Nufarm Polaris Herbicide controls most tough aquatic brushy weeds, annual and perennial grasses and many brush and vine species in non-cropland areas. Although we cannot recommend this product for applications to healthy trees, or provide information on the timing of kill time to targeted vegetation, the manufacturer Nufarm can be reached directly for technical support by calling 855-280-6609, or by visiting their website's contact page. Please refer to the product label for complete application instructions, and use only as directed.
According to the manufacturer, if applying the product on trees and on the boarder of a pond the Nufarm Polaris Herbicide, it will dilute with the water and have little to no toxicity to any fish or aquatic life. Also, there are no drinking restrictions for livestock that wish to drink from the pond after treating with the Nufarm Polaris Herbicide.
We would recommend contacting Nufarm directly at 1-800-345-3330 for confirmation as we would need more details on the recreational area you are treating. Nufarm Polaris Herbicide cannot be used on lawns, walks, driveways, tennis courts or similar areas. The product label does states for Recreational use of water in treatment area, there are no restrictions for recreational purposes such as swimming or fishing.