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Jj from Tx writes

Will Hi - Yield 2, 4 - D Selective Weed Killer kill clover in my St Augustine lawn?

Answer:

Hi Yield 2, 4-D is NOT safe to be used on sensitive grasses such as Zoysia, Centipede and St. Augustine. Hi - Yield 2, 4 - D Selective Weed Killer is labeled for sweet clover and white clover. The product label does note that light applications of Hi-Yield 2, 4-D Selective Weed Killer will injure white clover but that it may recover and repeat applications will be needed to kill the weed.  Speedzone Southern is labeled for clover and for use on St Augustine grass. According to the Speedzone Southern product label: "The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St. Augustine. Please take a few moments to read through the product label completely for full instructions and other precautions". 

Answer last updated on: 04/24/2019

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Hi - Yield 2, 4 - D Selective Weed Killer

Hi - Yield 2, 4 - D Selective Weed Killer

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