What are these white patches of grass? #716803 - Ask Extension

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What are these white patches of grass? #716803

Asked August 23, 2020, 10:23 PM EDT

found this white "grass " looked almost like bird feathers from afar. Spreading onto neighbors lawn, as well.

New Castle County Delaware

Expert Response

Hello,
These patches of grass look to be dallisgrass that has been treated with a herbicide that inhibits chlorophyll synthesis.
John Emerson Jr. Replied August 24, 2020, 1:19 PM EDT

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