Gordon's Barrier Year-Long Vegetation Killer ConcentrateKills: Tough weeds, brush, and grasses; prevents new growth for up to one year.Where to use: Apply where no vegetation is desired; in areas such as fencerows, driveways, around residential buildings, propane tanks, around residential storage areas, parking areas, patios, pathways, and more.Amount to use: Mix 18 fl. oz. of product with 3-5 gallons of water to cover 1,000 sq. ft.Coverage: This one gallon bottle treats 7,100 sq. ft.Active ingredients:Imazapyr, isopropylamine salt: 1.74%Glyphosate, isopropylamine salt: 3.82%DOES NOT SHIP TO AK