Killzall Weed and Grass Killer - 41% Glyphosate

$13.42 - $79.95

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4.5 out of 5 stars Rating: 4.6

108 Reviews | 56 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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$13.42
Killzall Weed and Grass Killer - 41% Glyphosate - Quart quart (32 oz)

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$18.70
Killzall Weed and Grass Killer - 41% Glyphosate - Gallon gallon (128 oz)

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$42.02
Killzall Weed and Grass Killer - 41% Glyphosate - 2.5 Gallon jug (2.5 gal)

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Buy 2 or more: $75.42 each

$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   88
4 stars   9
3 stars   3
2 stars   4
1 star   4

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Average Customer Rating
4.5 out of 5 stars (108)

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Most Helpful Customer Reviews
  • 78 of 83 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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  • 69 of 71 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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  • 56 of 57 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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  • 53 of 57 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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  • 23 of 27 people found this review helpful:

    5 of 5 stars  Excellent
    By Ryan in kalama, wa on 07/17/2011

    Excellent price and fast shipping. Free shipping sealed the deal. I will shop hear again. Very satisfied!

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Most Recent Customer Reviews
  • 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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  • 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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  • 2 of 5 stars  round up is better
    By David in n.o.,la on 09/09/2016

    Took days for results.

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  • 5 of 5 stars  Great Stuff
    By Änd in Lincolnton on 08/22/2016

    Does exactly what is says it does. Meet all my expectations.

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  • 5 of 5 stars  BEST weed killer on the market
    By Michelle in Woodstock, Georgia on 08/17/2016

    I have now purchased this item on three different occasions . I have tried many other brands and had no success with my stubborn ivy that was overtaking my backyard . I would recommend this product take anyone, it does an awesome job of getting rid of all those pesky weeds and vines and ivy.

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  • 4 of 5 stars  Great results...
    By William in Louisville, Kentucky on 08/07/2016

    Excellent product for the price. However, you won't see results overnight. For me, it took roughly 8-10 days to see that everything was killed off. But it does kill everything. Including your neighbors grass when you get some overspray blowing his way. He was none too pleased.

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  • 5 of 5 stars  Easy effective herbicide concentrate
    By Ronald in Little Rodk on 08/03/2016

    Used this concentrate for several years. Very effective and can be diluted for mild to strong kill action.

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  • 5 of 5 stars  Killzall
    By Jason in Harahan on 07/17/2016

    It worked perfect

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  • 5 of 5 stars  Killzall
    By Amy in Spring creek nevada on 06/28/2016

    Works great!

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  • 1 of 2 people found this review helpful:

    5 of 5 stars  mr
    By Cam in Lakewood on 06/27/2016

    fast shipping

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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.

40 of 40 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.

36 of 36 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.

20 of 21 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.

16 of 17 people found this answer helpful.
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06/20/2013 George from Huntersville, Nc

QIf I mix more Killzall than I use, what is best way to store it?
My Stihl backpack sprayer sepcifically says to empty it after spraying, rinse it, and let it dry. I destroyed another, less expensive sprayer by leaving mixed Killzall in it. Would a plastic gas can withstand the prolonged exposure. I can't always predict how much mixed Killzall I'll need, and I don't want to just waste it.

AThe recommendation for not leaving mixed solution in your sprayer is not only because it can damage your sprayer, but the solution is not good if left mixed more than 48 hours. Any time you spray you should only be mixing what you will use for that treatment and no more. Anything left over should be disposed of in the proper manner for that product, so if you have to, mix up less than you think you will need to avoid waste.

15 of 15 people found this answer helpful.
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Most Recent Customer Questions

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% Glyphosateis rain fast in 24 hours. It is best applied when rain is not expected within that time after application.

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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 withKillzall Weed and Grass Killer - 41% Glyphosatethey 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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05/01/2016 Paul from Mt. Airy, Nc

QWill Killzall Weed and Grass Killer keep ants out of the inside of a shed?

A

Killzall Weed and Grass Killeris an herbicide so it will not likely have any effect on ants. Something like Termidor SC applied around the outside perimeter of the shed will help to keep ants out.

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04/24/2016 Lu from Meridianville, Al

QWill Killzall harm the song birds and the mourning doves where I just sprayed?
I just sprayed for a lot of weeds, and forgot that I spread bird seed on the ground for the song birds and the doves to eat. I get loads of birds. I did not even think about it!! Will it harm them?

A

Once dry the Killzall should not harm any birds or other animals as its only designed to harm weeds.

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04/23/2016 Jeremy from Monroe, Mi

QDoes the dew from overnight make Killzall Weed and Grass Killer - 41% Glyphosate active again?
I understand it's safe to walk on once it's dry, but what if it gets wet again. Does this make it active again?

A

Killzall Weed and Grass Killer - 41% Glyphosateonce dry does not reconstitute when it gets wet again.

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04/20/2016 Todd from North Huntingdon, Pa

QWill Killzall Weed and Grass Killer kill Japanese knotweed?

A

Yes, Killzall is labeled to treat for knotweed. Please review the product label for application instructions.

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03/19/2016 Darrell from Hickory, Nc

QCan I spray Killzall Weed and Grass Killer over my blue rug juniper to kill weeds but not the Juniper?

A

The Killzall Weed and Grass Killer is just like roundup and hence its name, will kill all vegetation you spray it on. You could use the Killzall to spot treat the weeds you see coming up or if the weeds are grassy and not broadleaf weeds you could use a product like Fertilome Over the Top to spray overthe juniper and only kill the grasses. You can also use a pre-emergent product in the spring and fall of each year to help prevent grassy and broadleaf weeds from coming up throughout the growing season. Surflan Pro and Snapshot are two examples of great ornamental planting pre emergent products.

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03/18/2016 George from Hickory, Nc

QWill the blueberries be toxic from plants around which Killzall Weed and Grass Killer was sprayed?
and will the bushes be harmed?

A

Killzall does not move through the soil but will kill anything that it is applied to, soas long as you are not making contact with the blueberries or plants themselves during application of KillzAll Weed and Grass Killer - 41% Glyphosate there should no concern with the blueberries being toxic or the plants being harmed.

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03/06/2016 Mike from Merritt Island, Fl

QIs Killzall the best product for grass and weeds creeping from my yard into the creek? Is it safe for fish?

A

Per the Killzall Label, it is recommended that this product not be used in areas where there is potential for runoff. It will likely harm any wildlife that come in contact with it when it is still wet.

A better option would be Rodeo Herbicide. It is labeled for use around bodies of water and will not harm fish.

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10/26/2015 Tricia from Summerville

QDoes Killzall Weed and Grass Killer kill mosquitoes?

A

Killzall Weed and Grass Killer will not eradicate insects including mosquitoes only weeds and grasses. We do carry products that will work great for mosquito control such as Talstar P. Please take a few moments to review our treatment article on How to Get Rid of Mosquitoes.

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