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Barricade 4FL Pre-Emergent Herbicide (Prodiamine) - Questions & Answers

Learn more about Barricade 4FL Pre-Emergent Herbicide (Prodiamine)

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Barricade 4FL Pre-Emergent Herbicide (Prodiamine)
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Displaying 41 to 45 (of 45 questions)
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  • Asked by Jim from Aiken, Sc
    10/10/2021
    Q
    Does Barricade 4FL Pre-Emergent Herbicide (Prodiamine) prevent chamberbitter?
    I have a chamberbitter infestation in Bermudagrass, Sandy soil, Aiken, SC. What is best time to apply and will one treatment last in Sandy soil?
    A

    Barricade 4FL Pre-Emergent Herbicide (Prodiamine) is not labeled for pre emergent control chamberbitter. Barricade 4L can be used and sandy soil and last for the standard time frame of 3-4 months.

    View our Chamberbitter Treatment Guide for more information. 

    Pre emergents are best applied in late fall when soil temps drop to 70 degrees and then again in early spring when soil temps rise to just under 55 degrees. Please view our Lawn Care Schedule Calendar for timing recommendations or contact your Cooperative Extension Office for exact timing recommendations in your area. 

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  • Asked by Bob from Pierceton, In
    10/03/2021
    Q
    Can Prodiamine be used over clover?
    I have a new stand of red clover that I would like to keep all weeds & grass out of. Will this product work? When best to apply? How often? Application rate, etc.
    A

    Barricade 4FL Herbicide is not specifically labeled to be used around clover, so we cannot advise on this. For the best time to apply a pre emergent in your region to get the most effectiveness, we would recommend reaching out to your Master Gardener at your county extension office for a recommendation.

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  • Asked by Oscar from Nebraska
    09/14/2021
    Q
    Is Barricade 4FL effective for dandelion for fall application?
    A

    Barricade 4FL Pre-Emergent Herbicide (Prodiamine) is not labeled for prevention of dandelion. You could use Dimension 2EW or Gallery 75 DF as a pre-emergent for dandelion in the fall.

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  • Asked by Mike from Mount Pleasant, Sc
    09/12/2021
    Q
    Can Barricade 4FL Pre-Emergent Herbicide (Prodiamine) be applied to the lawn if it is older than 3 years?
    A

    There should be no issue if applied at the product label rates. The shelf life of Barricade 4FL Pre-Emergent Herbicide (Prodiamine) is 3-5 years if kept in a cool dry area. 

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  • Asked by Brian from Phoenix, Arizona
    02/01/2021
    Q
    Can Barricade 4FL be used on Rye grass/ Bermuda Grass
    A

    Yes, Barricade 4FL Herbicide is safe to be used in perennial ryegrass and bermudagrass. 

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Displaying 41 to 45 (of 45 questions)