Hi-Yield Atrazine Weed Killer

$13.95

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Not for Sale to: WA

3.0 Rating: 3.0

7 Reviews | 24 Q&A 

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Hi-Yield Atrazine Weed Killer quart(s) (32 oz)

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Hi-Yield Atrazine Weed Killer

Hi-Yield Atrazine Weed Killer controls Henbit, Dollarweed, Chickweed, Clover, Sandspur and others listed on label. Hi-Yield Atrazine Weed Killer controls both emerged weeds and weeds from seed in St. Augustine and Centipedegrass. Hi-Yield Atrazine Weed Killer controls tough weeds.


Active Ingredient: Atrazine - 4.00%
Target pests: Henbit, Moneywort, Pennywort (Dollarweed), Chickweed (Common and Mouseear), Spurge, Annual Bluegrass (Poa annua), Dichondra, Knotweed, Cudweed, Florida Betony, Lespedeza, Mustards, Narrowleaf Vetch, Parsley-Piert, Sandspur, Smutgrass, Spurweed, Swinecrest, Woodsorrel and Various Annual Clovers
* Supresses Crabgrass
For use in: St. Augustine and Centipede grass
Application: 5 tsp. per quart of water per 100 sq. ft.
8.8 oz. per 2 gallons on water per 1,000 sq. ft.
* See label for complete application instructions
Pet safe: Yes, when used as directed on label
NOT FOR SALE TO: WA
Manufactured By: VPG (UPC: 732221334304)



Weeds Controlled or Suppressed: Annual Bluegrass (Poa annua), Chickweed (Commonand Mouseear), Crabgrass (suppression only), Cransbill, Cudweed, Dichondra, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mustards, Narrowleaf Vetch, Parsley-Piert, Pennywort (Dollarweed), Sandspur, Smutgrass, Spurge, Spurweed, Swinecrest, Woodsorrel and various annual clovers.

Established St. Augustinegrass and Centipedegrass: This product may be applied during both dormant and growing seasons. Best results are usually obtained when applied in early Spring or dormant periods when weeds are small or have not emerged. Do not apply more than two treatments per year. This product controls Spurweed, Florida Betony, Annual Bluegrass and many other problem weeds in St. Augustinegrass and Centipedegrass turfs. This product will control both emerged weeds and weeds from seeds. Rain or water within 2 or 3 days of application may decrease the effectiveness on emerged weeds. However, for the control of weeds from seeds, rainfallor watering is necessary within 7 to 10 days after treatment.

Spurweed: Control of Spurweed can best be obtained by applying when Spurweed has newly emerged(December and January.)

Florida Betony: This weed emerges in the Fall. Apply this product in mid to late October followed by a second application in mid to late February.

Dichondra, Moneywort: Apply this product in early April followed by a second applicationin July. Note: Applications for Spurweed or Florida Betony generally will give control or suppression of the other listed weeds. However, as a general rule, this product will give best control when applied to young tender weeds or just prior to weed emergence.

Rating Snapshot

5 stars   2
4 stars   1
3 stars   1
2 stars   1
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Average Customer Rating
3.0 star rating (7 reviews)

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  • 15 of 15 people found this review helpful:

    2 of 5 Stars  Trying to kill Pennywort
    By Gary in Oak Ridge, TN on May 30, 2012
    Verified Purchase

    I sprayed the Atrazine as directed and it didnt kill the Pennywort. I waited a week and a half and sprayed some areas again and also some new areas. After another 2 weeks and a couple of rains I noticed some of the Pennywort was dead, but much of the grass around the sprayed areas was dead as well. In general, it killed more grass than Pennywort.

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  • 7 of 8 people found this review helpful:

    1 of 5 Stars  ZERO
    By Paul in Canandaigua, NY on May 28, 2012
    Verified Purchase

    I might just as well have used water to kill the weeds. No result at all. it was a total waste of money. i ended up using round up from walmart.

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  • 4 of 4 people found this review helpful:

    3 of 5 Stars  Not sure...
    By Chris in Hudson, FL on March 8, 2013
    Verified Purchase

    I mix a bottle of this with Tenacity on my St. Augustine Floratam lawn. The combination works great but it may be all Tenacity. BTW, Tenacity is awesome on Floratam lwans.

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  • 4 of 4 people found this review helpful:

    4 of 5 Stars  Atrazine weed killer
    By O. in Norfolk,Va on May 7, 2014
    Verified Purchase

    In Norfolk,Va. I purchase atrazine to use on ST. Augustine grass. I followed the mixing instructions. The grass is growing and looking great.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Weed Killer
    By Steve in Cape coral fl on May 23, 2014
    Verified Purchase

    Excellent product, shipping was fast and on time. Would purchase from this seller again.

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  • 1 of 5 Stars  Atrazine
    By John in Florida on December 29, 2014
    Verified Purchase

    Doesn't seem to be working so well. Thought it worked on st. Augustine grass. weeds are still there and don't seem to be dying

    Expert Response  Expert response:
    It will be tough to use almost any post-emergent herbicide this time of year. Atrazine will provide the best control when weeds are young or just prior to weed emergence. If the weeds are not actively growing, then you will see limited results.

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  • 5 of 5 Stars  Really a weed killer
    By Andres in Gainesville on February 4, 2015
    Verified Purchase

    After fighting with a pest control service for months without results, and my front grass getting worse, I decide to try Atrazine which they said they wouldn't apply. It worked nicely and even in the winter months I cant see any sign of getting back in the weeds. I took my pest control in my own hands and I hope to use many more products as time goes by.

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Most Helpful Q&A's

July 25, 2012 James from Savannah, Ga. 31411 asked:

QHow much Atrazine weed killer should be mixed per gallon?

AAccording to the product label: You should mix 4.3 fl ozs of Hi Yield Atrazine per gallon of water for each 500 sq ft area.

31 of 31 people found this answer helpful.
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February 26, 2013 Randy from Peachtree City, Ga asked:

QCan Hi-Yield Atrazine be used on Bermuda grass lawns?

AAtrazine should only be used on St Augustine and centipede grasses only.

5 of 5 people found this answer helpful.
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May 29, 2014 Robert from Canada asked:

QAtrazine is extremely harmful!
There is strong evidence that the widespread use of Atrazine is harmful to amphibians, bees, birds and humans, at any ppm/ppb level. Are you considering suspension of the sale of Atrazine?

AWe follow EPA recommendations and at this time they have not recommended suspension of sales on this active ingredient. Please let us know if you have any other questions. We are always happy to help!

3 of 5 people found this answer helpful.
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March 26, 2014 John from Winnsboro, Sc asked:

QCan Atrazine be used in sweet corn?

AYes, Hi-Yield Atrazine Weed Killer can be used around Corn. Atrazine is a chemical compound widely used as an herbicide in commercial crops and home lawn care. It is part of the triazine group of herbicides, the most widely used group of herbicides.

3 of 3 people found this answer helpful.
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May 10, 2012 Adam from Fairview, Pa asked:

QCan I use Atrazine on Kentucky Bluegrass?
I want to kill Poa Annua and thought KBG would not be harmed if Hi-Yield Atrazine Weed Killer is safe on St. Augustine lawns.

AAtrazine is not labeled for use on Kentucky Blue Grass so we cannot recommend you use it for this type of application. Most products that are labeled for poa annua cannot be used on KBG. We recommend that you spot treat the poa annua using a non-selective herbicide such as Killz All Grass and Weed Killer. Your best option for poa annua is to use a pre-emergent herbicide in the Fall such as Hi-Yield Turf & Ornamental Weed & Grass Stopper with Dimension. It will prevent the poa annua seed from germinating into weeds. It will not kill existing weeds and it is safe to use on KBG. Apply the granules and water in after application. Repeat treatment in Spring to prevent other grassy and broad-leaf weeds in your yard.

3 of 5 people found this answer helpful.
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Most Recent Customer Questions

March 16, 2015 Katelyn from Portsmouth, Oh asked:

QTrying to kill Hi Yield Super Concentrate Killzall Weed & Grass Killer in new compost area. How long must I wait to start composting?

A Hi Yield Super Concentrate Killzall Weed & Grass Killer being a glyphosate product will not last long on the soil. The specific time you can compost varies. Please contact the manufacturer of Hi Yield Super Concentrate Killzall Weed & Grass Killer at 855-270-4776.

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March 14, 2015 Tlf from South Carolina asked:

QIt rained today, how long before i can apply Atrazine?

A You should apply Atrazine when the ground is dry. This product will control both emerged weeds and weeds from seeds. Rain or water within 2 or 3 days of application may decrease the effectiveness on emerged weeds. However, for the control of weeds from seeds, rainfall or watering is necessary within 7 to 10 days after treatment.

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February 11, 2015 Harold from Seguin, Texas asked:

Qwill Atrazine harm cattle?

A  Hi-Yield Atrazine Weed Killer is not labeled to be used areound cattle, so we cannot say it is safe. Martins Clear Pasture is labeled to be used in pastures. 

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January 13, 2015 Rachel from Fl asked:

QWhat can I use to treat Dollarweed on Floratam turf?
I know many products are labeled for use on St. Augustine, but I am concerned about my Floratam yard.

A Hi-Yield Atrazine Weed Killer is safe to use on Floratam St. Augustine grass as long as the grass is established. This product should be applied when the temperatures are 85 degrees and under.

1 of 1 people found this answer helpful.
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January 1, 2015 William from Campbell asked:

QWill atrazine kill sweet corn?

A Hi-Yield Atrazine is not labeled to be used on any type of edibles. It is only labeled to be used on St. Augustine and Centipede grasses.

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October 27, 2014 Travis from Hopkins, Sc asked:

QCan you mix Hi-Yield Atrazine Weed Killer with 2-4-D and a liquid fertilizer in the same broadcast sprayer?

A These products may be mixed together following the instructions on each product label.  We do recommend a compatibility test if you have not done so previously. A compatibility test will check for changes in color, odor, and consistency. If any of these chemical changes are observed then a tank mixture would not be recommended.

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June 30, 2014 Marilyn from Sumter, Sc asked:

QIs Hi-Yield Atrazine Weed Killer effective on lespedeza?
My centipede yard is being taken over by lespedeza. Will your product help? Does it come in a granular?

A

Yes, Hi-Yield Atrazine Weed Killer is labeled to control/supress lespedeza. You will mix 4.3 fl. oz. per gallon of water to treat a 500 sq. ft. area.

No, this product does not come in a granular form.

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May 31, 2014 Alonzo from Stockton asked:

QWhat is the Hi-Yield Atrazine Weed Killer application instructions for use on sweetcorn
need to know the details on using this product for sweetcorn

A Hi-Yield Atrazine Weed Killer is not labeled for corn. We recommend to contac your Cooperative Extension office and speak with the Agricultural dept.

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May 15, 2014 Richard from Maryland asked:

QHow much Atrazine do i need for 1-1/2 A of sweet corn?

A

Hi-Yield Atrazine Weed Killer is labeled for corn. You will mix 5 tsp per gallon of water per 1,000 sq ft.

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April 27, 2014 Ernie from Wilmington Nc asked:

QWhat air or soil temerature are nec. to activate Atrizine for effective Spurge&Lespedenza; control in Centipede

A Hi-Yield Atrazine Weed Killer should be used when air temperatures are between 65-90 degrees. Normally, the hotter it is the faster the burn down will be.  Although, do not apply Hi-Yield Atrazine Weed Killer when the temperature exceeds 90 degrees. 

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