Knowledgebase

What’s growing on my grass? #660729

Asked July 06, 2020, 7:45 PM EDT

My son noticed a small patch of grass where clusters of reddish brown threads are growing on the blades. See attached photo. I’ve never seen this and was unable to identify it with my google searches. It seems significantly different than the red thread photos I saw. What is it? Do I need to treat it? And if so, how best? Thank you for helping me with this question! Kristin

Hennepin County Minnesota

Expert Response

https://en.wikipedia.org/wiki/Red_thread_disease
i think you maybe seeing red thread and it is a disease of grass.
Thanks for the amazing picture. I am going to contact the turf expert at the UMN. I hope to get an answer for you. 
Thank you so much for your answer.  We learned something new, and that makes today a great day!
thankyou!
The Question Asker Replied July 07, 2020, 10:32 AM EDT
Thank you so much for your answer.  We learned something new, and that makes today a great day!
thankyou!
The Question Asker Replied July 07, 2020, 10:33 AM EDT
Thanks! Have a great day.

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