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Kerry from Tucson, Az writes

Will Barricade 4FL Pre-Emergent Herbicide (Prodiamine) be effective for pre emergent control of weeds emerging through decomposed granite in the southwest desert of Arizona?

Answer:

Depending on how compact the granite is, Barricade 4FL Pre-Emergent Herbicide (Prodiamine) should work. You want to ensure you are using enough water so that the product can penetrate through the granite & reach the soil where the weeds are. Please view the full product label for more information. 

Answer last updated on: 06/06/2022

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Barricade 4FL Pre-Emergent Herbicide (Prodiamine)

Barricade 4FL Pre-Emergent Herbicide (Prodiamine)

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