Grass Out Max (Clethodim Herbicide) - Questions & Answers

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  • Asked by Cole from Wolcott, Ny
    08/25/2017
    Q
    How much Grass Out Max do you mix in 1 gallon water? Does .4 mean 4 ounces?
    A

    You will need to use 0.2-0.4 fl oz of Grass Out per 1,000 sq ft area.  0.4 f oz is less than 1/2 oz, so not 4 ounces. 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.

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    5 of 10 people found this answer helpful.
  • Asked by Matthew from New Baltimore Mi.
    07/08/2019
    Q
    Can Grass Out Max (Clethodim Herbicide) be used on chicory?
    A

    Grass Out Max (Clethodim Herbicide) does list chicory on the product label as tolerable when used as directed on the label for targeted grassy weeds.

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    4 of 4 people found this answer helpful.
  • Asked by David from Cape Coral, Fl, 33909
    05/21/2014
    Q
    What type of herbicide is beset for Johnsongrass?
    It is around all of the bushes around the house on 2 1/2 acres coming up through medium sized river rock.
    A
    Grassout Max is labeled to control Johnsongrass and will not harm any ornamentals or bushes that you spray it over. According to the product label you will want to use between 12-24 oz per acre. If you use the highest dilution ratio which is often needed for something as hard to control as johnsongrass, you would use roughly 0.54 ounces per 1000 sq/ft feet in no less than 2 gallons of water to get sufficient coverage through the rocks to the roots in the soil below.
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    4 of 5 people found this answer helpful.
  • Asked by Kirk from Prairie Du Chien
    02/05/2019
    Q
    Can I use Grass Out Max on a woodland tree planting to kill the grass around trees like oak, walnut, and maple?
    When is the best time? At green-up?
    A

    Yes, you can use Grass Out Max to control invasive grasses around your Walnut, maple, and Oak trees.  The best time to apply is when the grass is young and actively growing.  

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    4 of 5 people found this answer helpful.
  • Asked by Olli from Fulshear, Tx
    04/19/2017
    Q
    Will Grass Out Max (Clethodim Herbicide) kill nut grass/nut sedge around a newly planted tree?
    A

    Grass Out Max (Clethodim Herbicide) will NOT control sedges. Sedgehammer would be a better choice to apply around a newly planted tree. Be sure to apply on a less windy day since Sedgehammer may damage desirable shrubs and ornamental plants.

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    4 of 5 people found this answer helpful.
  • Asked by Terry from Perrysburg, Ny
    05/15/2017
    Q
    Is a surfactant recommended for use with Grass Out Max?
    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 including strawberries. Please refer to the product label for complete usage instructions for your application. The manufacturer does recommend adding a surfactant for better results. 

    If you are using Non Ionic Surfactant you would mix 2 tsp per surfactant with approx. .4 oz Grass out in one gallon water over 1000 sq feet. Please let us know if you have any more questions.

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    4 of 6 people found this answer helpful.
  • Asked by Jeremy from Ferdinand
    07/03/2017
    Q
    Will Grass Out Max be safe to use in my food?
    I planted a mix of clover, chicory and alfalfa in my food plots.
    A

    Grass Out Max (Clethodim Herbicide) is tolerable over clover, alfalfa and chicory to kill grassy weeds when used as directed on the product label.

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    4 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 John from North Little Rock
    03/14/2021
    Q
    Is Grass Out used for warm weather or cool weather? What is the temperature range?
    A

    Grass Out Max will work best when plants are young, but actively growing. You can make applications usually starting around 60 degrees when the plants first start growing and continue to make applications until temps reach about 85 degrees but no higher or you can cause damage to desirable growth. 

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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 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 Barbara from Walworth, Ny
    04/24/2019
    Q
    I have grass overtaking my berms of blue rug junipers. Will Grass Out Max harm my junipers?
    A

    Grass Out Max will not harm juniper when used as directed on the product label.

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    3 of 4 people found this answer helpful.
  • Asked by Jesse from Ontario, Ca
    04/01/2019
    Q
    Can I use Grass Out to kill fescue growing in my bougainvilleas and rose bushes?
    A

    Yes!  Grass Out Max (Clethodim Herbicide) is designed specifically for killilng grassy weeds including fescue in ornamental areas without harming desirable shrubs and roses.

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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 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 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 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 Peggy from California
    10/27/2017
    Q
    Can Grass Out Max be used to control bermuda grass in flower beds?
    A

    Yes, Grass Out Max can be used to control bermuda grass in flower beds. 

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    3 of 4 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 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.
Displaying 41 to 60 (of 158 questions)