Q4 Plus Turf Herbicide - Questions & Answers

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  • Asked by Carol from Yacolt, Washington
    04/29/2017
    Q
    How much Q4 Plus Herbicide for a 4 gallon sprayer?
    A

    You will need to dilute approx. 4oz Q4 Plus Turf Herbicide per 4 gallons of water to cover 4000sq feet for most applications. 

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    7 of 12 people found this answer helpful.
  • Asked by Lm from Greensboro, Nc
    08/25/2017
    Q
    How long before you can mow after an application of Q4 Plus Turf Herbicide?
    A

    It is recommended that you wait at least two days after applying Q4 Plus Turf Herbicide to mow. Clippings from the first three mowings should be left in the treated areas. Do not use these clippings for mulch or compost around flowers, ornamentals, trees or in vegetable gardens. 

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    7 of 7 people found this answer helpful.
  • Asked by Jim from Concord, Nc
    06/19/2019
    Q
    Can I apply Q4 Plus to wet grass i.e. heavy dew on the grass early morning?
    A

    We recommend applying under dry conditions if possible, but a small amount of dew should not affect the results of Q4 Plus.

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    6 of 6 people found this answer helpful.
  • Asked by Richard from Union, Sc
    07/15/2018
    Q
    Our dog eats grass. Is Q4 Plus safe if we let the product dry before exposing the dog?
    A

    Yes, Q4 Plus is pet safe if used as directed on the product label.  The dog should be kept out of the area during application, but can safely return once everything has dried.  

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    6 of 7 people found this answer helpful.
  • Asked by J.r. from Sanantonio Texas
    07/14/2015
    Q
    Will Q4 Plus Turf Herbicide harm a St.Augustine lawn?
    A

    The Q4 Plus Turf Herbicide product label states that it should not be applied to St. Augustine grass, so it is likely that it would be harmful to that type of grass.  If you can tell us what type of weed(s) you need to treat, we will be happy to recommend a product to use that would be safe to apply to St. Augustine grass.  

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    6 of 9 people found this answer helpful.
  • Asked by Daniel from Rancho Cucamonga
    06/22/2018
    Q
    Will Q4 kill crabgrass and not harm my tall fescue?
    A

    Q4 Plus Turf Herbicide can safely be appied to tall fescue to treat for crabgrass when applied during the cooler times of the days when temps are below 80 degrees. 

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    5 of 5 people found this answer helpful.
  • Asked by Jim from Cedar Rapids, Ia
    10/10/2016
    Q
    Why should I only use Q4 Plus Turf Herbicide twice a year?
    I was using T-Zone SE to spray my yard and switched to Q4 Plus to include getting rid of Crabgrass as well. I spray my entire yard with Q4 Plus in April and September. The label says ONLY two broadcast applications per year. The problem is the Ground Ivy (Creeping Charlie). The Q4 Plus kills 90-95% of it in April but by the time September comes around, it's all grown back. My question is why can't I spray three times a year? I would think spraying in April, July and September would probably eradicate the Ground Ivy eventually. I might take a couple years but only spraying twice a year is not going to win the battle. I believe the two applications a year is based on the 2-4D in the product.
    A

    Products such as Q4 Plus Turf Herbicide should only be applied the maximum amount of times listed on the product label.  This how often the manufacturer has determined it is safe for the environment to use them. As ground ivy is a winter weed, it is best controlled when products are applied in the Fall as they start to green up.  Another option is to simply pull it up in between applications, though this may take several months of doing so to gain complete control.

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    5 of 10 people found this answer helpful.
  • 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 Jeff from Payson
    07/09/2019
    Q
    Does Q4 work on bind weed?
    A

    Yes, Q4 Plus Turf Herbicide is labeled to control bindweed.

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    5 of 5 people found this answer helpful.
  • Asked by Lee from Edmond, Ok
    07/09/2019
    Q
    What can i use to kill crab grass in bermuda grass?
    A

    Q4 Plus Turf Herbicide can be used for crabgrass in bermuda.

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    5 of 6 people found this answer helpful.
  • Asked by Jw from Leesburg, Ga
    05/11/2016
    Q
    Will Q4 Plus Turf Herbicide get rid of thistle in my Bermuda grass?
    A

    Q4 Plus Turf Herbicide will treat for Thistle in Bermuda. Keep in mind that yellowing may occur on the Bermuda. Be sure to apply during the cooler times of the day, morning or evening. 

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    5 of 5 people found this answer helpful.
  • Asked by Brady from Baker City, Or
    07/31/2018
    Q
    How long should I wait to water my grass after spraying with the Q4 Plus Turf Herbicide?
    A

    You can water approximately 6 hours after application of Q4 Plus Turf Herbicide. It is considered "rainfast" after this time. We do recommend waiting at least 24 hours before watering or irrigation for best results.

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    5 of 5 people found this answer helpful.
  • Asked by Teresa from Baltimore, Md
    08/23/2018
    Q
    After applying Q4 Plus on a lawn, how much time should pass before aerating and/or de-thatching that lawn?
    A

    We recommend waiting about two weeks or more after applying Q4 Plus Turf Herbicide before you aerate or dethatch the lawn. This is to allow enough time for the target plants to die completely before you dig up their roots.

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    5 of 5 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 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 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 Dean from Goldsboro, Nc
    07/26/2017
    Q
    Is Q4 safe on Zoysia?
    A

    Q4 Plus Turf Herbicide can cause Zoysia to become yellow.

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    4 of 4 people found this answer helpful.
  • Asked by Krystal from Ia
    07/10/2018
    Q
    Will Q4 damage ornamentals or shrubs?
    A

    Q4 Plus Turf Herbicide can harm desirable ornamentals if sprayed directly or too much drift contacts them.  It is recommended to apply on a calm, non- windy day to avoid contact.

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    4 of 4 people found this answer helpful.
  • Asked by Ken from Piperton
    02/28/2017
    Q
    What can I use for crabgrass and wild onion in bermudagrass?
    A

    Q4 Plus Turf Herbicide is labeled for both crabgrass and wild onion in bermudagrass.

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    4 of 5 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.
Displaying 41 to 60 (of 182 questions)