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Hyacinth Plant

Q.counteract pre emergent herbicide

Zone 55337 | Adam added on April 3, 2017 | Answered

I would like to know if there is anyway to counteract or neutralize pre emergent herbicides like Preen?

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Answered on April 5, 2017

If the pre emergent has been incorporated into the soil and been ingested into the plants, there is nothing you can do.

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