Spectracide® Weed & Grass Killer with Extended Control Concentrate

This product is a non-selective herbicide that kills weeds and grasses and prevents weeds for up to 5 months.* Rainproof in just 15 minutes, this powerful formula delivers results in as fast as 3 hours. Mix this concentrate formula with water and apply with a tank sprayer. Spray to completely cover the leaves of the target vegetation so the formula can be absorbed on all plant surfaces. Avoid spraying this product on desirable plants, lawn grasses, shrubs or trees.

  • Prevents weeds for up to 5 months*
  • Visible results in 3 hours
  • Rainproof in 15 minutes
  • Kills the root

*Does not kill all seeds, woody and semi-woody plants, and propagules in the soil, such as tubers and rhizomes.


Active Ingredients

Diquat Dibromide 2.30%
Fluazifop-p-butyl 1.15%
Dicamba, dimethylamine salt 0.77%
Oxyfluorfen 1.92%
Other Ingredients: 93.86%
Total: 100.00%
  • 32 fl oz
  • 40 fl oz

It is a violation of Federal law to use this product in a manner inconsistent with its labeling. For outdoor residential use only.

STOP Do not allow people or pets to touch treated plants until the sprays have dried. 

Do not apply this product in a way that will contact any person or pet, either directly or through drift. Keep people and pets out of the area during application.


  • Clothing and protective equipment exposed to this product should be washed in detergent and hot water. Such items should be kept and washed separately from other laundry.
  • Users should wash hands before eating, drinking, chewing gum, using tobacco or using the toilet. Users should remove clothing immediately if pesticide gets inside. Then wash thoroughly and put on clean clothing.
  • Users should remove clothing and protective equipment immediately after handling this product. As soon as possible, wash thoroughly and change into clean clothing.
Tank Sprayer (plastic, aluminum or stainless steel)
  • Add appropriate amount of concentrate to 1 gal of water.
  • Spot treat or spray evenly over 300 sq ft.

Dial-Type Hose-End Sprayer
  • Set sprayer to the “fl oz/gallon” level specified in the directions.
  • Use only enough product for the area to be treated.
  • Close sprayer, attach to hose and apply.

Concentrate Plus Water Type Sprayer
  • Determine the amount of concentrate required.
  • Pour concentrate into sprayer jar to the required “fl oz” level.
  • Add the required amount of water to the “gallons” level.
  • Replace sprayer top on jar and apply.

To kill newly emerged weeds and prevent regrowth for up to one month:
3 fl oz (6 Tbsp) per gallon of water treats 300 sq ft.

For weed control and to prevent regrowth for up to two months:
5 fl oz (10 Tbsp) per gallon of water treats 300 sq ft.

For best results and to prevent regrowth for up to three months: 7 fl oz (14 Tbsp) per gallon of water treats 300 sq ft.
1 Tbsp = 3 tsp        1 fl oz = 2 Tbsp
Refilling the Spectracide® Weed & Grass Killer With Extended Control (ready-to-use container): Carefully measure and mix 7 fl oz (14 Tbsp) in 1 gal of water in the ready-to-use container. See the ready-to-use product label for complete directions.
  • Completely cover the leaves of the target vegetation. 
  • Sprayed plants begin yellowing and wilting in as little as three hours, with complete kill, including the roots, in one to two weeks.
  • Thoroughly cover treated areas to prevent new weeds and grasses from growing.
  • Protect desirable plants with a piece of plastic or cardboard.
  • If desirable plants are accidentally sprayed, wash plants with water immediately. 
  • For best results, apply during warm, sunny weather (above 60°F) when weeds are actively growing and no rain is forecast for 24 hours. Rainfall or watering 15 minutes after application will not wash away effectiveness.
  • To avoid drift to desirable plants, apply when the air is calm.
  • Do not mow, cut or otherwise disturb treated vegetation for at least seven days following application.
  • Do not make more than two applications per year to any given area.
  • Do not use on or around edible feed or food crops.
  • Do not use in areas that are to be planted or seeded within three months.
  • Do not use around newly planted trees, shrubs or flowers.
WEED CONTROL: Use along fences, paths, patios, sidewalks, curbs and driveways and around established ornamental trees, shrubs, flower beds, plantings and buildings. Use for trimming and edging landscapes.
Do NOT use for spot weed treatment in lawns, since Spectracide® Weed & Grass Killer With Extended Control Concentrate kills all green plants, including lawn grasses.

When replanting trees, shrubs or flowers in an area treated with this product within the past three months:

  • Dig the planting hole.
  • Set aside the soil removed from the hole.
  • Place the plant in the hole according to the instructions on the plant.
  • Fill the hole with planting soil or other untreated soil.
  • Spread the soil removed from the hole in an area where no vegetation is desired. 
Pesticide Storage: Store this product in its original container in a secure storage area.
Pesticide Disposal: If empty: Nonrefillable container. Do not reuse or refill this container. Place in trash or offer for recycling if available.
If partly filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain.
Hazards to Humans and Domestic Animals

WARNING. Causes skin irritation. Causes moderate eye irritation. Do not get on skin or on clothing. Avoid contact with eyes or clothing. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum or using tobacco.

First Aid
If on Skin or Clothing:
  • Take off contaminated clothing.
  • Rinse skin immediately with plenty of water for 15-20 minutes.
  • Call a Poison Control Center or doctor for treatment advice. 
If in Eyes:
  • Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye.
  • Call a Poison Control Center or doctor for treatment advice.
Have the product container or label with you when calling a Poison Control Center, doctor, or going for treatment. 


Note to Physician: Probable mucosal damage may contraindicate the use of gastric lavage.

Environmental Hazards
This pesticide is toxic to aquatic invertebrates. To protect the environment, do not allow pesticide to enter or run off into storm drains, drainage ditches, gutters or surface waters. Applying this product in calm weather when rain is not predicted for the next 24 hours will help ensure that wind or rain does not blow or wash pesticide off the treatment area. Rinsing application equipment over the treated area will help avoid runoff to water bodies or drainage systems.

To the extent required by applicable law, buyer assumes all responsibility for safety and use not in accordance with directions.

Questions & Comments? Call 1-800-917-5438 or visit our website at www.spectracide.com