Grass Master

Brown Patch

How to Identify Brown Patch

This fungal disease typically causes rings or patches of blighted turfgrass that measure five inches to more than 10 feet in diameter. Brown patch usually occurs in high relative humidity as well as temperatures of over 85 degrees during the day and over 60 degrees at night. This lawn disease can be quite active at cool temperatures on warm season grasses in the spring and fall.

Why Is Brown Patch a Problem for Your Lawn?

Brown patch causes leaf spots and thin, brown borders around the diseased patches that frequently appear in the early morning. Diseased turf may appear wet at first and the leaves will show a wilted or wavy pattern. After the leaves die in the infected area and mat down, new leaves can emerge from the surviving crowns.

Lawn Infected by Brown Patch

Susceptible Grass Types

  • All species of warm and cool season turfgrass

Learn more about other Ohio lawn diseases or contact us by filling out the form below.

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