Cornerstone 5 Plus Herbicide - Questions & Answers

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  • Asked by Darrell from Minden, Iowa
    06/23/2020
    Q
    When and how should I apply Cornerstone 5 Plus Herbicide?
    A

    Cornerstone 5 Plus Herbicide is a non-selective herbicide, so it's applied when weeds are actively growing. Depending on how difficult/established the weeds are, you can use it at a rate of 0.6 oz to 13 oz per gallon of water.

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  • Asked by Betty from Madison
    09/08/2020
    Q
    How do I open Cornerstone 5 Plus Herbicide?
    I cannot get it open
    A

    Cornerstone has a screw off cap. It may take a bit more strength to unscrew the carp if it was overtightened. 

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  • Asked by Daryl from Hutchinson
    05/26/2021
    Q
    Can Cornerstone 5 Plus Herbicide be used on buffalo grass and fescue without killing it?
    A

    Cornerstone 5 Plus Herbicide is a non selective product meaning it will kill whatever it is sprayed on, so no we would not use this product on the lawn unless you plan to reseed those areas.

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  • Asked by Greg from Glenwood, Ar
    05/31/2021
    Q
    How do you mix Cornerstone 5 Plus Herbicide?
    What is a concentrate to water ratio
    A

    Cornerstone 5 Plus Herbicide rates vary depending on the target pest and growth level.  Complete information is on the product label.

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    0 of 2 people found this answer helpful.
Displaying 1 to 4 (of 4 questions)