Brand new unopened gallon of Callisto herbicide. The item "Syngenta Callisto herbicide 1 gallon Mesotrione 40%" is in sale since Monday, September 3, 2018. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Weed & Pest Control\Weed Control\Herbicides & Fungicides". The seller is "z6033" and is located in Tyler, Minnesota. This item can be shipped to United States.