Gordon's Trimec Lawn Weed Killer, 1-gallon concentrate, is a powerful 3-way herbicide blend that effectively eliminates over 230 broadleaf weeds, including dandelion and clover, without harming most lawn grasses when used as directed. This economical choice is ideal for large lawn areas, with one gallon covering 32,000 square feet for northern grasses and 64,000 square feet for southern grasses. The concentrated formula is easy to use and can be applied with a sprayer.