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DREXEL

Trifluralin 4EC Herbicide

Trifluralin 4EC is a selective herbicide for pre-emergence control of annual grasses and broadleaf weeds.
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Trifluralin 4EC Herbicide Product Page
Min : 112.95 - Max : 112.95
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Price as of
04/20/26
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Trifluralin 4EC Herbicide, manufactured by Drexel, is a long-lasting preemergent herbicide controlling many annual broadleaf and grassy weeds in over 20 different use sites.

This product suppresses weeds by inhibiting root growth and can be applied as a broadcast application, lay by application, as well as soil incorporation, or added to a dry bulk fertilizer.

Trifluralin 4EC Herbicide offers continued weed control for the new grower and the seasoned grower.

Tools Needed

To use Trifluralin 4EC Herbicide, you will need to mix the product in a sprayer of your choosing such as a backpack sprayer, handheld pump sprayer, a professional spray rig for larger volume applications or you may also use professional incorporation equipment such as a field cultivator.

How to Use

  • Step 1: Determine how much Trifluralin 4EC Herbicide to use by measuring the square footage of the treatment area. To do this, you will need to measure the length and width of the treatment area in feet and then multiply them together ( length X width = square footage). For acreage, take your square footage and divide it by one acre ( square footage / 43,560 = acre). For vegetable gardens, you will need 2.25 to 4.5 tsp of Trifluralin 4EC Herbicide per 1 to 5 gallons of water per 1,000 sq. ft. For under-paved surfaces in small areas, a rate of 9 to 12 ounces of this product in 3 to 4 gallons of water per 1,000 sq. ft. Refer to the product label for more specific rates and restrictions.
  • Step 2: Fill your selected sprayer tank with half of the required amount of water and add the measured amount of Trifluralin 4EC Herbicide. Fill the sprayer the rest of the way with the remaining half of the water. Close the sprayer and shake it till the product is well mixed.
  • Step 3: Spray the soil with the Trifluralin 4EC Herbicide mixture, making sure to get even coverage via the fan spray setting.

Where to Use

Use Trifluralin 4EC Herbicide on crops such as alfalfa, asparagus, all dry and fresh beans guar, lima, mungbeans, and snap peas except English peas, southern peas, carrots, castor beans, celery, chicory/endive, cole crops, corn, cotton, cucurbits, eggplant, forage legumes, grain sorghum, greens collard, kale, mustard, turnip greens, hops, kenaf, lupine, mint, okra, onions, ornamentals, peanuts, peppers, potatoes, radish, rapeseed, safflower, small grains, barley, winter wheat, soybeans, sugarcane, sunflowers, tomatoes, trees grown for pulp, under paved surfaces, and vegetable gardens.

When to Use

Trifluralin 4EC Herbicide can be applied in the spring any time after January 1 and in the fall. This product can also be applied or incorporated immediately after planting and prior to crop germination. For post-emergent and lay-by applications apply this product at the specified rate on the product label at or before the last cultivation.

Safety Information

Trifluralin 4EC Herbicide is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and handling this product.

Do not allow people or pets to enter the treatment area for 12 hours after spraying.

Do not plant red beets, sugar beets, or spinach for 12 months after a spring application or 14 months after a fall application. Refer to the label for more specific crop rotation restrictions depending on crop location.

Do not plant vegetable crops other than those to which this product may be applied as a pre-plant soil incorporated treatment within 5 months after an application of this product.

Special Considerations

To prevent loss of herbicidal activity Trifluralin 4EC Herbicide must be soil incorporated within 24 hours after application.

More Information
Restricted Use No
Shipping Restrictions AK, CT, DC, HI, MT, NV, RI, WY
Availability Online
Signal Word CAUTION
Keith's Pro Tip "By noticing weeds early, you have the opportunity to control them before it's too late, that is before they mature, seeds are produced and spread to infest a larger area. Early control of weeds also saves time, money, and the environment in the long run".
Target Pests Multi Annual Bluegrass, Annual Ryegrass, Barnyardgrass, Brachiaria, Bristlegrass Foxtail, Bromegrass, Buffalograss, Canarygrass, Carelessweed, Carpetweed, Cheat, Cheatgrass, Chickweed, Coloradograss, Common Lambsquarters, Common Purslane, Crabgrass, Cupgrass, Downy Brome, Fall Panicum, Field Bindweed, Fireweed, Florida Purslane, Florida Pusley, Foxtail, Giant Foxtail, Goatweed, Goosefoot, Green Foxtail, Guineagrass, Henbit, Italian Ryegrass, Itchgrass, Johnsongrass, Junglerice, Knotweed, Kochia, Large Crabgrass, Lovegrasses, Mexican Clover, Nettle, Palmer Amaranth, Pigeongrass, Pigweed, Prostrate Pigweed, Puncture Vine, Pusley, Redroot Pigweed, Robust Foxtail, Rough Pigweed, Russian Thistle, Sandbur, Shattercane, Smooth Crabgrass, Spiny Pigweed , Sprangletop, Spreading Panicgrass, Stinging Nettle, Stinkgrass, Texas Panicum, Tumbleweed, Wild Barley, Wild Cane, Wild Oats, Woolly Cupgrass, Yellow Foxtail
Time to Kill Trifluralin 4EC Herbicide is a preemergent and will suppress weeds before they germinate.
Chemical Type Herbicide
Formulation Emulsifiable Concentrate (EC)
Application Methods Broadcast Spray, Injection
Product Drawbacks Trifluralin 4EC Herbicide will only control susceptible weeds during germination.
Active Ingredient Trifluralin 44.5%.
Application Equipment Backpack Sprayer, Gloves, Pump Sprayer, Spray Rig
Mix Rate For vegetable gardens, you will need 2.25 to 4.5 tsp of Trifluralin 4EC Herbicide per 1 to 5 gallons of water per 1,000 sq. ft. For under-paved surfaces in small areas a rate of 9 to 12 ounces of this product in 3 to 4 gallons of water per 1,000 sq. ft.
Use Sites Outdoors
Yield A 2.5-gallon bottle of Trifluralin 4EC Herbicide will treat up to 2 acres.
EPA Registration No. 19713-254
Shelf Life Trifluralin 4EC Herbicide will last up to 3 years when stored properly in a cool, dry place.
Comparable Products Crisalin, Elancolan, Flurene SE, Ipersan, L-36352, M.T.F., Su Seguro Carpidor, TR-10, Trefanocide, Treficon, Treflan, Tri-4, Trifluralina 600, Triflurex Trim, and Trust.
Children or pets? No
Property Characteristics None
AvailabilityOnline
Restricted UseNo
BrandDREXEL
Keith's Pro Tips"By noticing weeds early, you have the opportunity to control them before it's too late, that is before they mature, seeds are produced and spread to infest a larger area. Early control of weeds also saves time, money, and the environment in the long run".
Product DrawbacksTrifluralin 4EC Herbicide will only control susceptible weeds during germination.
Target PestsAnnual bluegrass, Annual ryegrass, Barnyardgrass, Bottlegrass, Brachiaria, Bristlegrass, Bromegrass, Buffalograss, Caltrop, Canarygrass, Carelessweed, Carpetweed, Cheat, Cheatgrass, Chess, Chickweed, Coloradograss, Common lambsquarters, Common purslane, Crabgrass, Cupgrass, Downy brome, Fall panicum, Field bindweed, Fireweed, Florida pusley, Florida purslane, Foxtail, Foxtail millet, Giant foxtail, Goatweed, Goosefoot, Green foxtail, Guineagrass, Henbit, Italian ryegrass, Itchgrass, Johnsongrass, Junglerice, Knotweed, Kochia, Large crabgrass, Lovegrass, Mexican clover, Mexican fireweed, Nettle, Palmer amaranth, Pigeongrass, Pigweed, Prostrate pigweed, Puncturevine, Pusley, Redrice, Redroot, Robust foxtail, Rough pigweed, Russian thistle, Sandbur, Shattercane, Smooth crabgrass, Spiny pigweed, Sprangletop, Spreading panicgrass, Stinkgrass, Stinging nettle, Texas panicum, Tumbleweed, Wild barley, Wild cane, Wild oats, Whoolly cupgrass, and Yellow foxtail.
Application EquipmentBackpack Sprayer, Gloves, Pump Sprayer, Spray Rig
Application MethodsBroadcast Spray, Injection
Active IngredientTrifluralin 44.5%.
Product TypeHerbicide
FormulationEmulsifiable Concentrate (EC)
Application RateFor vegetable gardens, you will need 2.25 to 4.5 tsp of Trifluralin 4EC Herbicide per 1 to 5 gallons of water per 1,000 sq. ft. For under-paved surfaces in small areas a rate of 9 to 12 ounces of this product in 3 to 4 gallons of water per 1,000 sq. ft.
Shelf LifeTrifluralin 4EC Herbicide will last up to 3 years when stored properly in a cool, dry place.
YieldA 2.5-gallon bottle of Trifluralin 4EC Herbicide will treat up to 2 acres.
Use SitesOutdoors
Time to KillTrifluralin 4EC Herbicide is a preemergent and will suppress weeds before they germinate.
Comparable ProductsCrisalin, Elancolan, Flurene SE, Ipersan, L-36352, M.T.F., Su Seguro Carpidor, TR-10, Trefanocide, Treficon, Treflan, Tri-4, Trifluralina 600, Triflurex Trim, and Trust.
Incompatible Home SidingBrick, Hardie Plank, Stone Veneer, Stucco, Wood, Vinyl
EPA Registration #19713-254

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