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Angie from Bakersfield, Ca writes

Will Grass Out Max kill poa that is growing in rye grass that also has dormant Bermuda?

I live in Bakersfield where we overseed our Bermuda grass with Rye each winter.. The Rye has Poa growing in the shaded areas of lawn. If i spray it now over Rye/Poa will the Bermuda be safe? And is it pet safe once dry?


Grass Out Max (Clethodim Herbicide) is a grass killer and would kill both the rye and the bermuda.  To kill poa annua in rye grassm, you would need to spot treat with a glyphosate based product such as Gly Pho-Sel Pro.  These grasses are closely related so there is no selective product label to kill one that would not also kill the other.  If you still see poa once the Bermuda is no longer dormant, you can use a product like Certainty.  

Answer last updated on: 02/19/2018

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