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Tracy from Benton Ar writes

Is Hi-Yield Killzall Aquatic Herbicide effective on water lilies and will a second application be needed?

Answer:

Hi-Yield Killzall Aquatic Herbicide is not labeled to kill or control waterlily therefore cannot be recommended. Hi-Yield 2, 4-D Selective Weed Killer is labeled for water lily. Please view the product label for more information.  Also, take a moment to read over this article by Texas A&M on How to Control Water Lily for additional information and treatment methods. 

Answer last updated on: 06/07/2022

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