10 Best Weed Feed Fertilizer 2025 in the United States

The Roundup Weed & Grass Killer₄ Concentrate is a versatile weed control solution designed for use in various areas of your yard such as flower beds, walkways, and around trees. It is effective against tough weeds like dandelion, crabgrass, poison ivy, clover, and other broadleaf weeds by killing them to the root.

This concentrate is rainproof within 30 minutes and shows visible results within a few hours, making it a fast-acting option for homeowners. It is also flexible in terms of planting, allowing planting from 1 to 30 days after application, depending on the specific instructions in the provided booklet.

This product requires mixing according to label directions and covers up to 1,500 square feet per 16 fluid ounces when applied with a tank or hose-end sprayer. However, it is important to note that this is a liquid form product and may not be as convenient as granular options for some users. Additionally, while effective, its active ingredients—Triclopyr, Triethylamine Salt, Fluazitop-P-Butyl, and Diquat Dibromide—might raise concerns regarding the safety for pets and children, so caution should be exercised.

The Scotts Turf Builder WinterGuard Fall Weed & Feed3 is a granular weed control and fertilizer product designed for fall lawn care. It targets over 50 common lawn weeds such as dandelion, clover, and plantain, making it a good choice for those looking to reduce weed problems before winter. It is especially suited for various grass types like Bermudagrass, Bluegrass, and Fescue, covering up to 4,000 square feet per 11.43-pound bag, which is convenient for medium-sized lawns.

The product should be applied when weeds are actively growing and temperatures range between 60°F and 90°F, preferably on a moist lawn to maximize effectiveness. Being a granular product, it is easy to spread evenly with a spreader. This product is ideal for homeowners wanting a combined weed killer and fertilizer with a focus on fall care.