Grass Out Max (Clethodim Herbicide) - Questions & Answers

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  • Asked by Rich from Stevensville
    05/05/2019
    Q
    Can Grass Out Max still be used even if it became frozen during winter months?
    A

    We do not recommend storing Grass Out Max or any other insecticide where there are extreme temperatures. Store products in cool, dry place for the most effective results. If it hs been frozen, we suggest getting fresh product.

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    3 of 3 people found this answer helpful.
  • Asked by Phillip from Bruce, Ms
    06/15/2012
    Q
    Will Grass Out Max harm string beans?
    A
    Since string beans are not specifically listed on the product label we checked with the manufacturer and they confirmed that Grass Out Max will not harm string beans when used as directed on the product label.
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    3 of 4 people found this answer helpful.
  • Asked by Maura from Los Angeles, Ca
    11/19/2017
    Q
    Will Grass Out Max work to remove grasses from ivy ground cover?
    We have a lot of tall grass growing up through ivy ground cover. We want to keep the ivy but kill the grass.
    A

    Yes, Grass Out Max Herbicide is safe to use in established English Ivy for control of grassy weeds. Please refer to the product label for complete application instructions.

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    3 of 5 people found this answer helpful.
  • Asked by Tracy from Il
    07/10/2017
    Q
    Can I spray Grass Out Max (Clethodim Herbicide) on Ladino Clover ?
    A

    Yes, Grass Out Max (Clethodim Herbicide) can be used over ladino clover. It will not kill the clover, only the weeds in the area.

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    3 of 4 people found this answer helpful.
  • Asked by Kevin from Alton, Va
    07/19/2019
    Q
    How long after spraying Grass Out Max can you pick vegetables for human consumption?
    A

    Per the product label for Grass Out Max :  The minimum time from application to harvest is 4 days.  Be sure to rinse well before consuming.

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    3 of 3 people found this answer helpful.
  • Asked by Doug from South Carolina
    05/27/2017
    Q
    Will Grass Out Max kill the the centipede grass, too?
    I'm trying to kill goose grass mixed in centipede.
    A

    Grass Out Max is a grass killer that will kill the centipede.  Certainty Herbicide could be used for suppression or partial control of quackgrass in centipede.

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    3 of 4 people found this answer helpful.
  • Asked by Michael from Parrish, Fl
    09/04/2018
    Q
    Can you recommend a herbicide I can spray on my bushes to kill the grasses that grow up the middle.
    A

    Grass Out Max (Clethodim Herbicide) is a good option for spraying around ornamentals and will only kill grasses.  Please refer to the product label to confirm your bushes are listed as tolerable to the product.

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    3 of 3 people found this answer helpful.
  • Asked by Walters from Lapeer Mich
    04/08/2014
    Q
    When should you apply Grass Out Max (Clethodim Herbicide) and how often
    A
    Grass Out Max (Clethodim Herbicide) is a post emergent herbicide and works best on actively growing weeds. The application interval all depends on what you are applying to. Please review page 9 of the product label.
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    3 of 6 people found this answer helpful.
  • Asked by Holly from Atlanta, Ga
    07/11/2016
    Q
    Will Grass Out kill Zoysia that is growing in Mondo Grass and Euonymous, without harming them?
    A

    Grass Out Max (Clethodim Herbicide) would not harm ground covers like Mondograss and Euonymous when used as directed on the product label.  It is not labeled to kill zoysiagrass so we cannot recommend it for this use.  Typically a glyphosate based product would be used to control it in these areas with care being taken to avoid contact with desirables.

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    3 of 6 people found this answer helpful.
  • Asked by Al from Camarillo
    01/28/2016
    Q
    Will Grass Out Max kill my rose bushes?
    Annual blue grass is invading my rose bush planters.
    A

    Grass Out Max (Clethodim Herbicide) is a great choice for killing annual blue grass (poa annua) in ornamental beds as long as the non-target plants are well established. Per the product label, be sure to use a non-ionic surfactant with at least 80% active ingredient, although crop oil surfactants are not recommended around flowers to prevent sensitivity. Please review the product label before application.  If you are only experiencing problems in planters, then you may need to examine whether weeds are coming up from the ground below them, in which case you should move and/or add a barrier under or inside the planters. Transplanting or changing the potting soil would also ensure no new growth of unwanted plants.

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    3 of 4 people found this answer helpful.
  • Asked by Nick from Louisiana
    10/25/2017
    Q
    Can Grass Out Max be used on a centipede lawn to control bermuda and torpedograss without harming the centipede?
    A

    Grass Out Max is not labeled as safe to be used on Centipede lawns nor is it labeled to target torpedograss. Bonide Grass Beater Over the Top Grass Killer, however, is labeled for use on centipedegrass and will target bermuda and torpedograss, as well as many other grass species. 

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    2 of 2 people found this answer helpful.
  • Asked by Tony from Sherwood, Arkansas
    03/27/2019
    Q
    Will Grass Out Max help control Poa Annua (Annual Bluegrass) in bermuda grass lawns?
    Our lawn is Tif Bermuda and has been doing well for about 10 years; we live in central Arkansas. However, I have noticed that Poa Annua grass is invading a section of our yard and nothing I do seems to control it. I have tried grannular pre-emergnts treatments in the fall and it keeps coming back. Thank you
    A

    Grass Out Max is a grass killer and would likely kill the bermuda along with the poa annua.  To target poa anuua in bermuda, you may want to consider using Certainty Herbicide instead as it will not harm the bermuda grass. 

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    2 of 4 people found this answer helpful.
  • Asked by Dean from Monroe City, Mo
    03/23/2021
    Q
    I have a one acre plot of Ladino clover and sweet clover for My Bee's I want to kill the fesque in th plot ,
    without harming My Bee's
    A

    The Grass Out Max is labeled for controlling Tall Fescue and would be safe sprayed over the top of broadleaf plants such as clover. While the product is not an insecticide, it would be recommended to avoid spraying when bees are active or foraging, such as very early in the morning or very late at night.  We would also recommend not applying when clover is in bloom as this is when they would be most active.

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    2 of 2 people found this answer helpful.
  • Asked by Kevin from Alton, Va
    05/04/2021
    Q
    Will Grass Out Max (Clethodim Herbicide) kill onion or beet if sprayed on them?
    A

    No, Grass Out Max (Clethodim Herbicide) is meant to control annual or perennial grasses that may grow in or around onion and beet crops. 

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    2 of 3 people found this answer helpful.
  • Asked by Joe from Peru, Il
    07/07/2020
    Q
    Is Grass Out Max safe for hostas and day lily?
    A

    Grass Out Max is a selective post-emergent herbicide used to control annual and perennial grasses. It is labeled for most landscape, home and garden, ornamental, agricultural and non-crop uses. The unique feature of Grass Out Max is that it will ONLY kill grasses and NOT affect flowers, shrubs, broadleaf crops or other broadleaf plants.  Yes, it is safe to use in hostas and day lily plants.
     

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    2 of 4 people found this answer helpful.
  • Asked by Laurie from Kalamazoo Mi
    05/11/2021
    Q
    How pet safe is Grass out?
    I mixed Grass Out at recommended rate of 0.5 oz per gallon, with about 2 tsp of surfactant (Hy Yield spreader sticker). Then discovered I only had a half gallon sprayer! I let dogs out a couple hours later and they immediately wanted to eat the grass I sprayed!!!
    A

    Grass Out Max (Clethodim Herbicide) is safe to use around animals if applied according to the instructions on the product label.  Animals must be kept out of the treated area during application and until everything is dry. 

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    2 of 2 people found this answer helpful.
  • Asked by Sean from Wi
    08/14/2019
    Q
    Will Grass Out Max kill honey bees?
    A

    GrassOut Max  should be applied where and when the bees are not foraging. 

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    2 of 3 people found this answer helpful.
  • Asked by Jill from Knoxville Tennessee
    09/23/2021
    Q
    What temperature is best for spraying Grass Out Max?
    When is it too cold to spray or to have it work, even at night?
    A

    When using Grass Out Max (Clethodim Herbicide) label states that it will be most effective if applied at higher than 47 degrees but not exceeding 80 degrees or crop injury may occur.  Best to apply during the day so the application has enough time to dry before night fall.

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    2 of 2 people found this answer helpful.
  • Asked by Jesse from Ontario, Ca
    02/15/2020
    Q
    How long do I need to wait to overseed lawn sprayed with Clethodim and Glyphosate?
    A

    Grass Out Max (Clethodim Herbicide) is not labeled to be used in home lawns so we would not recommend using it there nor are there directions for this use.  With glyphosate based products you can reseed after 2 weeks from the last application.

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    2 of 5 people found this answer helpful.
  • Asked by David from Tampa, Fl
    01/03/2017
    Q
    If we use Grass Out Max to eliminate zoysia grass in our jasmine beds, will this harm the good zoysia in the lawn ?
    A

    Grass Out Max is safe to use in jasmine ground cover and will kill grassy weeds. It will not kill your zoysia grass in the lawn unless you spray it directly.

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    2 of 7 people found this answer helpful.
Displaying 61 to 80 (of 185 questions)