Hi-Yield Atrazine Weed Killer

$13.95

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Not for Sale to: WA, MN

3.5 out of 5 stars Rating: 3.5

17 Reviews | 60 Q&A

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Hi-Yield Atrazine Weed Killer quart (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.




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   8
4 stars   2
3 stars   2
2 stars   1
1 star   4

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Average Customer Rating
3.5 out of 5 stars (17)

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Most Helpful Customer Reviews
  • 27 of 29 people found this review helpful:

    2 of 5 stars  Trying to kill Pennywort
    By Gary in Oak Ridge, TN on 05/30/2012
    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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  • 14 of 19 people found this review helpful:

    1 of 5 stars  ZERO
    By Paul in Canandaigua, NY on 05/28/2012
    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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  • 14 of 15 people found this review helpful:

    3 of 5 stars  Not sure...
    By Chris in Hudson, FL on 03/08/2013
    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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  • 13 of 13 people found this review helpful:

    5 of 5 stars  Really a weed killer
    By Andres in Gainesville on 02/04/2015
    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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  • 11 of 13 people found this review helpful:

    1 of 5 stars  Atrazine
    By John in Florida on 12/29/2014
    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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Most Recent Customer Reviews
  • 1 of 1 people found this review helpful:

    1 of 5 stars  Doesn't work
    By Jeff in Tampa FL on 08/26/2017

    I used this product. It did nothing to kill any weeds. Waste of money. I'd give it zero stars if I could

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  • 5 of 5 stars  Great service
    By Harold in Moore haven FL on 08/16/2017

    Very fast delivery thank you. We will be buy from you again.

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  • 4 of 5 stars  effectiveness of Atrazine
    By David in Greenville, MS on 05/17/2017

    I had misgivings about spraying anything on St Augustine grass. Others sprays, supposedly "safe" on St. Augustine grass were a disaster; killed the grass, as well as the weeds, specifically, clovers. But the alternative was to pull out the clover, including roots, was not possible so I got the Atrazine, and sprayed. At first, nothing happened. But after about a week, I noticed the clover slowly dying, and no apparent damage to the grass. It's too early to tell if the clover dies, and the grass lives. But I'm crossing my fingers, and hoping for the best. So I'm giving it 4 stars, for giving me agita, but it seems like a winner. I do like DoMyOwn, and have used them several times. They have never let me down, and shipping is free and fast! They get 5 stars.

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  • 2 of 2 people found this review helpful:

    3 of 5 stars  Pre and Post emergent herbicide
    By Mark in louisiana on 03/27/2017

    Atrazine is both pre and post emergent, but is used to control very specific species in turf grass. IDENTIFY the pest correctly. MAKE SURE you apply correct rates. APPLY at the proper time for control. If you fail to do ANY of the above, you're wasting your time and your money!

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  • 4 of 7 people found this review helpful:

    5 of 5 stars  Atrazing
    By Glenda in Rocky Point, NC on 02/28/2017

    Folks, I have read some of the reviews and I just want you to know that this is a PRE-EMERGE HERBICIDE. It prevents weeds from germinating. Buy something else to kill the weeds you have that are already growing!

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  • 3 of 3 people found this review helpful:

    5 of 5 stars  Good Product
    By Rich in SC on 07/07/2016

    Used Atrazine mostly to spray Chamberbitter (gripe weed) in centipede. Works very well.

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  • 3 of 3 people found this review helpful:

    5 of 5 stars  ATRAZINE KILLED WEEDS IN THREE WEEKS.
    By James in GREENVILLE NC. on 06/01/2016

    ATRAZINE KILLED ALL THE WEEDS IN MY LAWN ,AND SEEMED TO FERTILIZE THE SAINT AUGUSTINE AT THE SAME TIME.

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  • 5 of 5 people found this review helpful:

    5 of 5 stars  ATRAZINE KILLED THE WEEDS IN MY LAWN IN ABOUT THREE WEEKS ,I
    By James in GREENVILLE NC. on 06/01/2016

    ATRAZINE KILLED THE WEEDS AND ALSO SEEMED TO FERTILIZE THE SAINT AUGUSTINE AT THE SAME TIME.

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  • 0 of 1 people found this review helpful:

    1 of 5 stars  Fertilizing My Weeds
    By Djs in Broxton on 04/09/2016

    I have used atrazine products previously with positive results. This product was a disappointment. I followed the instructions as written and I thought that I had purchased weed fertilizer instead of weed killer. It did not kill any type of weed! I wish that I had simply mowed the centipede grass and left the weed choking to my centipede. Expensive lesson learned!

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  • 4 of 6 people found this review helpful:

    5 of 5 stars  Speedy
    By Thomas in Youngstown on 04/03/2015
    Verified Purchase

    The speed of delivery was amazing! Fast online order I have ever recieved from any company. As far as the product I have used for years and love the results it gives.

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Most Helpful Q&A's

07/25/2012 James from Savannah, Ga. 31411

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.

171 of 189 people found this answer helpful.
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03/14/2015 Tlf from South Carolina

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

AYou 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.

37 of 42 people found this answer helpful.
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02/26/2013 Randy from Peachtree City, Ga

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

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

26 of 30 people found this answer helpful.
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05/29/2014 Robert from Canada

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!

21 of 31 people found this answer helpful.
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04/08/2015 Stacy from Pearson, Ga

QAfter application of Hi-Yield Atrazine Weed Killer, how long do we need to wait to let pets out onto lawn?

APets should not be in the treated area during the application of Hi-Yield Atrazine Weed Killer or while wet. Once the treated surfaces are completely dry, the pets can re-enter.

21 of 24 people found this answer helpful.
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Most Recent Customer Questions

06/04/2017 Gerald

QCan you mix Roundup with Atrazine?

A

The products we carry that contain Atrazine such as the†Hi-Yield Atrazine Weed Killer†state on the product label: This product is to be mixed with water only. Combinations with other chemicals in the application mixture are not recommended.

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05/19/2017 Richard from Metairie, La

QHow long should I wait after applying Hi-Yield Atrazine Weed Killer before broadcasting centipede seed in my lawn?

A

Do not overseed turf areas within 6 months of treatment of†Hi-Yield Atrazine Weed Killer.

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05/02/2017 G. from Castroville, Tx

QHow do you mix Hi-Yield Atrazine Weed Killer?
Lost label directions for atrazine and added sufactant, need mixing directions

A

The mixing rate for Hi-Yield Atrazine Weed Killer is 4.4 fl oz per gallon of water and will treat 1000 square feet. The rate of the surfactant is 1-2 teaspoons per gallon of water.

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04/30/2017 Jim from Tyler, Tx

QWill Hi-Yield Atrazine Weed Killer kill poa annua without harming St. Augustine grass?

A

Yes, Hi-Yield Atrazine Weed Killer can be applied to St. Augustine turfgrass to treat actively growing poa annua. You will apply 8.6 oz. per 2 gallons on water per 1,000 sq. ft.

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04/20/2017 Jason from Jacksonville, Fl

QPut Hi-Yield Atrazine Weed Killer on before or after I cut grass?

A

You could mow your grass 2 days before applying Hi-Yield Atrazine Weed Killer and can mow at least 3-4 days after application.

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04/10/2017 Gerald from Sc

QHow much Hi-Yield Atrazine Weed Killer do I need to treat 10,000 sq. ft.? Will a quart be enough?

A

Hi-Yield Atrazine Weed Killer is mixed at 8.8 oz. per 2 gallons on water per 1,000 sq. ft so a quart will treat 3,720 sq. ft. You will need 3 quarts to treat 10,000 sq. ft.† Please keep in mind that this product can only be applied to St. Augustine or Centipede grasses.†

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04/09/2017 Todd from Naples, Florida

QHow long until results are seen after application of HI-Yield Atrazine Weed Killer?

A

When using HI-Yield Atrazine Weed Killer and most other post-emergent herbicides, you should allow 10-14 days for plants to show signs of dying.

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04/06/2017 Ryan

QHow many ounces of Hi-Yield Atrazine Weed Killer do you mix to 1 gallon of water for corn?

A

Hi-Yield Atrazine Weed Killer is not labeled for use on edibles. This product is only labeled for use on St. Augustine and Centipede grass.

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03/31/2017 Robert from Loreauville, La

QHow long do I have to apply Hi-Yield Atrazine Weed Killer before it rains? Is one gallon per acre the correct rate?

A

Hi Yield Atrazine Weed Killer is rainfast six hours after application. The mix rate is 4.4 fl oz per gallon of water. The rate for an acre would be 400 fl oz in at least 25 gallons of water.†

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03/31/2017 Jane from Alachua, Fl

QI do not want wild bermuda grass to invade my new St. Augustine sod. Will Hi Yield Atrazine kill the bermuda?

A

Hi-Yield Atrazine Weed Killer is not labeled to control Bermuda grass in St. Augustine. Unfortunately, because Bermuda and St. Augustine grasses are so closely related, there is nothing that will kill the Bermuda without harming the St. Augustine as well.† It is typically recommended to spot treat the Bermuda with a non-selective glyhposate product and kill it directly, and then replant St. Augustine in those areas if necessary.†

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