Bayer Advanced Southern Lawn Concentrate Weed Killer

2.5 out of 5 stars 3 Reviews | 13 Q&A

Bayer Advanced Southern Lawn Concentrate Weed Killer

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Average Rating

2.5 out of 5 stars Rating: 2.3

3 Reviews | 13 Q&A

Product Overview

Bayer Advanced Southern Lawn Concentrate Weed Killer kills over 200 types of broadleaf weeds in listed Northern lawns and Southern lawns including St. Augustine. The special formula kills Clover, Dandelion, Dollarweed, Oxalis and Spurge, all without harm to your lawn. This product is not for use on Dichondra, Carpetgrass, or Floratam variety of St. Augustinegrass. Best applied when weeds are young and actively growing. If your lawn is dry, it is recommended to water 24 hours before using this product. Watering or rain one hour after product is applied will not wash away effectiveness.

Features and Specs

Active Ingredient 2,4-D, dimethylamine salt - 7.59%, Mecoprop-p, dimethylamine salt - 1.83%, Dicamba, dimethylamine salt - 0.84%
Target pests Black Medic, Bull Thistle, Clover, Dandelion, Daisy, Henbit, Plantain, Poison Ivy, Poison Oak, Ragweed, Spurge, Thistle, Wild Carrot, Wild Onion and others
* See label for complete list
For use in Fescue, Kentucky Bluegrass, Perennial Ryegrasses, Bermuda, Buffalo, Zoysia grasses, Bahia, Centipede and St. Augustinegrass grasses
Application Fescue, Kentucky Bluegrass, and Perennial Rye: 2 oz. (4 tbsp.) per gallon of water per 500 sq. ft.
Bermuda, Buffalo and Zoysia: 2 oz. (4 tbsp.) per gallon of water per 500 sq. ft.
Bahia, Centipede, and St. Augustinegrass: 1 oz. (2 tbsp.) per gallon of water per 500 sq. ft.
* See label for complete application instructions
Pet safe Do not allow people (other than applicator) or pets on treatment area during application
NOT FOR SALE TO
Coverage Area Up to 16,000 sq. ft.
Shipping Weight 2.40 lbs
Manufacturer Bayer Advanced (Mfg. Number: 502890B)
UPC 687073028904
EPA Registration 72155-4

Details

When is the best time to apply Bayer Advanced Southern Weed Killer For Lawns Concentrate?

Apply Bayer Advanced Southern Weed Killer For Lawns Concentrate anytime when weeds are actively growing. However, do not apply when the temperature at the time of application exceeds 85°F. In this situation, we recommend waiting to apply when temperatures drop again either in early evening or early morning.

What weeds will Bayer Advanced Southern Weed Killer For Lawns Concentrate control?

When used according to label instructions, Bayer Advanced Southern Weed Killer For Lawns Concentrate kills the following broadleaf weeds without harming a wide range of turfgrass varieties such as:

  • Northern Lawns: Fescue, Kentucky Bluegrass and perennial Ryegrass
  • Hardy Southern Lawns: Bermuda and Zoysia Grasses
  • Southern Lawns: Bahia, Centipede and St. Augustine grasses

Be sure to follow appropriate coverage rates for each lawn type as instructed by the label.

Can I use Bayer Advanced Southern Weed Killer For Lawns around ornamental plants?

When applying Bayer Advanced Southern Weed Killer For Lawns, it is important to ensure drift from spray mist does not contact vegetables, flowers, ornamental plants, shrubs, trees and other desirable plants.

When can the lawn be mowed following the application of Bayer Advanced Southern Weed Killer for Lawns?

Apply one to three days after mowing

How does Bayer Advanced Southern Weed Killer for Lawns work?

This product is a selective herbicide – it selectively kills weeds in the lawn but won’t harm the lawn itself. It is a blend of proven weed killers designed to get broadleaf weeds such as Dollarweed, Spurge and Oxalis.

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  • 1 of 5 Stars

    bad stuff

    By Lonnie on 07/23/2017

    I used this on my grass it killed 39 tomato plants 100 chili plants and nothing will grow where I used it but weeds and grass. None of the trees or plants were within 30ft of where I used it my elephant heart plum are wilting

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    1 of 4 people found this review helpful

  • 5 of 5 Stars

    Great for Use in St Augustine

    By Dollie on 08/10/2017

    I have used this product for years in my own lawn as well as in numerous friends and neighbors lawns. As long as used as directed on label it works very well. One neighbor used the higher dosage on sensitive St Augustine and the grass did yellow. However it bounced back after several mowing and the higher dosage did a better job on the tougher weeds.

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    1 of 1 people found this review helpful

  • 1 of 5 Stars

    Don’t use it on St. Augustine grass

    By Jan on 05/22/2022

    My back yard had a bunch of dollar weeds in spots all over and now the grass is dead everywhere I sprayed the dollar weed. Trails all over. I was very careful to mix it exactly by the directions. I am so upset, I could cry. I had to plant grass in some places that were really bad. I will never use this product again.

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Questions & Answers

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Q
What is Floratam St . Augustine grass? How can I tell the difference?

I have St Augustine grass. I am considering to purchase Bayer Advanced Weed Killer for St Augustine grass. Thank you.

A

Bayer Advanced Southern Lawn Concentrate Weed Killer is labeled for St. Augustine but is NOT to be used on Floratam version of St. Augustine. If you are uncertain of which type of St. Augustine grass you have, we recommend you contact your Master Gardener here for proper identification. Both of these types of turf lawns are very sensitive and can be damaged very easily.

Below are some characteristic differences between the two versions of Saint Augustine Grass. 

Saint Augustine Grass:

This broad-bladed, medium-green turf grass thrives in sunny locations, but unlike some sun-loving grasses, it also has a high shade tolerance. Common St. Augustine grass grows quickly during summer, but more slowly in fall and spring. It is a salt- and drought-tolerant grass that requires moderate maintenance. 

Floratam Saint Augustine:

Floratam is coarse-textured grass, but a distinguishing feature of Floratam is its longer and wider leaf blades. This dark-green cultivar grows rapidly in both spring and summer. It is less cold and shade tolerant than other St. Augustine grass cultivars and can suffer from freeze damage when temperatures stay below freezing for an extended period of time. Floratam needs plenty of sunshine and will perform poorly if it receives less than six hours of sunlight a day.

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100 of 138 people found this answer helpful

Q
What is the ratio to gallons of water for Bayer Advanced Southern Lawn Concentrate Weed Killer?
A

Bayer Advanced Southern Lawn Concentrate Weed Killer rates are as follows depending on your grass type: 

Fescue, Kentucky Bluegrass, and Perennial Rye: 2 oz. (4 tbsp.) per gallon of water per 500 sq. ft. 
Bermuda, Buffalo and Zoysia: 2 oz. (4 tbsp.) per gallon of water per 500 sq. ft. 
Bahia, Centipede, and St. Augustinegrass: 1 oz. (2 tbsp.) per gallon of water per 500 sq. ft. 

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8 of 8 people found this answer helpful

Q
Can Bayer Advanced Southern Lawn Concentrate Weed Killer be used on St. Augustine grass?

We have St. Augustine grass and the weeds are coming up already. Can I use Bayer Advanced Weed Killer now? Will it interfere with the growth of the lawn?

A

Bayer Advanced Southern Lawn Concentrate Weed Killer can be used now if you have weeds that are actively growing now and the lawn is established.  The product label states that it is safe to use on St. Augustine grass (except for the Floratam variety).

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3 of 3 people found this answer helpful

Q
Does Bayer Advanced Southern Lawn Concentrate Weed Killer kill sandspurs?

How soon can I start planting grass after treatment?

A

Bayer Advanced Southern Lawn Concentrate Weed Killer is not labeled to control sandspurs.  Per the product label bare spots may be seeded 3 to 4 weeks after application.  You can use a product called HI Yield Atrazine Killer which is labeled to treat for Sandspur and can be used in Centipede and St Augustine lawns.  Please let us know if you have a different type of grass and we can recommend a different product.

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3 of 3 people found this answer helpful

Q
What product do you recommend to get rid of Oxalis?

I have bermuda grass

A
Bayer Advanced Southern would be a great choice for you. It will treat Oxalis and not harm the Bermuda. 

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2 of 2 people found this answer helpful

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