10 Best Weed Killers For Lawns 2025 in the United States

Scotts Liquid Turf Builder with Plus 2 Weed Control is a liquid weed killer and fertilizer that combines weed control with lawn nourishment. It is designed to kill various broadleaf weeds, including dandelions, clover, and poison ivy, while providing a nitrogen boost to the lawn. This product is easy to apply with a ready-to-spray formula, targeting active weeds effectively.

It is suitable for several types of grass, such as Bluegrass, Fescue, and Bermudagrass, making it versatile for different lawn types. A 32 fl. oz. container covers up to 6,000 sq. ft. for warm season lawns and 4,000 sq. ft. for cool season lawns, which is fairly efficient coverage. However, users should be mindful of the timing of application, as it is most effective when weeds are actively growing.

Additionally, while the product combines weed control and fertilization, it may not be suitable for those looking for an organic or eco-friendly option, as it contains chemical ingredients. Its dual functionality as both a weed killer and fertilizer can be a strong selling point for those looking to save time and effort in lawn maintenance, but it may require careful handling to avoid potential environmental impact or safety concerns.

The Ortho WeedClear Weed Killer for Lawns is designed to effectively target and eliminate over 250 common lawn weeds, including troublesome varieties like dandelions and clover. This product is a liquid spray and comes with a Comfort Wand applicator, which makes it easy to apply with precise control and no need for pumping. Users will appreciate the quick results, as it shows visible effects within hours and is rainproof after just one hour of drying.

Additionally, it is safe for use around people and pets, who can return to the treated area once the spray has dried. One of the major strengths of this weed killer is its selectivity; it targets weeds while sparing the lawn when used as directed. This is achieved through the use of three proven weed killers. However, it's important to follow the label instructions closely to avoid any potential damage to the lawn. The product covers a substantial area, up to 16,000 square feet, making it suitable for larger lawns.

On the downside, some users may find the product's weight (9.4 pounds) a bit cumbersome, and there are concerns about its environmental impact, as it is a chemical herbicide. Additionally, while the Comfort Wand applicator is a handy feature, it may require careful handling to ensure even application. With a strong customer rating of 4.1 out of 5 stars, it appears to be a reliable choice for those looking to maintain a weed-free lawn with minimal effort.

The Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer is a powerful solution for those seeking long-term weed control. It boasts a dual-action formula that not only kills a wide variety of tough weeds and grasses but also prevents new growth for up to 12 months. This product is particularly effective against common nuisances such as clover, dandelion, crabgrass, and poison ivy, making it versatile for different weed types.

The included Pump 'N Go 2 Sprayer is user-friendly, offering up to 10 minutes of continuous spray with an extendable wand for greater accuracy and ease of use, especially in hard-to-reach areas like cracks and crevices in driveways or sidewalks. Visible results can be seen within hours, and it's rainproof in just 30 minutes, adding to its convenience for users who need quick and lasting effects.

This product is best suited for non-lawn areas, as its strong formula can also damage desirable grass and plants. It offers coverage of up to 400 square feet per 1.33-gallon container, which is substantial but may require multiple applications for larger areas. Safety and environmental impact are considerations; while effective, users should handle with care, following all safety instructions to avoid harm to pets, children, and the surrounding environment.