Weed Impede™ is a surface-applied preemergent herbicide used to control many annual grasses and broadleaf weeds in landscape ornamentals, groundcovers and bedding plants. Active ingredient is 40.4% oryzalin. Weed Impede controls weeds growing from seed and will not control established weeds or those growing from stolons, rhizomes or root pieces. Mix 1.5 to 3 fl. oz. per 1,000 sq. ft. in enough water for coverage. A minimum of 1/2" rain or equivalent irrigation is required within 21 days of application for activation. Pint size. NOTE: Not for sale in U.S. Territories or International. EPA registration number is 54705-5.

  • Controls barnyard grass
  • Foxtail
  • Purslane
  • Ragweed
  • and many more annual grasses and broadleaf weeds

Requires special handling due to DOT regulations. Additional shipping charges will apply. Cannot be shipped by air.

Not for sale in Vermont, Washington

WARNING: Cancer -


  • Manufacturer #: LG 5130
  • Form: Liquid
  • Size: 16 oz.
  • Type: Pre Emergent
  • Container Size (Liquids): 1 pt.


SDS for Monterey Weed Impede Herbicide (Pint)

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