Q4 Plus Turf Herbicide - Questions & Answers

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  • Asked by Chris from Mountain Home, Ar
    02/01/2017
    Q
    What liquid fertilizer can I add to Q4 Plus Turf Herbicide?
    I live in Arkansas(the northern transition area for grasses) and need to know what liquid fertilizer i can mix with Q4 so that I could possibly do an application in one spraying instead of two.
    A

    CoRon 18-3-6 Plus 0.5% Fe that can be used with Q4 Plus Turf Herbicide. These two products can be mixed together and applied at the same time. Be sure to do a small tank mix test first to ensure there is no clumping between the two products.

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    5 of 6 people found this answer helpful.
  • Asked by Ray from Pennsylvania
    08/25/2018
    Q
    Can I apply Q4 and fertilizer at the same time?
    A

    Yes, Q4 Plus Turf Herbicide can be applied at the same time as a fertilizer. As always be sure you are applying these products during the cooler times of the day when temps are below 85 degrees. 

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    4 of 4 people found this answer helpful.
  • Asked by King from Va
    09/20/2017
    Q
    How many days after applying Q4 Plus Turf Herbicide can I lime my grass?
    I have tall fescue and am living in VA
    A

    Q4 Plus Turf Herbicide has no restriction for when you can lime after application.

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    4 of 4 people found this answer helpful.
  • Asked by Stan from Rogersville Al
    01/28/2020
    Q
    Will Q4 Plus kill poa annua weeds?
    A

    Q4 Plus Turf Herbicide is labeled as safe for Poa Annua, so it will not kill it. We would recommend to use Certainty.  Be sure it’s safe on your desirable turf.

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    4 of 4 people found this answer helpful.
  • Asked by Bruce from Crozet, Va
    09/14/2016
    Q
    What is the shelf life of Q4 Plus Turf Herbicide in a garage?
    I made the mistake of storing Q4 in the garage. It is not effective this year as a result. Do I need to toss the remainder in the bottle or mix the solution with more product?
    A

    Q4 Plus Turf Herbicide should be stored in a cool dry place and not exposed to extreme temperatures, i.e. above 90 and below freezing.  If it was stored in less than optimal conditions, and you are noticing that it has separated in the bottle and with shaking will not go back into solution or it is not as effective, we would recommend replacing it.

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    4 of 4 people found this answer helpful.
  • Asked by Michael from St. Louis, Mo
    07/08/2018
    Q
    What is the shelf life of Q4 and what are the storage recommendations?
    A

    The shelf life of Q4 Plus Turf Herbicide is 3-5 years if stored in a room temperature setting. This product should be kept out of extreme temperatures, which are under 35 degrees Fahrenheit and over 90 degrees Fahrenheit. 

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    4 of 4 people found this answer helpful.
  • Asked by Gallin from Midlothian, Va
    05/09/2018
    Q
    What rate of application for Q4 Plus is best for killing Virginia buttonweed in a tall fescue lawn?
    A

    Q4 Plus Turf Herbicide should be mixed at at 2.5 oz. per gallon of water per 1000 sq. ft. to treat Virginia buttonweed.

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    4 of 4 people found this answer helpful.
  • Asked by Christopher from Virginia Beach
    12/30/2016
    Q
    Will it be effective to spray Q4 Plus Turf Herbicide in January in tall fescue?
    I live in Virginia Beach, Virginia.
    A

    Q4 Plus Turf Herbicide is a post-emergent herbicide, so it will only be effective on existing plants that are actively growing. You should not use any post-emergent herbicides during winter temperatures or when weeds are dormant.

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    4 of 4 people found this answer helpful.
  • Asked by Brittany from Torrington, Ct
    07/07/2019
    Q
    Can I use Q4 around the base of mature fruit trees?
    I want to use Q4 to kill weeds in my lawn is it safe to use this in the lawn around the base of mature pear and apple trees? The trees are about 40 years old
    A

    Q4 Plus Turf Herbicide  should not be applied inside the dripline or roots of any edible trees.

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    4 of 4 people found this answer helpful.
  • Asked by Jackie
    06/06/2018
    Q
    How does Q4 work on wild violets? My yard has been overtaken and nothing is working.
    A

    Q4 Plus Turf Herbicide increases the carbon dioxide in the weed resulting in death. Wild violets will require more than one application to get control according to the product label. 

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    4 of 5 people found this answer helpful.
  • Asked by Jim from Oshawa, Ontario
    08/19/2018
    Q
    What is the best post-emergent pesticide for spot or blanket spraying cool season turf?
    I am looking for a post-emergent herbicide that contains quinclorac, triclopyr, fluroxypyr and carfentrazone.
    A

    We do not have a post-emergent herbicide that will contain all 4 of the active ingredients you mentioned.  Without knowing what weeds are being targeted, it is hard to make a recommendation. In most cases, tank mixing two herbicides is allowed if permitted on the product labels. You would follow the most restrictive label in regards to tank mixing.  Q4 Plus tends to be the most popular for broadleaf weed control in cool-season turf. Here are some other options. 

    QuickSilver Herbicide contains Carfentrazone-ethyl

    Ferti-lome Weed Free Zone contains 2,4-D, mecoprop-p, dicamba and carfentrazone-ethyl. 

    E-2 Herbicide contains 2,4-D, Fluroxpyr, and Dicamba

    Q4 Plus contains 2,4-D, Dicamba, Quinclorac and Sulfentrazone 

    Solitare Herbicide contains Quinclorac & Sulfentrazone. 

     

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    3 of 4 people found this answer helpful.
  • Asked by Jerry from New Jersey
    09/06/2017
    Q
    How long do I wait before putting horses out after using Q4 Plus Herbicide on a horse pasture?
    A

    Per the manufacturer, Q4 Plus Turf Herbicide is not labeled for use on pastures. It is recommended that you wait at least 30 days before they can return to the area.

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    3 of 3 people found this answer helpful.
  • Asked by Krystal
    05/23/2019
    Q
    Can Q4 Plus Turf Herbicide be used on new grass seedlings?
    The new grass seedlings emerged about two weeks ago with weeds twice their size.
    A

    Per the product label for Q4 Plus Turf Herbicide you should delay application to grass seedlings until after the second or thrid mowing, or 28 days after emergence.

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    3 of 5 people found this answer helpful.
  • Asked by Sergio from Tucson, Arizona
    02/17/2017
    Q
    Is Q4 Plus Turf Herbicide selective for St. Augustine grass?
    I have a Sod farm , i want to kill weeds in my St. Augustine plantation, how will Q4 effect the St. Augustine variety?
    A

    Q4 Plust Turf Herbicide is not labeled safe for St. Augustine grass, the active ingredients in this product will burn the grass if it's applied to it. 

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    3 of 4 people found this answer helpful.
  • Asked by John from Jeffersonville, Indiana 47130
    07/09/2021
    Q
    Is Q4 or Speed Zone best to mix with Tenacity and a surfactant as a general weed killer in late summer before
    I'm looking for a general weed killer that I can mix with Tenacity and a surfactant to spray my tall fescue lawn with in late summer 4-6 weeks before overseeing my lawn. Which is the best product for this?
    A
    Neither Q4 Plus Turf Herbicide nor Speedzone would be advised to tank mix with Tenacity.  Tenacity requires the use of a surfactant in post emergent spot treatment applications while the others do not, as Q4 already contains one and most Speedzone products list on the label to not mix as it can injure your turfgrass.  Depending on what you are treating for Q4 is the better option of the 3 for the most weeds.
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    3 of 4 people found this answer helpful.
  • Asked by Greyson from Durham Nc
    07/01/2018
    Q
    Can Q4 Plus Turf Herbicide be applied in the early morning before temperatures rise to above 90 degrees?
    A

    Yes, we recommend applying Q4 Plus Turf Herbicide in either early morning or late evening when the temperatures are at their lowest.

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    3 of 4 people found this answer helpful.
  • Asked by Jo from Concord, Nc
    09/11/2016
    Q
    How long after applying Q4 Plus can I replant ajuga?
    I spilled some on patio & washed down with garden hose instead of wiping up because if was approx 3+ ounces & spreading quickly. Unfortunately, I have ajuga planted beside. I kept watering it off of them. Will it keep spreading to the other mature plants? I pulled up the wilted ones. I know grass is one week but didn't see any ornamentals.
    A

    Q4 is not going to move through the soil and affect other plants that were not directly sprayed with the product.  If you have watered the area well and it did not contact others or their roots, they should be fine.  The label does state not to apply to ornamental landscape beds.  We would recommend contacting the manufacturer directly for timing of when you can apply in that area.  PBI Gordon can be reached at 800-821-7925.

     

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    3 of 5 people found this answer helpful.
  • Asked by Vip from Melville, Ny
    04/30/2021
    Q
    Does Q4 Plus Turf Herbicide kills poison ivy growth?
    I have poison ivy stated growing . Will this kill poison ivy. Also it's sprint and temp is about 60 in New York so is it good time to put this down first to kill all type of weeds growing? And the other two product you also put down the same day
    A

    Yes, Q4 Plus Turf Herbicide is labeled for poison ivy.  Apply this product to broadleaf weeds that are young and actively growing for the best results.

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    3 of 4 people found this answer helpful.
  • Asked by Tony from Broken Arrow, Ok
    08/20/2019
    Q
    What is the risk for applying Q4 above 90 degrees?
    A

    Q4 Plus Turf Herbicide could injure turf if applied in temperatures above 90 degrees. Treating in these temperatures is usually not effective post control for weed control as well. The turf gets under stress in the higher temperatures.

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    3 of 4 people found this answer helpful.
  • Asked by Joseph from West Hartford Ct
    09/29/2019
    Q
    When can I overseed after Q4 has been applied?
    A

    Turf species listed on the product label can be seeded one week after application of Q4 Plus Turf Herbicide.

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    3 of 4 people found this answer helpful.
Displaying 61 to 80 (of 238 questions)