Barrier Herbicide for Annual and Perennial Weeds

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For effective control of annual and perennial weeds, use Barrier herbicide. Barrier contains two active ingredients: imazapyr and glyphosate. These dual-action isopropylamine salts kills and prevent weeds, grass and brush for up to 12 months. Barrier goes straight to the roots and stops growth quickly and effectively. Use Barrier herbicide on driveways, parking lots, sidewalks and other areas to prevent grass and weed growth.

  • For pre- and post-emergence activity
  • Up to 12 months of weed control
  • For use around trees, shrubs and non-crop areas
  • Effective under mulch
  • Stops grass and weed growth on sidewalks, driveways and more
  • Forms a "vapor barrier" in the top layer of the soil
  • Kills shallow-rooted grasses and weeds


It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulation.


For additional information on this product please reference the Material Safety Data Sheet and Product Label listed below.

    Active Ingredient(s)

    Dichlobenil 4.0%

    Target Weeds

    Annual weeds, Annual Grass, Perennial grasses

    Not for sale 

    AK, CA, HI


    PBI-Gordon Corporation


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