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SpeedZone Southern Broadleaf Herbicide

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SpeedZone Southern Broadleaf Herbicide provides post-emergent broadleaf weed control in ornamental turf, golf courses, lawns, sod farms, roadsides, cemeteries, sports turf, and parks, especially where rapid visual results are an advantage.

Target Pests

100 different Broad-leaf Weeds: Wild Violet Clover Garlic Spurge Plantain Chickweed Poison Oak and Ivy

See label for complete list

For Use In

SpeedZone Southern Broadleaf Herbicide can be applied to both cool and warm season grass. 

Cool Season Grasses: Kentucky Blue Grass Perennial ryegrass Tall fescue Colonial bentgrass

Warm Season Grasses: Common Bermuda and Zoysiagrass

Mix Rate

1 oz. per gallon of water per 1,000 sq. ft.

1 tbsp. per gallon of water (hose-end sprayer)

-See label for complete application instructions

Active Ingredient


2,4-D, 2-ethylhexyl ester ...10.49%

Mecoprop-p acid . 2.66%

Dicamba acid . .0.67%

SpeedZone Southern Broadleaf Herbicide

Product Q & A

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Browse 10 questions Browse 10 questions and 10 answers
What is the max temperature that you can spray speedzone southern without harming the turf?
A shopper on Jul 1, 2018
BEST ANSWER: It is recommended not to spray the SpeedZone Southern Broadleaf Herbicide when the temperature is above 85 F
Does it kill rye grass?
A shopper on May 13, 2018
BEST ANSWER: No Speedzone is safe to use on Rye Grass, please refer to the label for exact application rates.
If you spray this product on a bush is it going to kill the bush?
Danalye M on Apr 19, 2018
BEST ANSWER: Yes, if you get the Speedzone product on the bush leaves you can damage the bush, and possibly kill them.
I see common bermuda, but what about Tiff 419, Celebration or Latitude 36?
Carter on Apr 4, 2018
BEST ANSWER: The Bermuda name is an umbrella name and it will cover all types of Bermuda unless stated other wise.
Can this product be used safely on pastures?
A shopper on Apr 1, 2018
BEST ANSWER: Speedzone Southern is not labeled for use in pastures, what are you trying to control and what type of animals do you have grazing.

Plateau is a great product.

can you mix with 3-way? for good control of virginia button weed?
Mark M on Feb 28, 2018
BEST ANSWER: I do not see any recommendations to mix with another herbicide on the label, so I would not recommend that type of application.
Does speedzone work well as a spring pre emergent?
A shopper on Feb 14, 2018
BEST ANSWER: The Speedzone would only work as a post-emergent.
Can this product be used on Centipede grass also anything for crabgrass?
john F on Sep 25, 2017
BEST ANSWER: Yes, SpeedZone Southern Broadleaf Herbicide can be used on warm season grasses such as Centipede grass.
Will this kill Virginia Buttonweed?
Bill R on Aug 24, 2017
BEST ANSWER: Yes, SpeedZone Southern Broadleaf Herbicide will work to control Virginia buttonweed.

Spot Treatment:
Application Rates: 2 quarts Alligare Diquat Herbicide per 100 gallons spray carrier
(0.5% solution) plus 0.25-1.0% v/v (1 quart to 1 gallon per 100 gallons water) of an
approved aquatic wetting agent.
For cattail control: Apply Alligare Diquat Herbicide before flowering at 8
quarts of Alligare Diquat Herbicide /100 gallons spray carrier (the maximum
application rate) plus the wetting agent. Make repeat applications if needed for
complete control.
Application Directions: Apply spray solutions to wet completely the target weeds.
Do not spray to runoff. Additional applications may be needed if treating denselypacked
weeds or mats. Best results are obtained for weed escapes if repeat
applications are made within 2 weeks of the first treatment
Is SpeedZone Southern broadleaf Herbicide for Turf harmful to dogs and cats
Glenn on Aug 15, 2016
BEST ANSWER: No Speedzone Southern broadleaf Herbicide is not harmful to pets after it completely dries.

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