Tenacity Herbicide - Questions & Answers

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  • Asked by Summer from Vancouver Wa
    06/20/2021
    Q
    How long do I need to wait after spraying Tenacity Herbicide to put some micro clover in my lawn?
    A

    Tenacity Herbicide can last in the soil up to 30 days if used as a broadcast pre emergent treatment, so you would need to wait at least 30 days after an application before putting in any new seeds. 

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  • Asked by Hiep from Kent, Wa
    07/17/2021
    Q
    Can you spray tenacity over dead grass
    Haven't watered the grass. Grass is dead. The summer heat has killed my lawn. I have annul bluegrass in with the dead grass. Will this help with killing the annul bluegrass if I spray tenacity over the dead grass?
    A
    Tenacity Herbicide will not control annual bluegrass so whether the lawn was currently alive or dead wouldn't make a difference in this case. If the lawn is already dead, you can spot spray the annual bluegrass with roundup. Typically, annual bluegrass cannot withstand high heat temps, so if the heat this summer has been high enough to kill or heavily damage your lawn, it should have also done the same to the annual bluegrass. If you plan to reseed your lawn this fall, then you can try using the Tenacity as a pre emergent during seeding, however it is only labeled for poa annua suppression when used as a pre, and there are other herbicides that would be better suited to preventing it from coming back. However the herbicides that do this the most effectively are also ones that would prevent your new grass from coming up, so you could not seed and use a better suited pre for poa annua in the same season. 


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  • Asked by Kurt from Swansboro, Nc
    07/27/2021
    Q
    Tenacity for crabgrass in a very thick Centipede grass lawn.
    I've got patches of crabgrass in a thick Centipede lawn. Can I spray Tenacity on it mid-summer even if it's down deep in the centipede?
    A

    Tenacity Herbicide can be applied in the summer and works best on crabgrass that has just emerged up to the 4 tiller stage.  Keep in mind that the best temperature range to apply most herbicides, including Tenacity, is between 65-85 degrees. We recommend early morning or late evening applications to avoid damage to your lawn.

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    1 of 1 people found this answer helpful.
  • Asked by Nelson from Fl
    10/20/2022
    Q
    Can Tenacity Herbicide be applied as a spot treatment on residential St Augustine turf?
    A

    Tenacity Herbicide cannot be used on home lawns that have St Augustine. It is only for use on St Augustine in sod farms.

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  • Asked by Neville
    01/21/2023
    Q
    Application of Tenacity Herbicide after pre germinated grass seed.
    If I pre germinate my rye grass seed & plant them when roots are just starting to form, can I apply Tenacity at the same time or would I need to apply Tenacity before I plant them?
    A

    Tenacity Herbicide is best applied 2 weeks before planting/seeding a lawn or wait at least 2-3 weeks after seeding to apply.  When pre-germinating and planting in the area we would recommend waiting at least 4 weeks to apply so it is established.

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  • Asked by Ron from Brookeville, Maryland
    06/11/2013
    Q
    Will Tenacity kill Annual Jewgrass?
    A
    Tenacity Herbicide is not specificaly labeled for jewgrass. Some say that Sethoxydim active ingredient will treat jewgrass. Please contact your local cooperative extension office and speak with the Master Gardener for advice on what is working in your area.
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    1 of 5 people found this answer helpful.
  • Asked by Sylvia from Belleville, Illinois
    10/30/2013
    Q
    Best times to apply Tenacity for zone 6b
    I want to use Tenacity for Nimblewill as a broadband post emergent now and later as a pre emergent to control re-infestation. Right now it is brown/tan in color in my lawn. Is it too late in the growing season to use it now?
    A

    Broadcast treatments would be recommended if you are needing to actually treat the entire lawn for pre-emergence, if you are only needing to treat small areas or use as a post emergent then you can spot treat. Consult your local Cooperative Extension Service for more specific applications timings for your local area. Their contact information can be found by clicking the link below.

    http://www.ahs.org/gardening-resources/master-gardeners

    http://www.csrees.usda.gov/index.html

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    1 of 5 people found this answer helpful.
  • Asked by Francis from Columbus, In
    07/19/2014
    Q
    What is the prefered PH? Also, the tank mixed 1/2 life?
    A

    There are certain products that are susceptible to problems with high pH balances in water. If a product label does not specifically address this issue it is because this particular product does not usually have any issues with pH.  The product label for Tenacity does not list anything regarding pH levels.

    Once mixed with water you should use the product within 24 hours.

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    1 of 1 people found this answer helpful.
  • Asked by Grant from Groton, Sd
    08/11/2014
    Q
    Will Tenacity kill seedling trees?
    I have a newly planted tree grove (last year) and there are many growing broadeaf weeds that are taking over.
    A
    Tenacity Herbicide is not labeled for trees so spraying around the trees could possibly harm them. We would recommend contacting the manufacturer directly for instructions on spraying around new trees. Here is the number: 866-796-4368.
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    1 of 6 people found this answer helpful.
  • Asked by Leo from Narragansett,ri
    09/04/2014
    Q
    What effect does Tenacity have on Barletta pear trees
    A
    Tenacity Herbicide if applied on a windy day could harm/ discolor the bark. We would recommend to spot treat using Roundup Quik pro.
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  • Asked by Brenda from Port Hope, Mi
    09/04/2014
    Q
    What product do you recommend to kill Creeping Charlie in our lawn?
    I do want a product that is not harmful to our lawn grass. Thank you
    A
    Tenacity is labled to control Ground Ivy "Creeping Charlie" as post emergent control. We highly recommend using a temporary turf colorant like Turf Mark Blue so that you can see where you spray with the Tenacity to avoid overlapping. Tenacity is a great product, but also a very strong product so too much overlapping or mixing the product too strong can cause temporary damage and whitening to your turf around the ground ivy. The color will come back in the lawn after 3-4 weeks but to avoid this potential problem it is best to use a colorant to make sure no overlap occurs. To get optimum results for post emergent control it is recommended you use a Non Ionic Surfactant in your mixture as well. Please be sure to find out what type of turf you have and review the product label to make sure your turf is tolerant to this product.
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    1 of 3 people found this answer helpful.
  • Asked by Joan from Cedar Rapids, Ia
    03/15/2016
    Q
    Is Tenacity safe for use in apple orchards in early spring?
    I have nimblewill weed in my orchard and would like to eliminate it
    A

    Tenacity is not labeled for use around anything edible so we cannot recommend it be used in an orchard.  We apologize but we do not currently have a product labeled for control of nimblewill in orchards.  However, you can click here and contact your local cooperative extension office to speak with a Master Gardner to find the name of a product and then contact us to see if we have access to that product.

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  • Asked by Paul from Newfield, Nj
    04/27/2016
    Q
    Is Tenacity safe to use on ryegrass?
    A

    Tenacity Herbicide is labeled to be applied and safe for Perennial Ryegrass.

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    1 of 1 people found this answer helpful.
  • Asked by Greg from Meade
    05/18/2016
    Q
    Will Tenacity work on Pascopyrum smithii (Rydb.) western wheatgrass?
    I saw on label that it is OK?.... on Buffalo Grass
    A

    While Tenacity is labeled to be used on Buffalograss it is not labeled to control wheatgrass.  We are not able to find anything that is labeled to do so.  The best thing to do for this issue is to spot treat with a glyphosate based product like GlyPhoSel Pro and reseed/sod the treated area.

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  • Asked by Vern from Kearney,ne.
    07/10/2016
    Q
    Can I use my hand held weed wiper with Tenacity in it?
    A

    We are not sure if Tenacity Herbicide can be applied with your handheld weed wiper. If you can apply the labeled amount over 1000 square feet with water, we do not see an issue. It would be best to also consult with the manufacturer of your Weed Wiper. 

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  • Asked by Paul from Deer Park, Ny
    04/24/2017
    Q
    I applied Tenacity 3 weeks ago. Can I now apply Weed-Be-Gone?
    Some spots need more herbicide: Clover, Dallisgrass. Do the different herbicides react badly together?
    A

    We see no reason why you cannot apply Weed Be Gone now.  It has been 3 weeks after Tenacity Herbicide, which is plenty of time. Please take a look at the Tenacity product label to be sure that it is safe to apply to your particular grass species. 

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  • Asked by Chris from Nashville, Tn
    05/06/2017
    Q
    Can Tenacity Herbicide be applied in a Bermuda/Fescue mix lawn? Will it hurt my Bermuda?
    A

    Tenacity Herbicide will harm Bermuda lawns. Please contact us at 866-581-7378 M-F 9-5PM EST for an alternative product selection that will best fit your needs. Thank you!

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    1 of 1 people found this answer helpful.
  • Asked by Matt from Charlotte, Nc
    08/01/2017
    Q
    How do I eliminate Nimblewill in St. Augustine?
    I am trying to find out the best and most reasonably priced way to get rid of nimblewill that has started popping up. I know st Augustine is very sensitive and I have already bought blideside to control most of my broad weeds, but it doesn't seem to work on nimblewill. I know tenacity will work but again its on the more expensive side. I was seeing if there was another option you could recommend. I live in Charlotte NC.
    A

    Tenacity is labeled for post-emergent control of Nimblewill. 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.  Your other option would be to use a non-selective herbicide such as Roundup to spot treat the Nimblewill to kill it directly, and then replant St. Augustine in those areas.

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  • Asked by Aimee from Grand Rapids
    08/14/2017
    Q
    Will Tenacity Herbicide kill evergreens if used on the surrounding grass?
    A

    The product label for Tenacity Herbicide recommends that you avoid applications over the top of any exposed roots of trees and ornamentals. We would recommend keeping Tenacity outside the dripline of desirable trees for safety.

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  • Asked by Grant from St. Libory, Ne
    08/29/2017
    Q
    Will Tenacity kill white pine trees?
    A

    Tenacity Herbicide is not labeled for trees so spraying around the trees could possibly harm them. 

     

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Displaying 421 to 440 (of 595 questions)