Southern Ag Atrazine Weed Killer for St. Augustine Grass

$14.95

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3 out of 5 stars Rating: 3.2

6 Reviews | 22 Q&A

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Southern Ag Atrazine Weed Killer for St. Augustine Grass quart (32 oz)

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Southern Ag Atrazine Weed Killer for St. Augustine Grass

Southern Ag Atrazine Weed Killer for St. Augustine Grass is for use in St. Augustine Grass and Centipede Grass. Southern Ag Atrazine Weed Killer for St. Augustine Grass kills many broadleaf weeds and suppresses crabgrass. Southern Ag Atrazine Weed Killer for St. Augustine Grass controls both emerged weeds and weeds from seeds.




ESTABLISHED ST. AUGUSTINE GRASS and CENTIPEDE GRASS.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, rainfall or 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 application in 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   3
4 stars   0
3 stars   0
2 stars   1
1 star   2

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Average Customer Rating
3 out of 5 stars (6)

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  • 9 of 10 people found this review helpful:

    5 of 5 stars  Atrazine stamps out dollar weed
    By Ray in Jensen Beach, FL on 03/17/2015
    Verified Purchase

    Once again Atrazine has come to my rescue! A heavy infestation of dollar weed was easily controlled and eliminated. Thanks to Do My Own Pest Control timely response to all of my inquiries, I now enjoy a fine lawn.

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  • 7 of 7 people found this review helpful:

    5 of 5 stars  Atrazine
    By Ralph in STUART, Fl 34994 on 05/22/2016

    Great to get out the hardest weeds that infest Florida's St. Augustine Grass...Never a problem...make sure you follow the directions...It is just what the pros use...

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  • 4 of 11 people found this review helpful:

    1 of 5 stars  Disappointed
    By Mike in Fort Walton Beach, Fl on 12/22/2015

    Sorry to say that I cannot give it even one star. (but seems I have to) Mixed it according directions for one gallon and used a tank sprayer. Since I had ordered it I "saved" an area along fence line as a teat--may have well cut it down with weed eater. Sprayed the mix and after a week called and was told it take 10 to two weeks for it to work. Three weeks later, weeds are standing tall--no effect at all. Sprayed again and weeds say "good morning" when I go out. Weeds are a mixture of dichondra, dollar weed and various broad leaf weeds.

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  • 2 of 4 people found this review helpful:

    2 of 5 stars  Not a great product.
    By Richard in Middleburg, fl on 08/23/2016

    I tried this out on few different types of weeds including bluegrass, but did not work well on some weeds and did not work at all on the others. I will look for something else to use.

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  • 1 of 3 people found this review helpful:

    5 of 5 stars  Atrazine
    By Marian in Parrish, FL on 02/28/2017

    Order was shipped quickly. I got what I ordered.

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  • 1 of 1 people found this review helpful:

    1 of 5 stars  Killed Alot of grass (centipede)
    By Van in Mobile, AL on 05/30/2017

    Applied to centipede lawn to get rid of weeds. Got rid of the weeds perfect but yellowed out and killed half the grass yellowing first then browning out and dieing. Followed directions used appropriate amount I don't know what happened. Only thing I can think is we didn't have rainfall for over a week after application.

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Most Helpful Q&A's

06/25/2012 Carl from Arlington Tx.

QCan I use Southern Ag Atrazine on Bermuda grass with out any harmfull effects on my lawn?

ASouthern Ag Atrazine Weed Killer is formulated specifically for St Augustine and Centipede grasses only and should not be used on Bermuda grass. We do carry a full line of selective herbicides of which many are labeled for use on Bermuda. Each product on our site has the product label link in the description page for your convenience. We are always here to answer questions or make recommendations should you need help.

6 of 7 people found this answer helpful.
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03/06/2016 Waynette from Greenville, Tx

QHow long do I need to apply before rainfall for Atrazine to be fully effective?
Rainfall imminant and spraying with Atrazine

A

Per the product label for Southern Ag Atrazine Weed Killer for St. Augustine Grass: 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

5 of 5 people found this answer helpful.
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01/22/2015 Bill from Ocala, Fl.

QFor getting rid of dollar weed in my lawn ?
The lawn is St, Augustine grass.

A

Speedzone Southern is labeled for Dollarweed and for use on St Augustine grass. According to the Speedzone Southern product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St Augustine. Do not broadcast or spot spray St Augustine during the fall to winter transition or if temperatures are expected to fall below 40F within 10 days of the application.

Please take a few moments to read through the product label completely for full instructions and other precautions.

3 of 3 people found this answer helpful.
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03/24/2015 Barbara from Camilla, Georgia

QWill Atrazine kill daylilies?
When I spray my lawn if some atrazine spray get on my daylilies or rose bushes will it kill them or harm them in any way?

AThe product labels for the Atrazine products we carry do not state that they are safe for ornamentals so to be safe we would recommend avoiding spraying or allowing drift to contact anything desirable.

2 of 3 people found this answer helpful.
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10/22/2015 Sj from Port St Lucie, Fl

QIs Southern Ag Atrazine Weed Killer for St. Augustine Grass effective against Florida Pulsey?

A

Southern Ag Atrazine Weed Killer for St. Augustine Grass is not labeled to treat Florida Pulsey. We cannot recommend it for you. Dismiss is labeled to treat for Florida Pulsey. Please refer to the product label to make sure your Turf Grass is tolerant of this product.

2 of 2 people found this answer helpful.
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Most Recent Customer Questions

06/25/2017 Mickey from Texarkana, Ar

QShould I spray Southern Ag Atrazine Weed Killer for St. Augustine Grass before or after I mow?

A

It is recommended that you wait at least two days before or two days after to mow after applying Southern Ag Atrazine Weed Killer for St. Augustine Grass.

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05/17/2017 Nick from Nc

QWill Southern Ag Atrazine Weed Killer kill ryegrass, tall fescue or bluegrass?

A

Southern Ag Atrazine Weed Killer is is formulated specifically for St Augustine and Centipede grasses only and should not be used on any other types of grass as it could be harmful.

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05/11/2017 Denise from Marion County, Fl

QIs Southern Ag Atrazine Weed Killer for St. Augustine Grass safe for large trees in the lawn?
Killing weeds-mostly dichonda . I have standard & palmetto St Augustine grass. I do not want to harm my trees. I need products that are inactive in soil.

A

Southern Ag Atrazine Weed Killer for St. Augustine Grass can safely be applied to St. Augustine lawns for targeting listed weeds. It should not be applied to trees or over the rooting area of the trees. We are not aware of a product for selective control that is inactive in the soil. Please let us know if you need further assistance. We are happy to help!

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04/21/2017 Jason from Douglasville, Ga

QCan Southern Ag Atrazine Weed Killer for St. Augustine Grass be used on newly plugged St Augustine grass?

A

No, Southern Ag Atrazine Weed Killer for St. Augustine Grass should only be used on established turf. You will need to wait through at least 3 mowings before applying this product. 

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04/10/2017 Katherine from Orlando, Fl

QIs Southern Ag Atrazine Weed Killer for St. Augustine Grass effective on dollar weed?

A

Southern Ag Atrazine Weed Killer for St. Augustine Grass is not labeled for dollar weed.  You may want to consider using Speedzone Southern Herbicide instead. 

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03/23/2017 Betty from Tallahassee, Fl

QWill Southern Ag Atrazine Weed Killer kill bermuda grass that is taking over my centipede lawn?
If not, do you know a herbicide that will work?

A

Southern Ag Atrazine Weed Killer will not kill bermuda grass in a centipede lawn.  Unfortunately, because these two grasses are so closely related, what kills one will likely harm the other as well.  In this situation, it is normally recommended to spot treat the bermuda as much as possible with a Roundup-type product (which will also kill the centipede immediately surrounding it) and then replant with centipede in a couple of weeks when the bermuda is gone. 

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02/17/2017 Sonny from Crestview, Fl

QCan I use a surfactant with Southern Ag Atrazine Weed Killer for St. Augustine Grass?

A

Southern Ag Atrazine Weed Killer for St. Augustine Grass product label does not instruct that a surfactant should be used, so it would not be recommended

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02/16/2017 Marshall from Navarre, Fl

QWhat is the best Post-emergent herbicide to use on Centipede grass?
I will be applying Dimension 2EW as a pre-emergent this weekend and again about 7 weeks later. But I'd like to know what to use on my centipede to kill what's already grown in.

A

Southern Ag Atrazine Weed Killer kills many broadleaf weeds, both emerged weeds and weeds from seeds. It is labeled safe for Centipede as well as St. Augustine.

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01/13/2017 John from Parrish, Fl

QIs Southern Ag Atrazine safe to use around palms?
I have areca palms, queen, sylvester palms in my yard and would like to know if I can apply atrazine around them this spring as a preemmergent.

A

No, Southern Ag Atrazine Weed Killer should only be used on established St. Augustine or Centipedegrass turf. It could possibly damage any other desirable plants, according to the product label. We have many other pre-emergent herbicides that are safe to use around established ornamentals such as palms. Surflan Pro is a popular choice for both warm season turf and ornamental areas, depending on what weeds you are targeting. You can browse all our pre-emergent herbicides here.

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11/20/2016 J. from Ormond Beach, Fl

QWhat is the difference between Southern AG Atrazine and Hi Yield Atrazine?

A

Hi-Yield Atrazine Weed Killer and Southern Ag Atrazine Weed Killer for St. Augustine Grass are very similar except for the manufacturer. Almost the same mix rate, same percentage of active ingredient, and they also treat for the same weeds. 

1 of 1 people found this answer helpful.
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