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Question DetailsAsked on 5/13/2013

How do I selectively control Tall Fescue (or Kentucky 31) in a predominantly bluegrass lawn in central Indiana?

Located in central Indiana. New construction in what used to be an old corn field. Tall Fescue seem to have invaded the lawn. I would like to selectively control/eliminate the Tall Fescue (or Kentucky 31). Willing to go with a lawn service provider.

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I would talk to your local lawn and garden supply store (or mill and feed) - NOT a box store or hardware store. There are also selective grass control chemicals. YOu can research this by Googling using search string "Tall Fescue Control" - there are lots of articles by the USDA and individual state cooperative extension services.

There is a treatment called chlorsulfuron TFC (Tall Fescue Control) that will do this - it worked for me in western New York, but took 3 years to finish out all the tall fescue. It may now be limited to use by commercial applicators - pretty potent stuff. Can yellow bluegrass or make it phytosensitive, but our looked OK during treatment because the TFC was applied in the fall for best results, and our lawn was dormant till spring anyway.

Tall fescue can also be controlled by real short mowing, but only in areas where the bluegrass is dominant and really thrives so will eventually crowd out the trimmed fescue, but you may be too far north for that.


Answered 4 years ago by LCD




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