Tenacity Herbicide - Questions & Answers

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  • Asked by Collin from Provo, Ut
    03/14/2018
    Q
    How should I use Tenacity if I seeded in Fall, got weeds, and need to reseed?
    Last fall I seeded with a Bluegrass/Tall Fescue mix, but got lots of weeds in many areas. It's now spring and I'd like to kill the weeds and lay more seed to fill in. Should I scatter seed and then apply Tenacity? Can I apply it once when I seed and once a few weeks later or would that stress the new grass too much? Should I apply it once, wait a few weeks and plant grass with the second application? Thanks for your help.
    A

    When using Tenacity Herbicide as a pre-emergent and seeding, you can apply Tenacity before or at the time of seeding for best results as long as you are planting a turfgrass that is listed as tolerant on the product label (Kentucky bluegrass and tall fescue are tolerant). The key time to avoid spraying Tenacity on new seedings, either as a pre-emergent or a post-emergent, would be when the new seedlings have started to come up but are not yet established. Once you see new seedlings, you would want to wait at least four weeks or until the new grass has been mowed twice, whichever is longer. Please refer to page 12 of the label for complete application instructions around seeding.

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    19 of 19 people found this answer helpful.
  • Asked by Emma from Jamestown
    09/06/2019
    Q
    After you apply Tenacity and the weeds turn from white to brown, do you dig up the dead weeds?
    A

    You do not have to remove dead plant matter after using Tenacity Herbicide, however if you plan to overseed, then it is a good idea to rake out dead plants since you may need to dethatch or aerate before putting down your new seed.

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    19 of 20 people found this answer helpful.
  • Asked by Eddy from Woodbrdge, Va
    09/14/2019
    Q
    Can Tenacity be mixed with Prodiamine in the same spray tank?
    A

    Yes, Tenacity can be mixed with Prodiamine per the instructions on the label.  

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    19 of 19 people found this answer helpful.
  • Asked by Brian from Louisville Kentucky
    04/12/2019
    Q
    Can you use Tenacity Herbicide around/in flower beds and ornamentals like Liriope?
    A

    We would not recommend Tenacity Herbicide be applied to flower beds and ornamental plants. According to the product label: “Avoid over-spray or drift of spray applications onto ornamentals or flower beds and gardens. Roses and daylilies are sensitive plant species. Avoid applications over the top of exposed roots of trees and ornamentals." A product that can safely be applied to Liriope, landscaped areas, over the top of ornamentals is Fusilade II Herbicide.  

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    18 of 20 people found this answer helpful.
  • Asked by Thomas from Cut Off, La.
    03/10/2014
    Q
    Will Tenacity work on Dallisgrass?
    A
    Per the product label, dallisgrass is sensitive to Tenacity. You should avoid spraying these turf areas. Please let us know if you are trying to get rid of dallisgrass or you are wanting to treat other weeds in dallisgrass. We would be happy to select a product that will fit your specific needs. For free expert advice, please call us at toll-free 866.581.7378 M-F 9-5PM EST.
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    18 of 50 people found this answer helpful.
  • Asked by Stephen from Hyde Park, Ny
    10/11/2018
    Q
    Can Tenacity be applied in the morning with dew still on the lawn?
    A

    Yes, Tenacity Herbicide can be applied with morning dew on the lawn. Morning dew will not lessen the effects of Tenacity. In some circumstances, a more moist soil will make for better root uptake. You are safe to make the Tenacity application in the cooler times of the day when temps are below 85 degrees.

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    18 of 18 people found this answer helpful.
  • Asked by Josh from Trumbull, Ct
    08/21/2017
    Q
    How soon is it safe for kids to play in the yard after spot spraying some areas with Tenacity?
    A

    Children can return to the yard as soon as all areas where Tenacity Herbicide was applied have fully dried. 

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    18 of 19 people found this answer helpful.
  • Asked by Tim from Ny
    09/01/2018
    Q
    How long do I need to wait before watering after application of Tenacity Herbicide?
    A

    For best results, wait 48 hours to water after applying Tenacity Herbicide.

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    18 of 19 people found this answer helpful.
  • Asked by Bob from Fairborn, Oh
    04/29/2016
    Q
    When can I apply Weed and Feed after using Tenacity Herbicide?
    applied 4/1/16 and 4/18 /16
    A

    We would recommend waiting at least four weeks to apply a Weed and Feed after using Tenacity Herbicide

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    18 of 18 people found this answer helpful.
  • Asked by Matt from Fairfield, Ct
    08/13/2018
    Q
    Are there any temperature restrictions on when you can apply Tenacity Herbicide?
    A

    Tenacity Herbicide may be applied when soil temperatures are around 55 degrees or higher.  Do not apply when air temperature exceeds 85 degrees. 

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    18 of 19 people found this answer helpful.
  • Asked by Jerry from Flindlay, Oh
    09/05/2015
    Q
    Can Tenacity be mixed with simple soap?
    A

    We recommend that you mix Tenacity Herbicide with a non-ionic surfactant for the most effectiveness.

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    17 of 21 people found this answer helpful.
  • Asked by Roger from Converse, In
    06/19/2018
    Q
    Is there a shelf life for Tenacity Herbicide after mixed with water?
    A

    Tenacity Herbicide should be used within 24 hours of mixing with water.

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    17 of 18 people found this answer helpful.
  • Asked by Leslie from Gaithersburg, Md
    04/22/2017
    Q
    I have applied Tenacity 14 days ago for nimbleweed. The areas are white now.
    Can I put seed down in the areas where the nimblewill is dying now? Do I need to remove it first?
    A

    Per the label of Tenacity Herbicide, the lawn can be reseeded at any time unless the grass type is fine fescue. You will not need to remove the dead weeds from the area first.
     

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    17 of 18 people found this answer helpful.
  • Asked by Justin from North Ridgeville, Oh
    07/28/2019
    Q
    Will morning dew activate Tenacity when applied as a post emergent?
    I read that Tenacity needs .15” of rain to activate within 10 days of activation. We aren't expected to get any rain within that time but we have had morning dew every day since my application. Do I need to water my lawn anyway?
    A

    When using Tenacity Herbicide as a post emergent, it should not be watered in.  It should be applied when there is no rain in the forecast for 24 hours after application.  

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    17 of 17 people found this answer helpful.
  • Asked by Nick from Stratford, Ct
    08/21/2019
    Q
    Is Tenacity safe to use on lawns that toddlers and pet play on?
    And if so, how long should they stay off the lawn?
    A

    Tenacity Herbicide is safe to use in a yard where pets and children will frequent as long as they are out of the area during the application. They can safely return after the area has dried, typically at least 4-6 hours after application.

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    16 of 17 people found this answer helpful.
  • Asked by Nick from Wv
    03/23/2016
    Q
    Is it safe to apply fertilizer as well when spraying Tenacity?
    A

    Yes, you can use Tenacity Herbicide at the same time as a fertilizer either as a pre or a post emergent provided you use both at the correct usage rates per the labels.

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    16 of 16 people found this answer helpful.
  • Asked by Robert from Orlando, Fl
    05/14/2018
    Q
    Is Tenacity Herbicide a good choice crab grass control in Centipede grass?
    I live near Orlando, FL and have centipede grass. What is a good product that I can use for general weed control? I have several areas with weeds, but not all over the entire yard. I'd like something I can put in a pump sprayer. I know one of the weeds I have is crabgrass, but not sure what the other ones are.
    A

     

    Tenacity Herbicide? would be a great option for you to control crabgrass, along with many other common weeds, without harming your Centipede lawn.  Tenacity needs to be tank mixed with a non ionic surfactant? or the best results and stick to the leaf surface of the weeds, and its 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. According to the Tenacity product label you will need to mix 1/2 tsp of product + 1 1/2 tsp surfactant with 1 gallon of water for spot treatments. After spraying with Tenacity Herbicide, the foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll), and death may take up to three weeks. A repeat application is required after two to three weeks for improved postemergence weed control. 

    <body id="cke_pastebin" >

    Tenacity Herbicide? would be a great option for you to control crabgrass without harming your Centipede lawn.  Tenacity needs to be tank mixed with a non ionic surfactant? or the best results and stick to the leaf surface of the weeds, and its 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. According to the Tenacity product label you will need to mix 1/2 tsp of product + 1 1/2 tsp surfactant with 1 gallon of water for spot treatments. After spraying with Tenacity Herbicide, the foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll), and death may take up to three weeks. A repeat application is required after two to three weeks for improved postemergence weed control. 

     

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    16 of 17 people found this answer helpful.
  • Asked by Dennis from Avon, Ma
    04/16/2016
    Q
    Can I spray Tenacity when I seed with Jonathon Green Black Beauty Ultra?
    A

    Yes, Tenacity Herbicide can be used at the time of seeding when using Jonathon Green Black Beauty Ultra. 

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    16 of 17 people found this answer helpful.
  • Asked by George from Chicago, Il
    05/31/2019
    Q
    Can I apply Tenacity Herbicide on a sunny day for postemergence control? Are there any temperature restrictions on when you can apply Tenacity Herbicide?
    A

    Tenacity Herbicide may be applied when soil temperatures are around 55 degrees or higher.  Do not apply when air temperature exceeds 85 degrees. 

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    16 of 16 people found this answer helpful.
  • Asked by Robert from South Dennis, Ma
    09/12/2015
    Q
    Dates for pre emergent application of Tenacity?
    When is it best begin pre emergence application of Tenacity, I plan on 3 applications app 2-3 weeks apart. Is it best to wait for temperature or apply on a specific date. I live on Cape Cod in Eastern Massachusetts
    A

    Pre-Emergents typically should be applied in the spring before ground temperatures reach 55 degrees and again in late summer/early fall. For more specific recommendations based on the current climate of your region we would recommend contacting your loacal Master Gardener. Please click on the link below and select the region in which you reside to find the contact information for your local Cooperative Extension Program office.

     

    http://ag.umass.edu/umass-extension-your-community

     

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    16 of 17 people found this answer helpful.
Displaying 101 to 120 (of 611 questions)