Killzall Weed and Grass Killer - 41% Glyphosate

$13.42 - $79.95

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4.5 out of 5 stars Rating: 4.6

116 Reviews | 65 Q&A

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{ $13.42 { $12.71 $18.70 $16.67 $42.02 $40.36 $79.95 $75.42
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Killzall Weed and Grass Killer - 41% Glyphosate pint (16 oz)

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Killzall Weed and Grass Killer - 41% Glyphosate - Quart quart (32 oz)

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Killzall Weed and Grass Killer - 41% Glyphosate - Gallon gallon (128 oz)

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Killzall Weed and Grass Killer - 41% Glyphosate - 2.5 Gallon jug (2.5 gal)

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$79.95
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Killzall Weed and Grass Killer - 41% Glyphosate

Hi-Yield Super Concentrate Killzall Weed and Grass Killer is a post-emergent, non-selective herbicide with a multiple-use formulation. Using a double-surfactant formulation of 41% Glyphosate, Super Concentrate Killzall works quickly to eliminate systemically broadleaf or grassy weeds, clear turf for lawn renovation, prevent stump regrowth, and clean areas near fences, paths, patios, driveways, and buildings. Killzall should be applied to actively growing weeds, preferably before the seed heads form. Killzall Super Concentrate control annual and perennial weeds, brush, and grasses such as annual bluegrass, barnyardgress, clover, foxtail, goosegrass, knotweed, alder, Bermudagrass, blackberries, common ragweed, dandelion, kudzu, honeysuckle, milkweed, pampasgrass, zoysia and dozens more - even hard to kill types. While Killzall will control any plant you treat, it will not transfer through soil to neighboring plants. Killzall is rain fast in 24 hours and kills weeds and grasses down to the root.




Hi-Yield Super Concentrate Killzall Weed and Grass Killer is a post-emergent, non-selective herbicide with a multiple-use formulation. Using a double-surfactant formulation of 41% Glyphosate, Super Concentrate Killzall works quickly to eliminate systemically broadleaf or grassy weeds, clear turf for lawn renovation, prevent stump regrowth, and clean areas near fences, paths, patios, driveways, and buildings. Killzall should be applied to actively growing weeds, preferably before the seed heads form. Killzall Super Concentrate control annual and perennial weeds, brush, and grasses such as annual bluegrass, barnyardgress, clover, foxtail, goosegrass, knotweed, alder, Bermudagrass, blackberries, common ragweed, dandelion, kudzu, honeysuckle, milkweed, pampasgrass, zoysia and dozens more - even hard to kill types. While Killzall will control any plant you treat, it will not transfer through soil to neighboring plants. Killzall is rain fast in 24 hours and kills weeds and grasses down to the root.

Application should be made using a pump sprayer, hand sprayer, or hose-end sprayer. For best results, apply on warm sunny days when temperature is above 60 degrees F and rainfall is not expected within 24 hours. Hi-Yield Super Concentrate Killzall can be used for spot treatments or large jobs like lawn renovation or vegetable garden preparation.  See product label for complete precautions and application instructions.

Rating Snapshot

5 stars   94
4 stars   10
3 stars   4
2 stars   4
1 star   4

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Average Customer Rating
4.5 out of 5 stars (116)

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Most Helpful Customer Reviews
  • 92 of 98 people found this review helpful:

    4 of 5 stars  Killzall
    By Gerald in Prescott, AZ on 06/10/2011

    I have been using this product for a few years. It works slowly (4-6 days) to really see benefit but sprayed area lasts pretty well. The best thing is that you need only use 5 tablespoons to gal of water. Will kill everything.

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  • 81 of 83 people found this review helpful:

    5 of 5 stars  Killzall weed and grass
    By Frank in Lancaster PA on 05/06/2011

    A little slow in killing but most effective. Took about five days to kill all in the area that was sprayed. I did not see any affects of runoff from rain to surrounding plants or shrubs.

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  • 71 of 72 people found this review helpful:

    5 of 5 stars  Killzall Weed and Grass Killer
    By John in Baytown, TX on 03/07/2012

    I've been using this product now for several years. If you want to kill something green, this is the product. Just follow the directions and be very careful that you only put it on what you are trying to kill. It has helped me in removing vines/ivy that had been growing for over 15 years; from my home as well as choking 4 of my Oak trees. Since it is not available at any local stores, I was fortunate in finding DoMyOwnPestControl.com. A great company with super prices and fast shipping. And no, I'm not an employee. I do feel that good companies and products should get the cudos they deserve. Both apply here.

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  • 60 of 64 people found this review helpful:

    5 of 5 stars  ozz
    By Gerald in chester Illinois on 07/14/2011

    cheap price but good control of weeds and grass total kill but takes a little time to take efect about 5 days.I think it works better then roundup at half the price.

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  • 29 of 29 people found this review helpful:

    5 of 5 stars  KillzAll
    By Jeff in MSC, Utah on 04/27/2013

    We have been using this product for several years and are very satisfied with the results. Here is a helpful hint I learned from a farmer. Use any liquid dish soap. Put a couple of squirts in the sprayer after you have filled it and added the KillzAll, otherwise you will have a sudsy mess. This will help the weed killer stay on the weeds longer and especially helps on weeds with a waxy coating.

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Most Recent Customer Reviews
  • 1 of 1 people found this review helpful:

    4 of 5 stars  Does the job
    By Jennifer in LEXINGTON nc on 06/20/2017

    Good product! Don't get impatient it may take a few days

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  Weeds and grass killer
    By Stephanie in Maryland on 06/07/2017

    Second time ordering this product. Worked great both purchase. I should have ordered a bigger bottle. Will recommend and order again.

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  • 0 of 2 people found this review helpful:

    3 of 5 stars  Killzall compared to Roundup
    By Jay in Turtle Creek on 05/31/2017

    Mixing at proper rate is just like Roundup sometimes it works sometimes it doesn't even with the right conditions on the label was actually disappointed. Was hoping for something better than Roundup

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  • 2 of 2 people found this review helpful:

    5 of 5 stars  It works!!
    By Susan in loyal, wi on 05/30/2017

    I put this on my front lawn to test it. 12 hours later it rained and rained for 12 days straight. After all the rain though, my lawn is dead. This product did exactly what it was suppose to. Love it.

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  • 5 of 5 stars  awesome
    By Ron in mulliken mi on 05/14/2017

    just a great product and quick free shipping.

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  • 2 of 2 people found this review helpful:

    5 of 5 stars  Grass and weed killer
    By Gene in DeLand, FL on 04/17/2017

    Very pleased with Killzall

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  • 4 of 4 people found this review helpful:

    5 of 5 stars  works great
    By Tony in Wichita Falls, Texas on 04/10/2017

    It worked on all weeds and grass. It takes about two weeks to see results but it works better than roundup and lasts longer. The price was good and was delvered on time. Do my own pest control has the best prices and just the right things you are looking for.

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  • 2 of 2 people found this review helpful:

    5 of 5 stars  Does its job great
    By Adam in Katy, TX on 03/05/2017

    I sprayed this on edge of my fence and in cracks of my patio and driveway and everything green is dead. In two days it was yellow and dry and now dead. Great stuff!

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  • 4 of 4 people found this review helpful:

    5 of 5 stars  Only Purchase What Works
    By Marlisa in Thomasville, NC on 10/23/2016

    That's right, Killzall is the only product that I will ever purchase. Every since I started using Killzall I only have to use my weed eater one or twice a year. Three acres of land why would you want to do it any more than that. The price saves you money when you purchase your first container. Great directions on how to mix for the type of weed you have. This one gets a TEN in my book.

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  • 3 of 3 people found this review helpful:

    5 of 5 stars  Perfect
    By Dave in Gwinnett county, ga on 10/09/2016

    Perfect for a killoff or edging withe chemical or knocking back Bermudagrass in beds. Pennies on the dollar compared to name brand glyphosate.

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Most Helpful Q&A's

02/28/2011 Scott

QI sprayed Killzall in my ditch. If I put culverts in with dirt over them, will grass grow over the new dirt?

AKillzall Weed and Grass Killer will only kill the vegetation that is directly contacted with the spray. Killzall Weed and Grass Killer does not stay in the soil, and it does not have any residual properties. It will not effect future vegetation.

45 of 46 people found this answer helpful.
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08/22/2011 Paul from Kenner,la_

QHow long after using Killzall Weed and Grass Killer for weeds in deer food plot can you replant?

AIt is recommended that you wait 1-2 weeks before replanting in an area that has been treated with a glyphosate product such as Killzall Weed and Grass Killer.

45 of 45 people found this answer helpful.
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04/28/2011 Joel

QCan I use Killzall Weed and Grass Killer around azaleas and flowers?

AKillzall Weed and Grass Killer contains glyphosate which is a non-selective herbicide. Non-selective herbicides will kill just about any type of plant you spray with the product. We recommend Over The Top II for your needs. Over The Top II can be used around azaleas and many other plants to rid your garden of annual and perennial grasses.

24 of 25 people found this answer helpful.
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07/07/2015 Linda from Cardington, Ohio 43315

QIf Killzall Weed and Grass Killer is sprayed in an enclosed area for puppy dogs will this spray harm the dogs?

A

Killzall will not harm dogs when used as directed on the product label.  Keep pets and children away from the area while you are doing the treatment and they can return after the application has had a chance to dry.

18 of 19 people found this answer helpful.
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05/12/2011 Randy

QDoes Killzall loose any of its potency after it has been in sub-freezing temperatures for the winter?

AIt is not recommended to leave any type of chemical in areas where they could freeze or over heat because of the potential for the chemical to break down. According to the manufacturer, as long as the Killzall Weed and Grass Killer was only exposed to sub freezing temperatures for a short period of time and the product looks exactly the same as before it was exposed, it should be fine.

18 of 19 people found this answer helpful.
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Most Recent Customer Questions

09/09/2016 Bp

QHow long should I wait to water after using Killzall Weed and Grass Killer?

A

Killzall Weed and Grass Killer is rainfast within 24 hours. So you can water after that time period.

3 of 3 people found this answer helpful.
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09/02/2016 James from Nederland, Tx

QIf I spray Killzall Weed and Grass Killer, how long before it dries?
Just wondering cause it is supposed to rain in a day or two

A

Killzall Weed and Grass Killer - 41% Glyphosate†is rain fast in 24 hours. It is best applied when rain is not expected within that time after application.

2 of 2 people found this answer helpful.
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08/25/2016 Bill from Newport, Nc

QCan I use Killzall Weed and Grass Killer to prepare my garden plot?
if so how long do I need to wait before I plant my vegetables

A

Yes. Killzall Weed and Grass Killer can be used to prepare a garden plot. It will only kill the vegetation that it directly comes in contact with, and does not stay in the soil. So it does not have any residual properties, and would not affect future vegetation. You could plant as soon as the weeds and grass die that are currently there; we would recommend waiting 2 weeks to allow the existing plants time to die completely.

4 of 4 people found this answer helpful.
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08/25/2016 David

QWill Killzall Weed and Grass Killer kill small trees?

A

Yes, Killzall Weed and Grass Killer is labeled to kill smaller woody brush and trees. Per the product label you should cut the stump close to the soil surface, make 4-5 nail holes into the stump, and then flood the holes and stump with the product undiluted.†

2 of 2 people found this answer helpful.
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08/23/2016 Allen from Oxford, Ms

QWill Killzall Weed and Grass Killer - 41% Glyphosate kill pecan tress?

A

Killzall Weed and Grass Killer - 41% Glyphosate†will not likely kill Pecan trees. If applied to the trunk it could cause some stress.†If there were a pecan tree cut down to stump, it could kill the stump if applied undiluted.†

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06/16/2016 Roger from Kansas

QDoes Killzall Weed and Grass Killer - 41% Glyphosate kill Stumps?
does this product kill stumps? If so how do I use it?

A

Yes, Killzall Weed and Grass Killer can be used to kill stumps. First, you will cut the stump down close the soil surface. You will then make 4-5 small holes in the stump and then flood the stump with undiluted product.

1 of 1 people found this answer helpful.
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06/14/2016 Guy from El Paso, Texas

QWhat is the best herbicide for Silverleaf Nightshade in lawns?
It is flowering now and I understand that is the best time to treat. I need to know what to treat it with, how to mix and with what, and application. I bought a backpack sprayer which may be overkill. As the summer progresses the infestation gets worse especially when the rainy season hits here in July and August. I am also concerned because I have 4 fruit trees in the backyard and the front I have an Arizona Ash which is away and up from where the nightshade is. Thanks for your help.

A

Most master gardeners agree that the best treatment for Silverleaf Nightshade in residential lawns is to use a non-selective glyphosate product, such as KillzAll Weed and Grass Killer. KillzAll will kill just about any plant it is sprayed on so we would recommend performing spot treatments in your lawn and then reseed. You would mix†2.5 oz. per gallon of water (1 gallon treats approx. 300 sq. ft.)†Repeat applications may be necessary for complete control.

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06/06/2016 Dorothy from Portage Des Sioux, Mo

QCan birds get sick where my husband sprayed Killzall Weed and Grass Killer - 41% Glyphosate and seeds fall to the ground?

A

If Birds were to ingest the seeds that are wet with†Killzall Weed and Grass Killer - 41% Glyphosate†they can be harmed. We would recommend to take up the seeds that were sprayed.†

1 of 1 people found this answer helpful.
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05/19/2016 Caiden from Nm

QCan Killzall Weed and Grass Killer - 41% Glyphosate harm cats and dogs?

A

Hi-Yield Super Concentrate Killzall is safe if applied when cats and dogs are not present. They can return to the treated areas once the surfaces are completely dry.

1 of 1 people found this answer helpful.
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05/10/2016 Chris from Bristow, Oklahoma

QHow long is Killzall effective for? How long will one application last?

A

Killzall Weed and Grass Killer - 41% Glyphosate†can remain effective for many weeks after application. If you are planning on reseeding or replanting, be sure to wait for at least 2-3 weeks.†

2 of 2 people found this answer helpful.
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