Fungus and Disease Articles

Identify and manage common lawn fungus and diseases with simple, expert guidance. Learn the causes behind issues like brown patch, dollar spot, and lawn viruses, plus how to prevent damage and keep your turf healthy year-round.


Sugarcane Mosaic Virus (SMV) is infecting lawns in Pinellas County. Mild to moderately infected lawns often recover and return to their natural beauty. The most impacted areas are south of 38th Ave N and concentrated along the coastal areas.


Mushrooms growing in the lawn do not indicate you have a lawn disease or fungus in your St Augustine grass lawn. It means you have mushrooms - the flowering structure of fungi. Fungi are beneficial to the lawn by composting organic matter into plant food for the lawn.


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