What is Brown Patch?


Affected Varieties – Fescue, Ryegrass

Brown patch is a fungal disease of cool-season turfgrasses. It can be identified as circular patches that are brown, tan or yellow, ranging is size from six inches to several feet in diameter. You’ll also see unique lesions in the leaf blades. (See picture below)

Brown patch is most severe during extended periods of hot, humid weather. Prolonged leaf wetness will increase brown severity.

While many factors can’t be controlled, like cloudy weather or fluctuating temperatures, you can reduce brown patch:

Photos and content generously provided by The Lawn Institute

The Lawn Institute

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