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ALLIGARE

Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin

Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin is a fast-acting aquatic herbicide that manages invasive aquatic weeds in ponds and lakes. This product works on contact to knock down weeds and algae as quickly as 14 days.

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Clipper Herbicide Product Page
Min : 50.14 - Max : 208.7
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Price as of
10/02/25
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Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin, manufactured by Alligare, is a long-term land and aquatic herbicide in water-dispersible granule form.

This water-dispensable granule herbicide contains Flumioxazin 51.0%, demonstrating speedy and selective control of over 19 species of stubborn invasive and nuisance aquatic plants, such as fanwort and duckweed.

Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin can be used as a pre- and post-emergent herbicide to manage labeled grass and broadleaf weeds effectively. 

Tools Needed

To mix the product and apply it, you only need a backpack sprayer, skid sprayer, or hand-pump sprayer.

How to Use

  • Step 1: Determine how much Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin you need by calculating the area size of your aquatic water body. To do this, you will need to calculate the pond's surface area by measuring (in feet) the water's length, width, and depth (length x width x depth = surface area square footage / 43,560 = surface acre). For surface applications, the rate is 6 to 12 oz. per acre in 5 to 10 gallons of water. 
  • Step 2: Fill your sprayer halfway with water. Add the appropriate amount of Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin to water in a spray tank, and then fill the sprayer to the desired level with water. Close the spray lid and agitate until the product has dissolved.
  • Step 3: Adjust the nozzle and pump up the sprayer just enough to produce a coarse spray. Apply the product solution to the entire water body, focusing on the areas where aquatic weeds exist. Do not reapply Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin within 30 days of the first application.

Where to Use

Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin can be used and applied in the following bodies of water where there is limited or no outflow, including Bayous, Canals, Drainage ditches, lakes, marshes, ponds (including golf course ponds), and reservoirs.

For land, this product may be used in container and field-grown conifers (including Christmas trees) and deciduous trees, around established woody ornamentals in landscapes, to maintain bare ground non-crop areas, conifer and poplar reforestation sites, and dormant warm-seasoned turfgrasses.

When to Use

Use when you notice an undesired submerged, floating, or emergent weed on your water body. Apply on cool, calm days when wind speeds are low to minimize drift and low humidity. 

Safety Information

Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin is safe to use around children and pets when applied according to product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.

Do not enter or allow children, pets, and workers to enter treated areas until 12 hours after application and the treatment area is dry. 

Special Considerations

When applying Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin to the foliage of floating or emerged aquatic weeds, mix with an adjuvant approved for use in aquatic sites. The manufacturer of this product recommends using a Chemical Producers and Distributors Association-certified adjuvant. Mix this product with a non-ionic surfactant containing at least 80% active ingredient.

AvailabilityOnline
Restricted UseNo
Shipping Restrictions1 Pound: AZ, CT, NY, VT
5 Pound: AZ, CT, NY, VT
BrandALLIGARE
Keith's Pro Tips"Application of Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin in the early morning hours may enhance weed control, as pH level tends to rise in the afternoon hours as the product breaks down and loses effectiveness in high pH water levels (greater than 8.5)."
Product DrawbacksRequires an adjuvant for best results.
Target PestsAlligator Weed, Coontail, Curlyleaf Pondweed, Duckweed, Eurasian Watermilfoil, Fanwort, Filamentous Algae, Frog's-bit, Hydrilla, Illinois Pondweed, Sago Pondweed, Southern Naiad, Variable-Leaf Watermilfoil, Water Fern, Water Lettuce, and Water Pennywort.
Application EquipmentBackpack Sprayer, Pump Sprayer, Spray Rig
Application MethodsBroadcast Spray, Spot Treatment
Active IngredientFlumioxazin 51.0%
Product TypeHerbicide
FormulationWater Dispersible Granule (WDG)
Application RateApply at a rate of 6 to 12 ounces of product per acre.
Shelf LifeFlumigard WDG (Clipper) Aquatic Herbicide Flumioxazin will last 3 years in storage if kept in moderate temperatures. Store away from moisture.
YieldIf Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin is applied at the high rate for surface application each 5 pound container will treat approximately 6.67 acres.
Use SitesOutdoors
Time to KillFlumigard WDG (Clipper) Aquatic Herbicide Flumioxazin begins to kill target weeds 2 weeks after contact but can take up to several weeks for complete control all depending on treatment area and application.
Comparable ProductsClipper Herbicide
EPA Registration #81927-68
More Information
Restricted Use No
Shipping Restrictions AZ, CT
Availability Online
Signal Word CAUTION
Keith's Pro Tip "Application of Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin in the early morning hours may enhance weed control, as pH level tends to rise in the afternoon hours as the product breaks down and loses effectiveness in high pH water levels (greater than 8.5)."
Target Pests Multi Alligatorweed, American_Burnweed, Annual Bluegrass, Annual Sowthistle, Barnyardgrass, Birdseye Pearlswort, Black Nightshade, Bristly Foxtail, Bristly Starbur, Broadleaf Plantain, Buckhorn Plantain, California Burclover, California Lovegrass, Canada Thistle, Carolina Geranium, Carpetweed, Chamberbitter, Coffee Senna, Common Chickweed, Common Groundsel, Common Lambsquarters, Common Mallow, Common Purslane, Common Waterhemp, Dandelion, Doveweed, Eastern Black Nightshade, Eclipta, Entireleaf Morningglory, Fall Panicum, Field Pennycress, Florida Beggarweed, Giant Foxtail, Giant Ragweed, Goosegrass, Green Foxtail, Green Kylinga, Hairy Bittercress, Hairy Galinsoga, Hairy Indigo, Hairy Nightshade, Hemp Sesbania, Henbit, Hoary Cress, Horseweed/Marestail, Ivyleaf Morningglory, Jimsonweed, Kochia, Ladysthumb, Large Crabgrass, Little Mallow, Liverworts, Longstalked Phyllanthus, Marsh Parsley, Marsh Yellowcress, Mayweed, Moss, Mouseear Chickweed, Mulberry Weed, Northern Willowherb, Palmer Amaranth, Parsley Piert, Pennsylvania Smartweed, Petty Spurge, Pineapple_Weed, Prickly Sida, Prostrate Pigweed, Prostrate Spurge, Puncture Vine, Red Morningglory, Redmaids, Redroot Pigweed, Redstem Filaree, Redweed, Russian Thistle, Scarlet Morningglory, Shepherdspurse, Signalgrass, Smallflower Morningglory, Smooth Crabgrass, Smooth Pigweed, Southern Crabgrass, Spiny Amaranth, Spotted Spurge, Tall Morningglory, Tall Waterhemp, Tassel Flower, Teaweed, Texas Panicum, Thickhead, Tropic Croton, Tropical Spiderwort, Tumble Mustard, Tumble Pigweed, Velvetleaf, Venice Mallow, Water Pennywort, Wild Mustard, Wild Poinsetta, Yellow Foxtail, Yellow Rocket, Yellow_Woodsorrel, Dogfennel, Ground Ivy, Groundsel Tree, Coontail, Curlyleaf Pondweed, Duckweed, Eurasian Watermilfoil , Fanwort, Filamentous Algae, Frogs Bit, Hydrilla, Hygrophila, Sago Pondweed, Southern Naiad, Variable Leaf Pondweed, Variable Leaf Watermilfoil, Water Fern, Water Lettuce, Watermeal
Time to Kill Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin begins to kill target weeds 2 weeks after contact but can take up to several weeks for complete control all depending on treatment area and application.
Chemical Type Herbicide
Formulation Water Dispersible Granule (WDG)
Application Methods Broadcast Spray, Spot Treatment
Product Drawbacks Requires an adjuvant for best results.
Active Ingredient Flumioxazin 51.0%
Application Equipment Backpack Sprayer, Pump Sprayer, Spray Rig
Mix Rate Apply at a rate of 6 to 12 ounces of product per acre.
Use Sites Outdoors
Yield If Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin is applied at the high rate for surface application each 5 pound container will treat approximately 6.67 acres.
EPA Registration No. 81927-68
Shelf Life Flumigard WDG (Clipper) Aquatic Herbicide Flumioxazin will last 3 years in storage if kept in moderate temperatures. Store away from moisture.
Comparable Products Clipper Herbicide
Children or pets? No
Property Characteristics None

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