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Product Highlights
- For use in St. Augustine and Centipede Grasses
- Controls Emerged Weeds and Weeds from Seeds
- Prevents and Kills Dollarweed, Spurge, Annual Clovers, Annual Bluegrass, and more
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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.
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Details
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 listPet safe Yes, if used as directed on Label NOT FOR SALE TO AK, AR, AZ, CA, CO, CT, DC, DE, HI, IA, ID, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, ND, NE, NH, NJ, NV, NY, OH, OR, PA, PR, RI, SD, UT, VT, WA, WI, WV, WY Coverage Area 3,700 sq. ft. Shipping Weight 2.27 lbs Manufacturer Southern Ag UPC 051538006132 EPA Registration 19713-567-829 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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Product Documents
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63 Customer Reviews
Top Reviews
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 enjo…
Read Full Review »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...
Good on St. Augustine Floratram grass
By Alan on 03/16/2018
When I added sticker to the tank mix it killed the weeds that were up and didn't damage the grass like the Dismiss does. I'm going to keep using it.
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82 Questions & Answers
Helpful Q&A'sQCan 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?AYes, 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…
Read Full Answer »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.QWhat is the difference between Southern AG Atrazine and Hi Yield Atrazine?AHi-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 ingredie…
Read Full Answer »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.QHow long do I need to apply before rainfall for Atrazine to be fully effective?Rainfall imminant and spraying with AtrazineAPer 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 …
Read Full Answer »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
