SpeedZone Southern Herbicide

$86.95 - $204.40

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4.4 Rating: 4.4

16 Reviews | 26 Q&A 

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  Size/Description Price/Ea. Qty  
SpeedZone Southern Herbicide gallon(s) (128 oz) $86.95
SpeedZone Southern Herbicide - 2.5 Gallon Jug jug(s) (2.5 gallons) $204.40
Total Price: $0.00


Availability: Normally ships in 1 business day.
For large order quotes, please call us at 1-866-581-7378.

SpeedZone Southern Herbicide

Speedzone Southern is a selective post-emergent herbicide that provides excellent and fast broadleaf weed control in sensitive southern turf grasses. SpeedZone Southern controls tough weeds such as dollarweed, creeping beggarweed, clover, plantain, ground ivy and spurge with a fast-acting response time. You will see weeds start reacting within hours. Speedzone is also rainfast within 3 hours, meaning it will stay on weeds even if it rains the night after you spray. SpeedZone Southern is labeled for use on grasses such as Bahiagrass, Buffalograss, centepedegrass, Hybrid Bermudagrass, Common Bermudagrass, Kikuyugrass, Seaside Paspalum, St. Augustine and Zoysiagrass.


Active Ingredient: Carfentrazone-ethyl - 0.54%
2,4-D, 2-ethylhexyl ester - 10.49 %
Mecoprop-p acid - 2.66%
dicamba acid - 0.67%
Target pests: A wide variety of broadleaf weeds including dollarweed, creeping beggarweed, clover, plantain, ground ivy and spurge
* See label for complete list
For use in: Bahiagrass, Buffalograss, centepedegrass, Hybrid Bermudagrass, Common Bermudagrass, Kikuyugrass, Seaside Paspalum, St. Augustine and Zoysiagrass
* See label for complete list
Application: 0.75 - 1.8 oz. per 0.1 - 5 gallons of water per 1,000 sq. ft.
* See label for complete application instructions
Formulation: Professional Product
NOT FOR SALE TO: AR, CO, CT, DC, IL, IN, IA, LA, ME, MI, MN, MT, NE, ND, NM, RI, SD, TX, VT, WA, WI, WY, AK, MA
Manufactured By: PBI Gordon Corporation (UPC: 070251656769)



Speedzone Southern is a post-emergent herbicide that provides excellent and fast broadleaf weed control in sensitive southern turf grasses. SpeedZone Southern controls tough weeds such as dollarweed, creeping beggarweed, clover, plantain, ground ivy and spurge with a fast-acting response time.  You will see weeds start reacting within hours. Speedzone is also rainfast within 3 hours, meaning it will stay on weeds even if it rains the night after you spray. SpeedZone Southern is labeled for use on grasses such as Bahiagrass, Buffalograss, centepedegrass, Hybrid Bermudagrass, Common Bermudagrass, Kikuyugrass, Seaside Paspalum, St. Augustine and Zoysiagrass.

Rating Snapshot

5 stars   11
4 stars   3
3 stars   0
2 stars   1
1 star   1

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Average Customer Rating
4.4 star rating (16 reviews)

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Most Helpful Customer Reviews
  • 15 of 15 people found this review helpful:

    5 of 5 Stars  Speed Zone Southern
    By Jim in Virginia Beach, VA on April 27, 2012
    Verified Purchase

    My yard, approximately 3/4 acre, consists mainly of St. Augustine/fescue and was heavily infested with a variety of different weeds due mainly to lack of previous treatment (St. Augustine very sensitive to most herbicides). Mixed and applied SZS in accordance with directions at a rate 1.5 fl oz mixed in 2 gal. quantities per 1000sf. Positive results noticed within 2 days with approximately 98 percent positive results in 2 weeks (as advertised). Surprisingly, same species of weeds responded with a less positive results during same time periods. This may be due to uneven application caused by varying pump pressure as chemical was distributed. Distribution was performed using a hand pressurized fan sprayer with a 2 gal capacity. Little or no turf damage observed.

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  • 9 of 10 people found this review helpful:

    5 of 5 Stars  Speedzone Southern
    By Dave in Ponte Vedra Beach, FL on May 24, 2011
    Verified Purchase

    Great Stuff. Killed the dollar weed but not my St. Augustine grass.

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  • 6 of 6 people found this review helpful:

    5 of 5 Stars  Very effective stuff
    By Alex in Cral Srings, FL on January 14, 2014

    I'm a first time homeowner in South Florida. Being such when I purchased my home I didn't have the slightest clue that there are things called weeds that slowly choke and take over your grass if left untouched. 4 years later my lawn was a mess. But in those four years I have grown to be an adept do it yourself homeowner. So after sodding about 25% of my lawn that was completely choked with weeds, I had to figure out how to get rid of the weed in the other areas. Most of which was anywhere from 40-65% weed mixed with grass. I also had some of the toughest weeds to kill. The toughest one was the creeping beggar weed. I didn't find anything from my research that treated it effectively without killing grass. And believe me I did a ton of research down to whatís the best method of getting rid of each individual type of weed in my lawn. After about 2 weeks of fruitless searching I found a website mentioning this herbicide as being extremely effective. So I bought and then applied it per the instruction and after just one application my yard is now only 10-20% weed! This stuff is AMAZING!! Killed 4 years of weed in just one application! Furthermore, my grass stayed completely green without any negative effect from the herbicide (St. Augustine) I was hesitant to buy it at first because of the price but itís completely worth it. Also there's enough herbicide here to last you anywhere from 3-5 years so in the long run its cheaper than most of the stuff you will buy at home depot. In fact comparing this to even the best thing home depot has to offer is like comparing an NFL team to a high school team. If you have the types of weed that this herbicide is designed for just stop searching for anything else and buy this. If you use it correctly it will destroy your weed without harming your grass.

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  • 5 of 6 people found this review helpful:

    5 of 5 Stars  Speed Zone Southern
    By SC in Riegelwood NC on November 8, 2012
    Verified Purchase

    The product was delivered as promised. I used it on my yard which is about 2 acres. I really like the results on the clover and other weeds. It did not harm my grass. Highly recommend this product.

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  • 5 of 5 people found this review helpful:

    4 of 5 Stars  Speed zone southern
    By Danny in Douglas/mass on April 8, 2012

    Works very well I work in the green industry use to the correct rate and application works very well and rain fast

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Most Recent Customer Reviews
  • 4 of 5 Stars  Got rid of Japanese-Knot-Weed
    By Milc in MA on June 21, 2014

    Nothing worked well against Japanese-Knot-Weed until we found SpeedZone. We are glad we finally got rid of them. For other wide leaf weeds, I wish our State allows us to use the stronger one (red label).

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  • 1 of 2 people found this review helpful:

    5 of 5 Stars  SPEEDZONE FOR SOUTHERN YARDS
    By Chris in Newport NC on May 5, 2014
    Verified Purchase

    I've used Speed zone in thpast with great results ( only spray that really destroys dollarweed). My landscaping supplier closed down and I've trying serveral standard Brand stuff in Lowes with dis-appointing results. Found Do My Own Pest Control via online search. They delivered in less than 5 days, I sprayed yard and the next morning you could see ALL the weeds beginning to die. Great product and great service by DoMy OwnPesrControl!!!! Next I'm working on moles (coming over from my neighbor's yard !

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  • 5 of 5 Stars  Great Herbicide
    By Jason in maywood ne on April 30, 2014

    Fast noticeable results next day found several weeds which started turning brown or dropping Did not hurt our Cody & Bowie buffalo grass and blue grass Smell is not as strong or long lasting as other products just enough smell to let you know its there.

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  • 2 of 4 people found this review helpful:

    5 of 5 Stars  May be the best
    July 12, 2013
    Verified Purchase

    We live in Fresno, Ca. Where "Everyone" has a gardener. Jose is a pretty bright guy and had this stuff on his truck. He applied it and it worked great. It seems to work better on more weeds than even Montery Chemicals. It is Very effective on spurge without burning the Bermuda.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  It worked!
    June 6, 2013
    Verified Purchase

    Got the Speedzone Southern Herbicide, sprayed it on as per the instructions and it quickly went to work. Took about 2 days for the burr weed to start dying. It is all gone now and two weeks later the Bermuda is coming in strong that the burr weed had been choking out before. Good stuff Thanks.

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  • 4 of 5 people found this review helpful:

    5 of 5 Stars  Exactly what was represented
    By Seth in La Habra, CA on January 31, 2013

    The product was exactly as represented on the site. The shipping was reasonable time and cost wise. Smooth buying experience.

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  • 4 of 5 people found this review helpful:

    5 of 5 Stars  Invasive groundcover in FL
    By David in Pensacola, FL on May 16, 2012

    This was recommended by Ag Serv. as only herbicide to rid my FL panhandle yard of the dreaded: Tradescantia fluminensis- Common Names: green wandering Jew, small leaf spiderwort, white-flowered wandering Jew, inch plant, speedy Jenny. Which is a class 1 invasive species. It works..but the plants are so resilent..you have to keep at it..recommend this product for this species.

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  • 1 of 1 people found this review helpful:

    5 of 5 Stars  speedzone southern
    By Amador in oxnard, ca on February 13, 2012
    Verified Purchase

    I use speedzone southern to control pearl wort weed in hybrid bermuda grass its the best herbicide have use to control this weed.

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  • 0 of 3 people found this review helpful:

    2 of 5 Stars  Not too happy
    By Sharon in Ball Ground, GA on July 31, 2011
    Verified Purchase

    I'm STILL pulling weeds. I've applied this twice and it kills only a fraction of the weeds in my GA lawn. This was too expensive to not work.

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  • 4 of 4 people found this review helpful:

    4 of 5 Stars  Worked as Advertised
    By Jason in Fuquay Varina, N.C. on July 5, 2011
    Verified Purchase

    I sprayed my Bermuda hybrid with this product and it killed the broad leaf weeds as advertised. I did follow the instructions to the letter, even down to when to mow and not mow. I sprayed my yard 1/2 acre with my four wheeler making sure I stayed around 1.5-2 miles an hour as best I could. My grass didn't yellow much, even with the temperatures being on the border of being too hot per the instructions. One application of fertilizer the next week and it's back to its dark green color.

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Most Helpful Q&A's

May 11, 2012 Sara from Alma, Ga asked:

QCan speedzone southern be used on centipede grass after temperatures reach above 90 degrees?

AAccording to the Speedzone Southern product label you are prohibited from broadcast spraying when temperatures reach 85F degrees or above and spot treatments may cause injury as well when temps reach 85F degrees.

8 of 9 people found this answer helpful.
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September 4, 2010 Robert asked:

QCan you use SpeedZone Southern Herbicide on Floratam Grass?
We have spotted spurge and many say not to use SpeedZone Southern Herbicide on our Floratam grass.

ANo, SpeedZone Southern Herbicide cannot be used on Floratam grass. You should contact your local cooperative extension office for advice on the Floratam grass.

7 of 8 people found this answer helpful.
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February 23, 2013 Jesse asked:

QHow much SpeedZone Southern Herbicide do I mix with one gallon of water?

A

You will need to use .55 fl oz -1.5 fl oz per 1,000 sq ft. Please refer to the product label fro the correct usage rate for your needs.

Note: Sprayer calibration (volume of spray needed to treat 1,000 square feet) will vary with each individual operator.
Steps in Calibration:
1. Mark an area of 1,000 square feet (i.e. 20 by 50 feet or 25 by 40 feet).
2. Place the sprayer on a level surface and add water noting the final level of water in the spray tank.
3. Spray the marked area with a sufficient volume of water to provide uniform coverage. Refill the sprayer to the same level as before measuring the amount of water added. The measured water added to the sprayer is the volume needed to cover 1,000 square feet.
4. Determine the application rate (fl. oz./1,000 sq. ft.) for Speedzone Southern from the Recommendations section of this label.
5. To each volume of water used as measured in step 3, add the amount of Speedzone Southern as determined in step 4.
Example: If the sprayer uses 2 gallons of water to cover 1,000 square feet and the desired application rate of Speedzone Southern is 1.5 fluid oz./1,000 square feet, then you would add 1.5 fluid ounces of Speedzone Southern to every 2 gallons of water to be used."

7 of 9 people found this answer helpful.
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September 6, 2013 Tj from Alpharetta, Ga asked:

QAt what rate should i use speedzone southern in a 4 gallon backpack sprayer

A

The exact dilution rate of SpeedZone Southern Herbicide depends on the specific weeds you are treating. You will need to use .55 fl oz -1.5 fl oz per 1,000 sq ft. Please refer to the product label for the correct usage rate for your needs.
To determine how many gallons of water is needed to cover 1,000 sq ft depends on the sprayer. On average, it takes 1-2 gallons of water.
For example: If the sprayer uses 2 gallons of water to cover 1,000 square feet and the desired application rate of Speedzone Southern is 1.5 fluid oz./1,000 square feet, then you would add 1.5 fluid ounces of Speedzone Southern to every 2 gallons of water to be used.

3 of 4 people found this answer helpful.
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April 25, 2014 Jay from North Port Florida 34286 asked:

QWhat is the best herbicide for bahiagrass in SW Florida?

ASpeedzone Southern is a post-emergent herbicide that provides excellent and fast broadleaf weed control in sensitive southern turf grasses such as bahiagrass. SpeedZone Southern controls tough weeds such as dollarweed, creeping beggarweed, clover, plantain, ground ivy and spurge with a fast-acting response time.  You will see weeds start reacting within hours. Speedzone is also rainfast within 3 hours, meaning it will stay on weeds even if it rains the night after you spray. 

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

April 13, 2015 Barbara from Costa Mesa, Ca asked:

QMy dog ate grass with this on it and threw up - is she in danger of something bad?
How long do I have to wait before I can walk my dogs on grass treated with this?

A The SpeedZone Southern Herbicide label states that once the product is dry, it is safe for pets to re-enter the treated area. Normally, an animal would have to consume a large amount to be affected by the herbicide. If you have any concerns, we recommend you contact your Vet and the manufacturer PBI Gordon at 800.821.7925 for clarification. 

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April 7, 2015 Mitch from Hudson, Fl asked:

QI'm going to purchase SpeedZone Southern and would like to know which hose end spray if any you would recommend for the application of this product on a 5k sq ft lawn.

A Pre-emergent herbicides are not recommended to be used in a hose end sprayer because those sprayers are not accurate enough to apply the correct amount of SpeedZone Southern Herbicide. You will need to use a hand pump sprayer and uniformly spray the product over the specified area. To decide how much water you want to use, you should mark a 1,000 sq ft area, fill your sprayer with water ONLY, and start walking and spraying just as if you were doing the actual application of herbicide. When you are done walking and spraying the 1,000 sq ft area note how much water it took you to spray that area, and that is the amount you will want to mix  of product with for each 1,000 sq ft area that needs to be treated. You will need to make sure treated areas are irrigated with at least 1/2 inch of water (either by rainfall or by sprinkler) following the application.

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March 27, 2015 Chris from Lubbock, Texas asked:

QDo I need to water SpeedZone Herbicide in. If so, how long does it need be after application & how much water?

A SpeedZone Southern Herbicide does not need to be watered in. The exact instructions on the product label are do not irrigate or water the turfgrass within 3 hours after application. If dry conditions exist, irrigation 8 hours before and 8 hours after application is recommended.

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January 14, 2015 Lydia from Los Angeles County asked:

QObnoxious Onion Weed...HELP!
I've finally identified that I have onion weed. I get more and more every year. I continue to dig it out right down to the bulb(s) but it continues to get worse. I've used Roundup on it but it doesn't seem to do anything. It is confined to my flower beds and not in the lawn. I don't mind having to lose some plants in the process of killing it but the onion weed has got to go!

A SpeedZone covers wild onion as well as hundreds of other broadleaf weeds infesting your lawn. Refer to the product label for instructions on dilutions for your lawn type

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October 24, 2014 Sherry from Nacogdoches, Tx asked:

QIn response to reply from previous question: I am treating creeping beggar weed in a yard of mostly bahia.

A We would recommend using Fertilome Weed Free Zone. It is labeled for beggar weed in Bahia grass as well as various other weeds. It can also be shipped to TX. You will use .75 to 4.5 fl. oz. per 1000 sq. ft.

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October 23, 2014 Sherry from Nacogdoches, Tx asked:

QIf SpeedZone Southern Herbicide works on Texas lawns, why can't it be sold to people in Texas?

A

There are state regulations for certain products, and SpeedZone Southern Herbicide cannot be shipped to TX unless it is being purchased by a licensed pest control operator. We would be happy to recommend something else for you with more information.

What type of lawn are you treating? How much area are you treating? What are you treating for?

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September 17, 2014 Terry from Oklahoma asked:

QCan you add pre emergents with SpeedZone Southern for extended weed control?

A The SpeedZone Southern Herbicide product label states that you should not use tank mixture combinations unless your experience indicates that your spray mixture is effective and will not result in objectionable turf injury.

1 of 1 people found this answer helpful.
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July 11, 2014 Gayle from Lexington, Sc, United States asked:

QCan Speedzone Southern be applied if temperature rises above 85?
Can Speedzone Southern be applied to Centipede if temperature is below 85 upon application but rises later in the day above 85 degrees?

A

According to the Speedzone Southern product label you are prohibited from broadcast spraying when temperatures reach 85F degrees or above and spot treatments may cause injury as well when temps reach 85F degrees.  To avoid issues it would be better to apply later in the day when temps drop so that the treated area will not be exposed to high temps after application.

2 of 2 people found this answer helpful.
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April 15, 2014 David from Lakeland, Fl asked:

QWill SpeedZone Southern effectively kill stinging nettle?

A

SpeedZone Southern is not labeled to control stinging nettle, because of the way the plant grows there really isn't anything labeled for it.  Stinging nettle is typically best removed by hand, taking care to protect skin with gloves and other appropriate attire. Be sure to completely remove the underground rhizomes or it will continue to come back. Close mowing or weed whacking can retard growth as well.

While we do not have a product labeled for stinging nettle we do carry Gallery which has an active ingredient, Isoxaben, that has been shown to be effect.

0 of 1 people found this answer helpful.
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March 13, 2014 Karen from Lumberton Texas asked:

QDoes speed zone do well with Virginia button weed?
My yard has a good bit of button weed. Will this kill it off?

A SpeedZone Southern Herbicide is labeled for Virginia Buttonweed and should do a good job for you.  Please refer to the product label to confirm your lawn type is tolerant to this product.

1 of 1 people found this answer helpful.
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