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Jim from Northern Virginia writes

I have what a landscape person called Rough Stalk Bluegrass, a Canadian Hybrid or Poa Trivilais.

There are patches in my yard that have a bright greenish color. It really stands out. Will Tenacity take care of this.

Answer:

 Tenacity Herbicide is labeled to take care of this. Be sure to mix a surfactant like Non Ionic surfactant to help promote the product to stick.  

Answer last updated on: 04/14/2015

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