A harmless, oddball fungus-like growth that shows up on grass overnight and looks worse than it is.

Gray, black, white, or yellow crusty or powdery patches sitting right on top of the grass blades. It can look alarming, but it's just feeding on thatch and dead organic matter, not the living grass. The lawn underneath is completely fine.
Often mistaken for: Can look scary like a lawn disease, but it's a harmless surface growth, not something attacking your grass.
Pops up suddenly after warm, humid, wet stretches — can appear almost overnight during any warm season here in the Triangle.
Can show up on any home lawn, regardless of grass type.

A fungal disease that causes big circular patches in warm-season lawns during cool, wet weather.

Tiny soil pests that damage grass roots, causing patchy thinning that looks like drought stress but doesn't respond to water.

A soil-borne fungal disease that kills turf in circular patches during hot, humid summer weather.

A common lawn disease that leaves small bleached-out spots, most noticeable on closely mowed grass.