10 Best Weed Killer For Lawns 2025 in the United States

Scotts Turf Builder Weed & Feed3 is a dual-purpose product that combines a weed killer and a lawn fertilizer. It effectively controls over 50 types of common lawn weeds, such as dandelion and clover, which can help improve the health and appearance of your lawn. The product is applied in granular form and covers up to 5,000 square feet, making it suitable for medium to large lawns.

It should be applied to a wet lawn when weeds are actively growing, typically in temperatures between 60°F and 90°F for optimal results. This product is compatible with various lawn types, including Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass, making it versatile for different regions and grass varieties.

One notable drawback is its unavailability in Florida, which could be a limitation for users in that state. Additionally, users should be mindful of the active chemical ingredients, 2,4-D and Mecoprop, which may raise concerns for those looking for more environmentally friendly options. Safety measures should be taken to avoid exposure, particularly for pets and children. Scotts Turf Builder Weed & Feed3 offers a convenient solution for tackling both weeds and lawn nourishment, but potential buyers should consider their specific lawn needs and safety preferences.

Scotts Halts Crabgrass & Grassy Weed Preventer is a pre-emergent weed killer designed to stop the germination of various lawn weeds. This product is effective against crabgrass, foxtail, spurge, barnyardgrass, and several others listed, making it highly versatile. Its strength lies in its ability to be applied in both early spring and fall, providing seasonal coverage and protection. Additionally, weather conditions such as rain, snow, or freezing temperatures do not impact its efficacy once applied, which adds to its reliability.

It is suitable for a wide range of grass types, except for Dichondra or Bentgrass, making it a good option for most lawns. The 20.12-pound bag covers up to 10,000 square feet, which is generous coverage for larger lawns. However, this product is not suitable for use in California due to restrictions on moss control. Also, like many chemical weed killers, there may be environmental and safety concerns, so it is essential to follow application instructions carefully to minimize any potential negative impact.

Scotts Halts Crabgrass & Grassy Weed Preventer is a versatile and reliable option for preventing a variety of weeds in most lawn types, with the convenience of seasonal application, though users should be mindful of its environmental impact and specific regional restrictions.

The Scotts Turf Builder Bonus S Southern Weed & FeedF2 is a combination weed killer and lawn fertilizer designed specifically for Southern lawns, particularly in Florida. It is effective against a variety of common weeds such as dollarweed, clover, and dandelion, helping to thicken the grass and prevent future weed growth. The granule form requires immediate watering after application and is best used when grass and weeds are actively growing.

It's compatible with specific Southern grass types like St. Augustinegrass, Centipedegrass, Zoysiagrass, and Carpetgrass. However, it is not suitable for other grass types, which limits its versatility. Users must also consider the necessity of proper timing and watering for optimal effectiveness. On the positive side, it provides substantial coverage of up to 5,000 sq. ft. The product is sold only in Florida, which can be a drawback for users in other regions.

This product is ideal for those with the specified grass types in Florida seeking a dual-action weed control and lawn fertilization solution.