Poast Herbicide - 2.5 Gallons, Sethoxydim 18% by BASF NEW Sealed Container. The item "Poast Herbicide 2.5 Gallons, Sethoxydim 18% by BASF NEW Sealed Container" is in sale since Monday, January 7, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Weed & Pest Control\Weed Control\Herbicides & Fungicides". The seller is "snydersjunkyard" and is located in Pennsburg, Pennsylvania. This item can be shipped to United States.