Steadfast® Q Herbicide

Steadfast® Q Herbicide Delivers Effective Postemergence Contact

Whether you’re protecting conventional or glyphosate-tolerant corn hybrids, DuPont™ Steadfast® Q herbicide delivers effective postemergence contact plus residual weed control.

Contact Control With Systemic Activity Stops Weeds in Their Tracks

Get powerful contact control of grass and broadleaf weeds, including barnyardgrass, fall panicum, foxtails, morningglory, sandbur, Italian ryegrass, broadleaf signalgrass, pigweed and other tough emerged weeds.

Residual Control Keeps Crops Clean Until Harvest

Steadfast® Q features longer-lasting residual control to see corn through to a clean harvest.

Built-In Safener Adds Flexibility

The “Q” stands for built-in safener technology that provides the flexibility to confidently apply Steadfast® Q under diverse weather conditions, across more hybrids and with a wide range of adjuvants.

Daily Field Reports

Product Information

Product Data Sheets (1)


  • TruChoice® Program: Midwest

  • Daily Field Reports

  • Mode of Action vs. Site of Action

  • Count on DuPont

    Count on DuPont is a promise to be there for you — today and in the future. It’s our commitment to helping you succeed for the long term. And it's your assurance that you're getting the tested and proven quality of our land management products, the support and program you can rely on, and our in-depth knowledge of local crop protection and land management concerns.

  • Steadfast® Q for Italian Ryegrass

    Increased no-till and reduced-till production has led to numerous benefits for corn growers, but it also has contributed a shift in the weed spectrum. For example, Italian ryegrass has become a significant problem in many fields.


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