Grass Out Max (Clethodim Herbicide) - Questions & Answers

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  • Asked by Danny from Indianapolis, Indiana
    08/25/2017
    Q
    What are the treatment intervals when using Grass Out Max (Clethodim Herbicide)?
    A

    When using Grass Out Max (Clethodim Herbicide) the application interval all depends on where you are applying the product. Please review page 9 of the product label.

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  • Asked by Jared from Austintown, Oh
    09/11/2017
    Q
    Is Grass Out Max safe for myrtle?
    A

    Yes, Grass Out Max is safe to apply around myrtle.

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  • Asked by Larry from Gainesville, Tx
    10/16/2017
    Q
    Will Grassout Max control Dallisgrass?
    I have several spots of Dallisgrass and Sandburrs in my buffalo grass pasture. Will Grass Out control my problem?
    A

    Grass Out Max (Clethodim Herbicide) is not labeled to control dallisgrass and would harm the buffalograss when used for sandburs since it is a grass killer.  It is not labeled for use in grass pastures and would not be recommended.

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  • Asked by Dreamgarden from Chesapeake, Va
    03/06/2018
    Q
    Can I use Grass Out Max (Clethodim Herbicide) to kill/control poa annua growing in my sodded Fescue lawn?
    If not, what product would you recommend?
    A

    Tthe Grass Out Max is specifically designed to kill any and all grasses it is sprayed on and ONLY kill grasses. This would not be a product you would want to use over a sod lawn and instead you would want to go with a product that is selective in either a pre or post emergent form. Because poa annua and and fescue are so closely related, there are few products that will kill the poa annua without also harming the fescue.  The only one we are currently aware of is called Prograss. Your other options would be to either spot-treat with a Roundup-type product and then reseed with the fescue in those areas, or you can use a preemergent like Prodiamine 65 WDG in the fall to prevent the poa from growing in the first place.

     

     

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    0 of 1 people found this answer helpful.
  • Asked by John from Flat Rock, Nc
    04/03/2018
    Q
    Will Grass Out Max (Clethodim Herbicide) kill moss?
    A

    Grass Out Max (Clethodim Herbicide) is not labeled for eradicating moss only listed grasses.We do offer Lily Miller Moss Out for Lawns.

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  • Asked by Robert from Bluffton
    04/09/2018
    Q
    Can Grass Out Max (Clethodim Herbicide) be used on centipede lawns without killing the centipede?
    A

    Grass Out Max is a grass killer that will kill the centipede. Certainty Herbcide is a selective post emergent that is labeled for a broadleaf and grassy weeds. Please refer to the product label for the weeds you are targeting and application rates

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  • Asked by Tony from Crowley, La
    08/10/2018
    Q
    if Grass Out Max can be used on Dog Fennel, what would be the ratio of Grass Out Max per gallon of water?
    A

    Grass Out Max is not labeled for dogfennel.  You could use something like Fertilome Weed Free Zone instead, at the rate of 1.5 oz - 2 oz. per gallon of water per 1,000 sq. ft.

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  • Asked by Paul from Tolland, Ct
    09/01/2018
    Q
    Will Grass Out Max affect turnip plants?
    A

    Grass Out Max  can be used around rooted turnip up to 30 days to harvest and 14 days to harvest for turnip greens. Please refer to product label for complete mixing and application instructions.

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  • Asked by Yami from Orlando
    10/02/2018
    Q
    Can Grass Out Max (Clethodim Herbicide) be used on St. Augustine grass for crabgrass?
    A

    Grass Out Max (Clethodim Herbicide) is a grass killer and will also kill your St. Augustine turf.  We would recommend a product like Blindside Herbicide. It can safely be applied to St. Augustine turf to control crabgrass and over 70 other broadleaf weeds and sedges.  

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  • Asked by Vince from Downingtown, Pa
    04/15/2019
    Q
    Does Grass Out Max kill grass?
    Will this kill grass/lawn?
    A

    Yes, Grass Out Max is specifically designed to kill any and all grasses it is sprayed on.

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  • Asked by Dale
    04/23/2019
    Q
    Will Grass Out Max kill my newly planted almond tree
    A

    Grass Out Max (Clethodim Herbicide) should only be applied as directed on established almond trees.

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  • Asked by P. from Greentown, Pa
    05/05/2019
    Q
    Besides corn, what other food crop is in the grass family & Grass Out shouldn't be used?
    A

    Do not allow Grassout to contact desirable grass crops such as corn, rice, sorghum, small grains, or turf, as these and other grass crops will be injured or killed.  The complete list of tolerable plants you can use Grass Out Max (Clethodim Herbicide) over can be found on the label

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    0 of 1 people found this answer helpful.
  • Asked by Jimmy from Southern Wisconsin
    05/16/2019
    Q
    Will Grass Out Max harm snow on the mountain?
    A

    Grass Out Max does not list  "snow on the mountain" ground cover as tolerable on the label.   We would recommend that you contact the manufacturer, Agrisel at 877-247-4735.

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  • Asked by Matthew from Oxford, Ms
    05/25/2019
    Q
    How safe and effective is Grass Out Max on controlling grass in a wildflower garden?
    As wildflowers are not ornamental as such, as compared to, say, irises and shrubs, is this product safe to spray on wildflowers?
    A

    If you are using Grass Out Max around blooming flowers, then you should not use crop oil as your surfactant. We suggest testing a small area to check for tolerance if you are spraying around plants not listed as tolerant on the product label.

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  • Asked by Mary from San Bernardino, Ca
    06/06/2019
    Q
    Is Grass Out Max safe to use on dichondra?
    A

    Grass Out Max (Clethodim Herbicide) does not list dichondra as tolerable on the product label.  We would recommend testing over a small area first to see if any injury occurs.

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  • Asked by J from Myakka City, Fl
    07/01/2019
    Q
    Will Grass Out Max kill cogon grass?
    A

    Grass Out Max does list cogon grass on the label as controlled.  There is an article here with more information that may be helpful.

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  • Asked by Stormeo from Omaha, Ne
    08/15/2019
    Q
    Does Grass Out Max kill windmill grass??
    A

    Grass Out Max (Clethodim Herbicide) does not specifiy that it can be used for windmill grass so we cannot recommend it.  Tenacity Herbicide is labeled to treat for windmill grass and may be an option for you depending on your turf type.

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  • Asked by Wendy from Inman
    08/23/2019
    Q
    How many ounces of Grass Out Max (Clethodim Herbicide) per gallon?
    A

    Rates for Grass Out Max (Clethodim Herbicide) can vary depending on what and where you are treating.  Please refer to the product label for complete information. 

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    0 of 4 people found this answer helpful.
  • Asked by Keith from Tuscaloosa Alabama
    09/05/2019
    Q
    Can I use Grass Out Max on carrots?
    A

    Yes, Grass Out Max does list carrot on the label.

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  • Asked by Travis from Des Moines, Ia
    02/03/2020
    Q
    What type of herbicide can I use for beds with ornamental grasses and knock out roses?
    A

    Grass Out Max  is a selective post-emergent herbicide used to control annual and perennial grasses.   Grass Out Max will effectively kill more than 50 different grasses. It will not effect flowers, shrubs, broadleaf crops or other broadleaf plants. Please refer to the product Label for complete application instructions. 

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Displaying 121 to 140 (of 185 questions)