Southern Ag Atrazine Weed Killer for St Augustine Grass

4 out of 5 stars 9 Reviews | 29 Q&A

Southern Ag Atrazine Weed Killer for St Augustine Grass

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Average Rating

4 out of 5 stars Rating: 3.8

9 Reviews | 29 Q&A

Product Overview

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.

Features and Specs

Active Ingredient: Atrazine 4%
Target pests: Annual Bluegrass (Poa annua), Chickweed (Common and Mouseear), Crabgrass (suppression only), Cransbill, Cudweed, Dichondra, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mustards, Narrowleaf Vetch, Parsley-Piert, Sandspur, Smutgrass, Spurge, Spurweed, Swinecrest, Woodsorrel and various annual clovers
For use in: St. Augustine Grass and Centipede Grass
Application: 4.3 oz. per gallon of water per 500 sq. ft.
1.1 pint per 4 gallons of water per 2,000 sq. ft.
* See label for complete list
Pet safe: Yes, if used as directed on Label
NOT FOR SALE TO: CA, MN, NY, WA
Coverage Area: 3,700 sq. ft.
Shipping Weight: 2.27 lbs
Manufactured By: Southern Ag
UPC: 051538006132

Details

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 controls Spurweed, Florida Betony, Annual Bluegrass and many other problem weeds in St. Augustinegrass and Centipedegrass turfs. This 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.

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  • 5 of 5 Stars

    Atrazine stamps out dollar weed

    By Ray 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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    16 of 17 people found this review helpful

  • 5 of 5 Stars

    Atrazine

    By Ralph 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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    13 of 13 people found this review helpful

  • 1 of 5 Stars

    Disappointed

    By Mike 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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    7 of 15 people found this review helpful

  • 1 of 5 Stars

    Killed Alot of grass (centipede)

    By Van 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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    5 of 6 people found this review helpful

  • 5 of 5 Stars

    Atrazine

    By Marian on 02/28/2017

    Order was shipped quickly. I got what I ordered.

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    3 of 7 people found this review helpful

See all 9 customer reviews

Questions & Answers

Have a question about this product?
  
Q
How 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

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17 of 17 people found this answer helpful

Q
What 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. 

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12 of 12 people found this answer helpful

Q
Can Southern Ag Atrazine Weed Killer for St Augustine Grass be applied in the early morning before the temperatures for the day reach 90+ and still be safe for my lawn?
A

Yes, the best time to apply Southern Ag Atrazine Weed Killer for St Augustine Grass is early morning or late evening when the temperatures are the coolest. As long as the application has had time to dry, high temperatures in the following days will not injure the lawn. 

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10 of 10 people found this answer helpful

Q
Can I use Southern Ag Atrazine on Bermuda grass with out any harmfull effects on my lawn?
A
Southern 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.

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10 of 11 people found this answer helpful

Q
Is Southern Ag Atrazine Weed Killer safe for St. Augustine Floratam grass on the East Coast of Florida near Melbourne Beach?

I just bought the house and there are established weeds. If Southern Ag Atrazine Weed Killer for St Augustine is safe for Floratam, can I apply it now?

A

Yes, Southern Ag Atrazine Weed Killer for St. Augustine Grasses is able to be used on St. Augustine Floratam lawns. It is both a pre-emergent and post emergent and is best applied when weeds are small or have not yet emerged. Pre-emergents are meant to be applied in early Spring and late Fall before the weeds have started to actively grow (when temperatures are 60 degrees for 4-5 consecutive days). Please follow instructions per the label. With Floratam St. Augustine grasses being extremely sensitive to post emergent herbicides, weeds that have already broken the surface of the lawn should be removed manually either with a weed whacker or by hand. 

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8 of 13 people found this answer helpful

See all 29 customer questions

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