ImpactZ™ Herbicide is the NEW, early-post application advantage you need to control glyphosate-resistant, broadleaf weeds and grasses in corn.

See your local retailer to purchase ImpactZ Herbicide.

Controls the Toughest Weeds and Grasses

Check v. ImpactZ
Untreated check vs. ImpactZ at 8 fl oz/A

Glyphosate-Resistant Weeds

Waterhemp | Marestail | Palmer amaranth

Giant ragweed | Kochia

Persistent Grasses

Crabgrass | Foxtail | Wooly crabgrass*

Broadleaf signalgrass* | Fall Panicum*

* For control of these grass species, use ImpactZ at 10.7 fl oz/acre

Wide-Open Application Window

Impact and ImpactZ Application Window Diagram

Performance and Flexibility

Superior crop safety in all types of corn. Even the most sensitive sweet corn hybrids. Flexibility to be used as sequential or total post system Wider window of application

Download Impactz Sell Sheet

Impact® Herbicide is the safest, most flexible postemergence herbicide with a wide-open application window, tank mix compatibility and consistent control of tough broadleaf weeds and grasses.

See your local retailer to purchase Impact Herbicide.


Controls 14 of the top 15 highest-rated problem weeds, including:

Giant foxtail | Lambsquarters | Waterhemp

Wide-Open Application Window

Can be applied in a 2-pass sequential program, early post, mid post, late post or new fallow application. In season apply Impact Herbicide any time weeds emerge up to 45 days prior to harvest.


Performance Advantages

  • Partnering with glyphosate or glufosinate is optional
  • Can be tank mixed with EC formulations like Dual Magnum® and Harness® for residual, postemergence control
  • No restriction with soil or foliar insecticides
  • Controls 14 of the top 15 highest-rated problem weeds
  • Proven on broad spectrum of hard-to-control broadleaf weeds and grasses
  • Flexibility—wide application window, labeled on all corn hybrids
  • The standard in corn safety

Download impact Sell Sheet