Tenacity Herbicide - Questions & Answers

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  • Asked by Joe from Woodbridge, Va
    09/12/2019
    Q
    Will Tenacity kill lespedeza?
    A

    Tenacity Herbicide is not labeled to prevent or eradicate lespedeza. Quali-Pro MSM Turf Herbicide may be a better option.

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    4 of 4 people found this answer helpful.
  • Asked by Ed from Trumbull, Ct
    06/15/2021
    Q
    Will my dog be harmed if she eats grass treated with Tenacity Herbicide ?
    A

    Once the application of Tenacity Herbicide has had time to dry it is safe for pets and children to reenter the treated area. Typically after 4-6 hours.  The small amount of active left is not enough to injure a dog that may eat the rass.

     

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    4 of 4 people found this answer helpful.
  • Asked by Brenda from Geneseo, Kansas
    06/05/2013
    Q
    When should I apply Tenacity to newly planted Buffalograss?
    We planted Buffalograss 10 days ago and it is starting to sprout, along with some pesky weeds. Is it safe to apply Tenacity now, or should we give the Buffalograss more time to mature? If so, how much longer?
    A
    According to the Tenacity product label for New Lawn Establishment: Wait until the newly germinated turf has been mowed two times or four weeks after emergence(whichever is longer) before making a postemergence application.
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    4 of 5 people found this answer helpful.
  • Asked by Steven
    10/22/2014
    Q
    Will Tenacity Herbicide effect insects in the target area?
    A
    Tenacity Herbicide will not affect insects in the area that has been treated. It is a reduced risk herbicide. According to the manufacturer, Tenacity Herbicide should is not recommended to spray while bees are foraging.
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    4 of 9 people found this answer helpful.
  • Asked by Hugh from Lake Mary, Florida
    10/11/2015
    Q
    Is Tenacity Herbicide safe for Floratam?
    A

    Tenacity is labeled for use on St Augustine grown for sod only and would not be recommended on a home lawn. Could you tell us what you are trying to treat for and we can try to recommend a product that you can use?

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    4 of 9 people found this answer helpful.
  • Asked by Serena from Berclair, Tx
    10/13/2015
    Q
    Does Tenacity work on nut grass?
    A

    Tenacity is labeled for postemergent control of nutsedge. However, the product label does state that weed control with postemergence applications require a second application after 2 to 3 weeks. You should also make sure that you apply the Tenacity to young, actively growing weeds with a non-ionic surfactant.

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    4 of 5 people found this answer helpful.
  • Asked by Peter from Dallas, Tx
    03/30/2016
    Q
    Can Tenacity Herbicide be used to control Goosegrass on Bermuda?
    A

    Tenacity can be used on dormant bermudagrass for goosegrass. If the product is used on semi-dormant grass, it may harm the turf by turning it white. When treating for goosegrass with Tenacity, it is best used for post-emergent control. 

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    4 of 6 people found this answer helpful.
  • Asked by Tony from Indianapolis, In
    04/15/2016
    Q
    Will Tenacity Herbicide kill daffodils?
    A

    It is possible that Tenacity Herbicide will harm daffodils if sprayed. Since flowers can be considered a broadleaf weed, this product can harm it. Tenacity Herbicide is only labeled for use on listed lawns. 

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    4 of 4 people found this answer helpful.
  • Asked by Sylvia from Nashville, Tn
    09/29/2016
    Q
    How long after Tenacity application can I seed with an annual rye?
    I see instruction for perennial rye but not annual. I have decided to switch to Bermuda next year so a temporary rye lawn would be best for me this winter but I've already treated with Tenacity twice. How long until I can seed annual Rye? Or not at all?
    A

    When using Tenacity Herbicide there should be no issue with planting annual rye seed after using it. Per the product label you would want to apply either at seeding or close to it for the best performance. 

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    4 of 7 people found this answer helpful.
  • Asked by Cole from Hartford, Ct
    03/28/2017
    Q
    Can I use Tenacity in CT now?
    Here in Connecticut, can I apply Tenacity while the grass is still dormant and temps are in the 50's?
    A

    Tenacity Herbicide can be used if weeds are actively growing for post emergent control as long as the soil temperature is 55 degrees Fahrenheit. This product can also be used for pre-emergent control right now once the soil temperature reaches 55 degrees Fahrenheit. Be sure to water the product in at least 1/2 inch after a pre-emergent application to ensure the product gets down into the soil.

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    4 of 8 people found this answer helpful.
  • Asked by Terry from Islip Terrace, Ny
    05/01/2017
    Q
    Will Tenacity kill lawn fungus?
    A

    Tenacity Herbicide will not kill lawn fungus. It is a herbicide that will only eradicate listed weeds in listed turfgrass only. We do offer fungicides for the lawn. 

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    4 of 6 people found this answer helpful.
  • Asked by Brien from Cape Coral, Fl
    12/01/2017
    Q
    Can I use Tenacity to control crabgrass in Floratam?
    A

    Tenacity Herbicide is not labeled safe for use on Floratam species and is only for use on St Augustine grown for sod.  Atrazine or Blindside would be the alternative products to use.

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    4 of 6 people found this answer helpful.
  • Asked by Larry from Pine Mountain, Ga
    02/02/2018
    Q
    Does Tenacity kill poa annua?
    A

    Tenacity Herbicide is not labeled to control Poa Annua/Annual Bluegrass as a post emergent application.  The label only states that it could cause injury to it if sprayed.  It is only labeled to be used to suppress poa annua when used as a pre-emergent.

     

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    4 of 5 people found this answer helpful.
  • Asked by Dominick from Nj
    05/05/2018
    Q
    Can i use Tenacity as a pre emergent for poa annua while overseeding with tall fescue and KBG?
    A

    Per the label of Tenacity Herbicide, this product can be applied at the same time of seed, except fine fescue. It is also recommended that you mow at least two days before and/or two days after.

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    4 of 5 people found this answer helpful.
  • Asked by Matt from Greenville, Nc
    05/24/2018
    Q
    How can I kill crabgrass in Centipedegrass?
    I have centipede grass in Eastern NC and a real problem with crabgrass. I've tried atrazine but have had no luck. Trying to stay away from quinclorac as everything I read says not to use in centipede lawns. Is there anything I cant get that will kill it- post emergent. Once we get to dormancy this winter (January) I plan on putting down prodiamine to hopefully combat it from a pre emergent stance.
    A

    As you probably know, Centipedegrass is a very sensitive species of turf so many products that eliminate the crabgrass and other weeds can also cause damage to your lawn. Tenacity is a great pre- and post-emergent herbicide that will control crabgrass along with many other types of weeds without harming your centipede lawn. Make sure to read the Tenacity label very carefully and mix exactly what is recommended as this is a strong product and mis-using it can cause temporary turf injury. When applying Tenacity it is highly recommended to use a temporary turf colorant like Turf Mark Blue to allow you to see where you are spraying. Overlapping your application of Tenacity can cause temporary whitening of the lawn as well, but the color will return in 3-4 weeks at most. Please let us know if you have any other questions.

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    4 of 4 people found this answer helpful.
  • Asked by Scot from Harrisburg, Pa
    06/13/2018
    Q
    Did I just kill my garden plants by spraying them with Tenacity Herbicide?
    I have a lot of ornamental (sea) grasses, and just sprayed Tenacity over all my beds, in an effort to suppress an overgrowth of weeds. I also have seedling Crepe Myrtle bushes. Should I be worried, and is there anything that will counter-act Tenacity on a mis-sprayed plant?
    A

    Tenacity Herbicide should not be used around or on desirable ornamentals and/or trees or used within 3 feet of trees or ornamentals.  Unfortunately, there is not a product that can be used to reverse the effects of the Tenacity sprayed on intolerant plants. 

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    4 of 5 people found this answer helpful.
  • Asked by Kevin from Sc
    07/15/2018
    Q
    Does Tenacity kill nimbleweed?
    A

    Tenacity Herbicide is labeled for post-emergent control of Nimbleweed to established cool season turf. Per the product label, you may need a second application after 2 to 3 weeks. Apply to young, actively growing weeds, and be sure to use a surfactant such as Southern Ag Non-Ionic surfactant for post-emergent applications.

     

     

     

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    4 of 4 people found this answer helpful.
  • Asked by Nike from Michigan
    08/06/2018
    Q
    Will Tenacity Herbicide affect any other cool season grasses?
    I sprayed to kill bentgrass and it has worked but I believe it turned some of my other grass, like fescue white as well.
    A

    Tenacity Herbicide may cause temporary whitening of turfgrass foliage. In general, symptoms appear five to seven days after application and last for several weeks. A repeat application to the same site causes less whitening of the plant tissue.

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    4 of 4 people found this answer helpful.
  • Asked by Larry from Cowlesville, Ny
    08/09/2018
    Q
    For spot spraying crabgrass with Tenacity Herbicide, can a dye be used?
    A

     

    Tenacity Herbicide would be a great option for you to control crabgrass, and yes it is advised to use a dye like Turf Mark Blue with it so you can make sure to not overlap if you plan to do a broadcast application on the property. 

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    4 of 5 people found this answer helpful.
  • Asked by Nike from Michigan
    09/05/2018
    Q
    Can Tenacity Herbicide be used to treat bentgrass on new cool-season grasses I planted about 3 weeks ago?
    A

    You will want to wait until the newly germinated turf has been mowed two times or four weeks after emergence (whichever is longer) before making a postemergence application with Tenacity Herbicide to the new cool season turf. For the most effective Bentgrass control, you will need to reapply Tenacity Herbicide at two to three-week intervals for up to three applications. Be sure to apply with a NIS surfactant. Making applications in late summer/early fall just before new growth is very effective in controlling bentgrass. 

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    4 of 4 people found this answer helpful.
Displaying 281 to 300 (of 611 questions)