10 Best Weed Killer For Dandelions In Lawn 2025 in the United States

Scotts Turf Builder Weed & Feed3 is a dual-purpose product that not only kills weeds like dandelions, clover, and over 50 other listed lawn weeds but also fertilizes your lawn to promote thick, healthy grass. This product is in granule form and contains active ingredients 2,4-D and Mecoprop, which are effective in weed control. It covers a substantial area of 5,000 sq. ft. per 14.29 lb. bag, making it suitable for medium to large lawns.

You should apply it to a wet lawn when weeds are actively growing and when the temperatures are between 60°F and 90°F for best results. The product can be used on various types of grass such as Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass. However, it's worth noting that it is not available in Florida, which may limit its availability for some users.

If you're looking for an all-in-one solution to manage weeds and nourish your lawn, Scotts Turf Builder Weed & Feed3 is a solid option, but be mindful of proper application to maximize its benefits.

Scotts Liquid Turf Builder with Plus 2 Weed Control is a liquid weed killer and fertilizer, designed to target a range of broadleaf weeds, including dandelions, while providing a nitrogen boost to your lawn. This ready-to-spray product is convenient for use when weeds are actively growing and covers a considerable area—6,000 sq. ft. for warm season lawns and 4,000 sq. ft. for cool season lawns.

It's suitable for various types of grasses like Bluegrass, Fescue, Ryegrass, and others listed, making it versatile for different lawn types. One of its strong points is the dual functionality of weed control and fertilization, simplifying lawn care routines by combining two tasks into one application. The active ingredient is nitrogen, which helps promote lawn growth while tackling weeds.

Scotts Liquid Turf Builder with Plus 2 Weed Control is a practical choice for those looking to manage broadleaf weeds and enhance their lawn's growth simultaneously. Users should consider potential environmental factors and rainfastness when choosing this product.

Scotts Turf Builder Triple Action is a multi-purpose lawn care product designed to kill existing weeds, prevent new weed growth, and fertilize your lawn. It boasts a three-in-one formula that targets dandelions, clover, and other common lawn weeds while also preventing crabgrass for up to four months. This makes it particularly useful for those looking to maintain a weed-free and lush lawn. Its active ingredients, Pendimethalin and Dicamba, are effective in controlling a broad spectrum of weeds.

The product is easy to apply using a Scotts spreader on a wet lawn, and it covers up to 4,000 square feet, making it suitable for medium-sized lawns. It is also formulated to be used on various types of grass, including Kentucky Bluegrass, Bermudagrass, and Tall Fescue, providing versatility in different lawn types. One of its strengths is that it not only targets weeds but also feeds the grass, promoting a healthier and thicker lawn.

However, there are some drawbacks. The product needs to be watered in after 24 hours, which requires careful timing and planning, especially during periods of unpredictable weather. Additionally, while it prevents crabgrass, it does not kill existing crabgrass, which may require a separate treatment if your lawn is already affected. The environmental impact is another consideration, as the active ingredients can be harmful to the surrounding ecosystem if not used correctly. In summary, Scotts Turf Builder Triple Action is a powerful and versatile option for those looking to tackle dandelions and other common lawn weeds while also promoting lawn health, but it requires careful application and consideration of environmental factors.