Grass Out Max (Clethodim Herbicide) - Questions & Answers

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  • 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 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 Justin from Olpe
    04/17/2019
    Q
    Can Grass Out Max (Clethodim Herbicide) be used on clover food plots without killing the clover?
    A

    Grass Out Max would not harm clover but it is currently only labelled for use on clover when used in the states of Idaho, Oregon, and Washington.  Arrest Max contains the same active ingredient but does not have any state restrictions for clover.  

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    3 of 3 people found this answer helpful.
  • Asked by Shawn from Wi
    06/27/2018
    Q
    Can Grass Out kill all grassy weeds in my lawn EXCEPT Kentucky Blue Grass?
    My lawn is full of grassy weeds, annual bluegrass, foxtail, Quack grass, etc. If I wanted to broadcast apply something to my entire lawn, kill everything undesirable leaving only the Kentucky Bluegrass in-tact, is this the product I'm looking for?
    A

    Grass Out Max is a non selective grass killer, meaning it will kill your KGB as well.  A better option would be use Q4 for everything but the quackgrass and the poa annua. Unfortunately there is not an herbicide that would kill the quackgrass nor poa annua without damage cool season turf, such as Kentucky Bluegrass. If only a small area of the lawn is affected by the outbreak, spray only the affected area with RoundUp Quick Pro. If the problem amounts to no more than a few spears of quackgrass in an area of your lawn, paint the individual spears with diluted RoundUp QuickPro. Becareful to avoid getting the product on desirable grass. If most of the lawn has been affected by quackgrass, the only sure fire way to get rid of it is to spray the entire lawn with Roundup. Spray when the lawn is growing actively, preferably in the spring. The treatment will kill the lawn grass as well as the quackgrass. After about two weeks, you may begin the replanting.

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    3 of 5 people found this answer helpful.
  • Asked by Ronnie from Clinton, Al
    06/04/2018
    Q
    Can Grass Out Max be used around watermelon and cantaloupes?
    A

    Yes, Grass Out Max is labeled for use around watermelon and cantaloupes.  Please see the product label for complete application instructions. 

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    3 of 4 people found this answer helpful.
  • Asked by Jackie from Los Angeles,ca
    03/25/2018
    Q
    Can Grass Out Max (Clethodim Herbicide) be used on a Fescue lawn for treating annual bluegrass invasion?
    A

    ? 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 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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    3 of 3 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 7 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 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 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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    3 of 4 people found this answer helpful.
  • Asked by Meghan from Sandy, Ut
    05/11/2018
    Q
    Is Grass Out Max (Clethodim Herbicide) effective against Kentucky Bluegrass spreading into my beds?
    A

    Grass Out Max (Clethodim Herbicide) does not list that it will control Kentucky Bluegrass only annual bluegrass.  A better option would be a glyphosate based product like GlyPhoSel Pro taking care to avoid any spray/drift to desirables.

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    3 of 4 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 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 Jeff
    03/01/2023
    Q
    Can I mix Grass out max with Butyrac 200? If so at what rate?
    I want to mix grass out max and butyrac 200 to use on my clover and soybean food plot for deer. Can I mix the 2, or do I need to spray separately? What would be the mix rate if I can, or if I can not how long should I wait between spraying? Also does temperature have an effect on either?
    A

    You could potentially mix Grass Out Max (Clethodim Herbicide) and another herbicide, however due to the number of restrictions, it is generally easier and more effective to apply such products separately. The Grass Out Max product label indicates that tank mixes of Grass Out Max and broadleaf herbicides may result in reduced grass control. If grass regrowth occurs, an additional application may be necessary. 
     
    Grass Out Max is for use on clover grown in Idaho, Oregon, and Washington only, and at rates of 6 - 16 oz per Acre in those states.
     
    Regarding temperatures, post-emergent herbicides will be most effective when the target weeds are young and actively growing.
     
    Always be sure to review both product labels completely and follow the more restrictive label regarding application site, grazing restrictions, pre-harvest intervals, rates, etc.

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    2 of 2 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 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 Daniel from Atlanta, Ga
    05/16/2018
    Q
    Can I use Grass Out Max to kill poa annua in my bermuda grass?
    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 3 people found this answer helpful.
  • Asked by Randy from Telluride, Co
    06/21/2019
    Q
    Can I use Grass Out Max to kill grass in a wildflower garden?
    A

    Yes.  You will need to use 0.2-0.4 fl oz of Grass Out per 1,000 sq ft area to treat actively growin grasses in flower beds. Like most other herbicides the exact amount of water you use is not important, it is just important to make sure you get the specified amount of product over a 1,000 sq ft area. For ease of mixing/measuring you can add the specified amount of product to 1 gallon of water to apply to a 1,000 sq ft area.

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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.
Displaying 61 to 80 (of 185 questions)