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

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Our Top Picks

#1

Winner

Scotts Turf Builder Weed & Feed3, Weed Killer Plus Lawn Fertilizer, Controls Dandelion and Clover, 5,000 sq. ft., 14.29 lbs.

Rating
10.0
Chosen by1,203
Application Method
Coverage Area

Most important from
31968 reviews

Application Method
Easy application process with clear, user-friendly instructions.
Coverage Area
Generous coverage area of 5,000 sq. ft. makes it cost-effective for larger lawns.

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.

Rating
10.0
Chosen by1,203
Application Method
Coverage Area

Most important from
31968 reviews

Application Method
Easy application process with clear, user-friendly instructions.
Coverage Area
Generous coverage area of 5,000 sq. ft. makes it cost-effective for larger lawns.
#2

Scotts Liquid Turf Builder with Plus 2 Weed Control, Liquid Weed Killer and Fertilizer, 32 fl. oz.

Rating
10.0
Application Method
Coverage Area

Most important from
31968 reviews

Application Method
Easy application with clear instructions and no need for special equipment makes the process straightforward.
Coverage Area
Generous coverage area makes it suitable for larger lawns, treating a significant portion with a single application.

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.

Rating
10.0
Application Method
Coverage Area

Most important from
31968 reviews

Application Method
Easy application with clear instructions and no need for special equipment makes the process straightforward.
Coverage Area
Generous coverage area makes it suitable for larger lawns, treating a significant portion with a single application.
#3

Scotts Turf Builder Triple ActionI, Weed Killer and Preventer Plus Lawn Fertilizer, 4,000 sq. ft., 11.31 lbs.

Rating
9.8
Application Method
Coverage Area

Most important from
1926 reviews

Application Method
Easy to apply—no special skills required, just sprinkle it and let it work its magic.
Coverage Area
Covers 4,000 sq. ft. of your lawn—basically, it’ll make your neighbors wonder what kind of wizardry you’re using.

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.

Rating
9.8
Application Method
Coverage Area

Most important from
1926 reviews

Application Method
Easy to apply—no special skills required, just sprinkle it and let it work its magic.
Coverage Area
Covers 4,000 sq. ft. of your lawn—basically, it’ll make your neighbors wonder what kind of wizardry you’re using.

Buying Guide for the Best Weed Killer For Dandelions In Lawn

Choosing the right weed killer for dandelions in your lawn can make a significant difference in maintaining a healthy and beautiful yard. The key is to understand the different types of weed killers available and how they work, as well as considering factors like the size of your lawn, the severity of the dandelion problem, and any environmental concerns you may have. By focusing on the key specifications, you can find a product that effectively targets dandelions without harming your grass or other plants.
Type of Weed KillerWeed killers come in various types, including selective, non-selective, pre-emergent, and post-emergent. Selective weed killers target specific weeds like dandelions without harming your grass, making them ideal for lawns. Non-selective weed killers kill all plants they come into contact with and are better suited for areas where you want to clear all vegetation. Pre-emergent weed killers prevent weed seeds from germinating, while post-emergent weed killers target existing weeds. For dandelions in a lawn, a selective post-emergent weed killer is usually the best choice.
Active IngredientsThe active ingredients in a weed killer determine its effectiveness and safety. Common active ingredients for dandelion control include 2,4-D, dicamba, and MCPP. These chemicals are designed to target broadleaf weeds like dandelions without harming grass. It's important to read the label to ensure the product is safe for your type of grass and to follow the application instructions carefully. If you have pets or children, you may also want to consider organic or less toxic options.
Application MethodWeed killers can be applied in various ways, including sprays, granules, and concentrates. Sprays are easy to apply and allow for spot treatment of individual dandelions. Granules are spread over the entire lawn and are activated by watering, making them suitable for larger areas. Concentrates need to be mixed with water and applied with a sprayer, offering flexibility in application rates. Choose the method that best fits the size of your lawn and the severity of the dandelion infestation.
Coverage AreaThe coverage area of a weed killer indicates how much lawn area the product can treat. This is usually measured in square feet or acres. It's important to know the size of your lawn to ensure you purchase enough product to cover the entire area. For small lawns, a ready-to-use spray bottle may be sufficient, while larger lawns may require a concentrate or granules. Always follow the manufacturer's recommendations for application rates to avoid overuse or underuse.
RainfastnessRainfastness refers to how quickly a weed killer becomes resistant to being washed away by rain or watering. This is important because if it rains shortly after application, the effectiveness of the product can be reduced. Look for products that are rainfast within a few hours to ensure they remain effective even if unexpected rain occurs. This is particularly important in regions with unpredictable weather.
Environmental ImpactConsider the environmental impact of the weed killer you choose. Some products contain chemicals that can be harmful to beneficial insects, wildlife, or water sources. If you are concerned about the environment, look for eco-friendly or organic weed killers that use natural ingredients to control dandelions. These products may take longer to show results but are generally safer for the environment and non-target plants.

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