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Chri from Lake Stevens, Wa. writes

Will Prodiamine 65 WDG (Generic Barricade) kill poa annua (annual bluegrass) that is already established and growing, or just prevent the poa annua seeds from germinating?

Answer:

Prodiamine 65 WDG (Generic Barricade) is only a pre-emergent that prevents weeds from germinating, it would not kill established weeds. Please view our How to Get Rid of Poa Annua Treatment Guide for more information. 

Answer last updated on: 04/28/2021

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