what's wrong with my grass - Ask Extension
Can you tell me if there is a problem with the grass in my lawn or is this just dormancy? Thanks, Bob
Knowledgebase
what's wrong with my grass #857203
Asked January 09, 2024, 6:56 PM EST
Can you tell me if there is a problem with the grass in my lawn or is this just dormancy?
Thanks,
Bob
Multnomah County Oregon
Expert Response
Its red thread, a fungal pathogen that attacks under fertilized turfgrass. When the temperatures are back in the 50s apply a fertilizer with quick release N, like urea or ammonium sulfate.
Turfgrass Diseases: Red Thread (Causal Fungus: Laetisaria fuciformis) (psu.edu)