Signalgrass

When no other herbicide gives long-term control of broadleaf weeds and grasses

and apply it any time of season on crops

Target ant mounds using an Orthene PCO drench

Oust Extra Weed Killer Herbicide Size:4 lb Jug EPA Reg No 352-622 SignalgrassWhere to Use Oust Extra Herbicide Use Oust Extra Herbicide on noncrop sites only, not on home lawns or walkways. It's labeled for use on industrial sites and conifer plantations for the control and prevention of invasive weed species. Although you cannot apply Oust Extra directly to water, you can treat bogs and other aquatic sites once the water has receded. Target Weeds When it's applied at labeled rates, Oust Extra Herbicide targets more than 100