Tenacity Herbicide - Questions & Answers

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  • Asked by Rebecca from Susanville, Ca
    07/24/2020
    Q
    Will Tenacity Herbicide kill off horsetail?
    A

    Tenacity Herbicide is not labeled for horsetail. 
     

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  • Asked by Lindsay from Brampton, Ontario Canada
    08/16/2020
    Q
    Does Tenacity Herbicide kill coltsfoot?
    A

    Tenacity Herbicide is not labeled for coltsfoot. You can see the article below from Washington State where they have done studies on the plant and the recommendations for control. There do not appear to be any herbicides specifically labeled for this weed currently. 

     

    Coltsfoot Weed

    https://www.nwcb.wa.gov/weeds/european-coltsfoot

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  • Asked by Pratikkumar from Englishtown
    08/27/2020
    Q
    When should I use Tenacity as a pre-emergent in Central NJ?
    We recently ordered and used two days back as a post emergent. Need to know when should we use it as a preemergent in the spring i.e. expecting a temperature range of the day and approximate time in terms of the month/week of the month in the response.
    A

    Tenacity would be applied as a pre-emergent in spring when soil temperatures are about 55 degrees. This will vary depending on your location, so we advise to reach out to your local extension office for advise on perfect timing in your area. Keep in mind that Tenacity only last about 30 days in the soil when applied as a pre-emergent. So if you are not overseeding your turfgrass, then we recommend selecting a different product such as Barricade 4L.

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    0 of 1 people found this answer helpful.
  • Asked by Donald
    11/16/2020
    Q
    Will Tenacity kill Oxalis in St. Augustine, and if so, at what rate per gallon?
    A

    Tenacity does list oxalis on the label when used as a post-emergent, but it is not labeled to be used on St Augustine home lawns, only in commercial sod production.

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  • Asked by Jerry from Conway Sc
    02/21/2021
    Q
    Live in South Carolina, what does the temperature of the soil have to get to apply Tenacity Herbicide in the spring
    A

    Tenacity Herbicide can be used for pre-emergent control once the soil temperature in your region reaches 55 degrees Fahrenheit, and can also be used for post-emergent control if weeds are actively growing.  You can refer to our Lawn Care Schedule for Warm Season Grasses for more information on the best timing for treatments on your specific lawn type.  You may also reach out to your local cooperative extension office for timing application advice specific to your area.

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  • Asked by Jesse from Atlanta, Ga
    02/28/2021
    Q
    Can Tenacity be used to kill weeds in dormant centipede grass?
    Would be using Tenacity as a post-emergent in this scenario.
    A

    We would not recommend using this product on dormant centipede. If the Tenacity Herbicide is used on semi-dormant grass, it may harm the turf. Tenacity also does not have very good cool-weather performance as a post-emergent. If you would like to share some of the specific weeds you are targeting, then we may be able to better assist you.

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  • Asked by Matt from Rock Hill, Sc
    03/04/2021
    Q
    When applying Tenacity Herbicide as a pre emergent, will this take care of existing weeds also?
    A

    Tenacity Herbicide is labeled for pre and post emergent control for specific listed weeds. Please refer to the Weeds Controlled Table on page 9 of the product label to see if your target weeds are controlled by pre and/or post emergent applications. When appying Tenacity Herbicide for post emergent control of actively growing weeds, a Non Ionic Surfactant should be used for best results. 

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  • Asked by Sharon from Pottstown
    03/17/2021
    Q
    If wild life eats the grass or weeds after I put Tenacity down will it harm them?
    A

    Tenacity Herbicide is safe to use in a yard where pets and wildlife frequent as long as they are out of the area during the application. They can safely return after the area has dried typically after a few hours.

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    0 of 1 people found this answer helpful.
  • Asked by Keith from San Diego, Ca
    03/20/2021
    Q
    Applying prior to St Augustine sod installation I want to use Tenacity Herbicide.
    Need to spot treat my yard post emergent prior to sod installation a month away. Would like use Tenacity for this. Any concerns with using this prior to laying the sod. ?
    A

    Tenacity Herbicide should only be used on St. Augustine grass that is grown on sod farms.  It cannot be used on St. Augustine in residential lawns. 

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  • Asked by Rob from Archbald, Pa
    03/24/2021
    Q
    Is Tenacity Herbicide a permanent fix or an annual one?
    I have an acre of property and I have clover and crabgrass in different areas of the yard. I'm interested in getting rid of these annoying weeds. If I do the 2 applications starting in the spring and early summer, how often do I have to reapply these chemicals? Every year? Every 2 years? Spot treat?
    A

    Unfortunately, there is no herbicide that will get rid of weeds permanently. Tenacity Herbicide, like other herbicides, can be applied up to 3 times a year, at 2 to 3 week intervals, on a yearly basis as long as you do not go over the max annual rate per area. It does only last up to 30 days as a pre-emergent application. It may be possible to eventually see reduction of weeds but keep in mind that the elements as well as birds can eventually introduce new weed seeds into your yard.

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  • Asked by Paul from Matthews, Nc
    04/01/2021
    Q
    Can Tenacity Herbicide be used in garden beds?
    A

    No, Tenacity Herbicide should only be applied to the turf grasses listed on the product label.This product cannot be used in or around edibles. 




     

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  • Asked by Ronan
    04/03/2021
    Q
    Can I plant shrubs after spraying Tenacity?
    I plan on spraying Tenacity on my lawn this month but will be creating new flower beds and planting trees throughout the lawn later in the year. Is it ok to spray Tenacity on these areas now?
    A

    Tenacity Herbicide should not be applied to ornamental beds or areas where you intend to plant anything other than listed turfgrasses within at least 18 months, per the product label. We recommend you do not apply Tenacity where you intend to plant ornamentals or that you create raised beds or remove the soil where Tenacity may have been applied.

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  • Asked by Sam from Blue Bell, Pa
    04/03/2021
    Q
    When can I reseed tall fescue after applying Tenacity Herbicide and Speedzone Herbicide?
    A

    There is no wait time to seed when using Tenacity alone, but Speedzone Herbicide requires 2  weeks from day of the application before seeding, according to the product label.

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  • Asked by Sally
    04/04/2021
    Q
    How long after putting down Tenacity as a preemergent can I put down granular soil conditioner?
    A

    That would depend a little bit on what kind of soil conditioner you are applying and how it instructs you to use it. If its a product that needs to be incorporated into the top layer of soil or applied in any way that would disturb the Tenacity barrier, you would need to have either applied it before the Tenacity, or about 30-45 days after. Tenacity as a pre emergent only lasts about a month in the soil so after that time you could safely apply it if it requires the barrier be interrupted. If its just applied to the top of the soil and watered in, etc you can apply it within a few days of the Tenacity treatment. 

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  • Asked by Mike from Tx
    04/14/2021
    Q
    Will Tenacity kill sandburrs?
    A

    Tenacity Herbicide is not labeled for sandburs. 

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  • Asked by Timothy from Jackson, Nj
    04/14/2021
    Q
    Can Tenacity Herbicide be applied at the same time as overseeding with Tall Fescue seed in the spring? I planned on using Tenacity along with a surfactant while new tall fescue seed is down before it has germinated to stay on top of weeds.
    A

    Tenacity Herbicide is best applied at the same time as when you overseed for preemergent control of weeds.If you have already overseeded, then it is best to wait until after the 2nd mowing or 30 days (whichever is longer) to apply Tenacity with a Non Ionic Surfactant for post emergent control of weeds. 

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  • Asked by John from Taunton, Ma
    04/18/2021
    Q
    I purchased a 4 step lawn care program for my 10,000 sq ft lawn. Can you tell me what order should I apply? The first step of the program I will be applying is a 18-0-3 w/ Dimension pre-emergent control with spring fertilizer, Can or should I apply Tenacity before or after applying 18-0-3 w Dimension and should I overseed before or after?
    My lawn back yard lawn is really bad this year. I'm in Southeast Massachusetts. the ground temp now is 50
    A

    You can apply Tenacity as a pre-emergent anytime before seeding a cool-season lawn. If you are planning to overseed this spring, however, you cannot apply a product that has Dimension in it before seeding or until the new grass is well established (Dimension will prevent the turfgrass seeds from germinating). We would recommend that you aerate before applying any kind of pre-emergent so that you do not disturb your soil applications. Please review our Cool Season Lawn Care Schedule and Guide for more information. 

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  • Asked by Paul from Yorktown, Ny
    04/19/2021
    Q
    Will Tenacity Herbicide kill pachysandra?
    A

    Tenacity is only labeled for use in Kentucky Bluegrass, Centipedegrass, Buffalograss, Tall Fescue, Perennial Ryegrass, Fine Fescue, St. Augustine Grass (grown for sod only). You should not use Tenacity Herbicide on or around desirable ornamental plants or groundcovers, such as pachysandra.

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    0 of 1 people found this answer helpful.
  • Asked by Steve from Grand Rapids, Mi
    04/21/2021
    Q
    Can Tenacity Herbicide be mixed with Weed-Out?
    A

    Normally it is fine to mix two herbicides like this together.  It is always recommended to do a small jar test first just to make sure they combine well and there is no clumping or separating.  You will want to follow the label instructions for both products on tank mixing or how to do a compatibility test. 

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  • Asked by Thomas from Farmington, Mo
    04/22/2021
    Q
    Can Tenacity Herbicide be used on Zoysia turfgrass lawns?
    A

    No, Tenacity Herbicide is not labeled for zoysiagrass therefore could injure or kill the turfgrass.   

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Displaying 501 to 520 (of 659 questions)