circles where individual circles have joined other circles. Many believe brown patch is caused by overwatering – it is not. Learn why.

Sugarcane Mosaic Virus is infecting lawns in Pinellas County. The most impacted areas are south of 38th Ave N and concentrated along the coastal areas.

Brown Patch is a cool weather fungus that when conditions are perfect, can cause cosmetic damage but not kill St Augustine turf grass lawns.


Small tan or straw-colored spots in your St Augustine grass lawn is Dollar Spot. They can be a few or many and make the lawn appear blotchy or spotted. Dollar spot signals your lawn is ready for a feeding

Fairy Rings are those dark green circles in the lawn with large white mushrooms growing along the outer edge.