Jan from Johannesburg writes
The active ingredient in Garlon 4 Ultra Herbicide triclopyr has an average life in the soil for about 30-46 days. Additional information is needed in regards to the specific application site or where it is applied, the application rate and date as well as the type of vegetation, woody plants or target weeds. We would recommend contacting DowAgro Sciences at 800-992-5994 or Corteva at 317-517-5474 for assistance.
Answer last updated on: 02/21/2022