15 Best Weed Killers for Lawns to Keep Your Yard Pristine and Weed-Free

I've compiled the 15 best weed killers to maintain your yard pristine and weed-free. Ortho WeedClear with visible results in hours covers 16,000 sq. ft. Spectracide Weed Stop tackles over 470 weed types. Scotts Turf Builder kills 50+ weeds. Southern Ag Amine 2,4-D guarantees swift elimination. Scotts Turf Builder Bonus S prevents specific weeds and promotes grass growth. Consider Ortho GroundClear for tough weeds and grasses, Scotts Halts Crabgrass for prevention, and Roundup Ready-To-Use for up to 12 months of weed control. Factors like grass type compatibility and application methods matter. Prioritize weed killers that deter regrowth for lasting effectiveness.

Key Takeaways

• Choose weed killers based on coverage area, visibility of results, and safety for people and pets.
• Consider specialized features like rainfast formulas, prevention of weed germination, and effectiveness against specific weed types.
• Look for fast-acting formulas suitable for different surfaces and grass types.
• Prioritize biodegradable options for environmentally safe weed control.
• Compare prices, coverage, residual effects, and user feedback for long-term weed control effectiveness.

Ortho WeedClear Weed Killer for Lawns (32 oz.)

Ortho WeedClear Weed Killer for Lawns (32 oz.) is the best choice for homeowners looking to effectively eliminate common lawn weeds without harming their grass. This liquid herbicide comes in a 32-ounce bottle and covers up to 16,000 square feet, making it suitable for various lawn sizes.

With active ingredients targeting over 250 common weeds like dandelions, clover, and chickweed, it offers visible results within hours of application. Users have noted its effectiveness, although some observed varying results based on the weed type and growth stage.

To use, simply attach a garden hose to the sprayer, adjust the nozzle, and apply when weeds are actively growing. Once dry, it's safe for people and pets to re-enter the treated area. For precise application, users recommend adding a wand and ensuring thorough coverage for the best weed control.

Best For: Homeowners with large lawns seeking effective weed control without harming grass.

Pros:

• Covers up to 16,000 square feet, suitable for various lawn sizes.
• Visible results within hours of application.
• Safe for people and pets after drying.

Cons:

• Varying effectiveness on different weed types.

Spectracide Weed Stop For Lawns Plus Crabgrass Killer, 1 Gallon

For those seeking a reliable solution to combat a wide range of weeds, Spectracide Weed Stop For Lawns Plus Crabgrass Killer, 1 Gallon offers effective control without harming the lawn when applied correctly.

This powerful weed killer targets over 470 weed types, including common nuisances like dandelion, chickweed, clover, crabgrass, and yellow nutsedge. With visible results in as little as 5 hours, it works by killing weeds on contact and at the roots.

It's important to apply this product between 45°F-90°F for best effectiveness and to prevent damage to desirable grass. While it becomes rainproof within a few hours post-application, careful spraying is necessary to avoid harming the lawn.

Users have reported visible improvements within days, particularly in controlling crabgrass and nutsedge, although some may require multiple applications for complete eradication.

Best For: Those dealing with a variety of weed types in their lawn who seek visible results in a short time frame.

Pros:

• Effective in killing over 470 weed types, including crabgrass and nutsedge.
• Visible results in as little as 5 hours.
• Easy to mix and apply with a sprayer for treating large areas.

Cons:

• Some users may experience delayed results and may need multiple applications.

Scotts Turf Builder Weed & Feed3 (5,000 sq. ft., 14.29 lbs.)

When targeting a broad range of lawn weeds while simultaneously nourishing the grass, Scotts Turf Builder Weed & Feed3 (5,000 sq. ft., 14.29 lbs.) stands out as an effective choice. This product is designed to kill existing weeds and feed the lawn to prevent future weed growth.

With the ability to control over 50 listed lawn weeds like clover and dandelion, it caters to various grass types. Each 14.29 lb. bag can cover up to 5,000 sq. ft., making it suitable for medium-sized lawns. While customer reviews vary on its effectiveness, some users have reported success in controlling weeds and improving lawn health.

It's recommended to apply this product to a wet lawn when weeds are actively growing and temperatures range between 60°F and 90°F for best results.

Best For: Homeowners with medium-sized lawns looking to effectively control a variety of weeds and improve lawn health.

Pros:

• Kills existing weeds and feeds the lawn simultaneously.
• Controls over 50 listed lawn weeds.
• Quick results observed by users, with some seeing significant improvements in lawn appearance.

Cons:

• Mixed effectiveness reported by users.

Ortho WeedClear Lawn Weed Killer Ready to Spray: For Northern Lawns, 32 oz.

As a lawn owner in Northern regions, this weed killer is effective against a wide range of broadleaf weeds without damaging your grass. Ortho WeedClear Lawn Weed Killer Ready to Spray is specifically formulated to target major broadleaf weeds like dandelion, chickweed, and crabgrass while being safe for various grass types such as Bermudagrass, Buffalograss, and Tall Fescue.

With visible results in just a few hours and rainproof protection within 1 hour, this product makes weed control quick and efficient. The attached sprayer allows for easy application, covering up to 5,000 square feet. Users have praised its effectiveness in eliminating weeds without causing harm to the lawn, although some recommend precise adherence to the instructions provided for best outcomes.

Best For: Homeowners in Northern regions looking for an effective weed killer that targets broadleaf weeds without harming their grass.

Pros:

• Visible results within hours of application
• Safe for various grass types including Bermudagrass and Tall Fescue
• Easy application with attached sprayer covering up to 5,000 sq. ft.

Cons:

• May require multiple applications in some cases

Southern Ag Amine 2,4-D WEED KILLER, 32oz – Quart

With its low, economical use rate and effectiveness in controlling broadleaf weeds and woody plants, the Southern Ag Amine 2,4-D WEED KILLER, 32oz – Quart is a top choice for those seeking powerful weed control solutions for their lawns.

This concentrated formula, tested on a 1-acre yard with positive results, requires a cautious approach due to its potency. It works swiftly, effectively eliminating weeds within days, particularly targeting dandelions, creeping charley, and other broadleaf plants.

Users have reported positive experiences with its weed-killing abilities, emphasizing the importance of following application instructions meticulously. Although there have been cautionary tales about unintended consequences on specific plants and mixed feedback regarding its impact on grassy weeds, the long-lasting effects of this product on weed control make it a promising option for maintaining a pristine lawn.

Best For: Homeowners looking for an effective and economical solution for controlling broadleaf weeds and woody plants in their lawns.

Pros:

• Swift and effective weed elimination within days
• Long-lasting effects on weed control
• Concentrated formula with low use rate

Cons:

• Mixed feedback on its impact on grassy weeds

Spectracide Large Plot Weed Stop for Lawns Concentrate, 1 Gallon

For homeowners seeking a highly effective solution to combat over 200 types of weeds in their lawn, the Spectracide Large Plot Weed Stop for Lawns Concentrate, 1 Gallon stands out as a top choice. This powerful weed killer is rainproof in hours, making it a reliable option even if the weather forecast isn't on your side.

With the ability to treat up to 32,000 square feet of Northern grasses or 42,500 square feet of Southern grasses, this concentrated formula goes a long way in keeping your lawn pristine. The product dimensions are 7.16 x 11.68 x 4.52 inches, and it weighs 8.99 pounds.

Manufactured by United Industries in the USA, this weed killer has received positive feedback for its effectiveness, although some users have reported it not working as expected.

Best For: Homeowners with large lawns looking for an effective weed killer that can treat a wide range of weed types.

Pros:

• Kills over 200 types of weeds effectively.
• Rainproof in hours for reliable performance.
• Treats a large area of up to 32,000 sq ft of Northern grasses or 42,500 sq ft of Southern grasses.

Cons:

• Some users have reported the product not working as expected.

Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400

The Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400, is an excellent choice for homeowners seeking thorough and effective weed control without harming their lawn grasses. This product offers visible results within hours, allowing you to reseed your lawn in just two weeks. With the ability to cover 14,000 to 18,000 square feet, it provides extensive weed control.

One of its key features is its effectiveness without damaging your grass. It performs well in cool weather conditions, ensuring year-round applicability. While it's restricted in some states, its overall performance and user feedback are positive, making it a popular choice for those looking to maintain a weed-free lawn without compromising the health of their grass.

Best For: Homeowners seeking rapid and effective weed control without damaging their lawn grasses.

Pros:

• Rapid visible results
• Covers large area
• Effective weed control

Cons:

• Overly effective attracting attention

Ortho GroundClear Super Weed & Grass Killer with Comfort Wand (1 gal)

Ideal for those needing a fast-acting solution against a wide range of tough weeds and grasses, the Ortho GroundClear Super Weed & Grass Killer with Comfort Wand offers effective control with its dual-action formula.

This product is designed to kill 175 types of weeds and grasses swiftly, with its fast-acting formula becoming rainfast just 15 minutes after application. The Comfort Wand provides continuous spray for easy and accurate application, ensuring targeted coverage.

Users have reported positive feedback on its effectiveness along fence lines, in alleys, and on landscape stones. While some mixed reviews exist regarding complete weed eradication, the overall satisfaction with this product's performance is notable.

With competitive pricing and the option for price matching, the Ortho GroundClear Super Weed & Grass Killer provides a convenient and efficient solution for keeping your yard weed-free.

Best For: Homeowners looking for a fast-acting and effective solution to control a wide range of tough weeds and grasses in their yard.

Pros:

• Dual-action formula for killing tough weeds and grasses
• Fast-acting formula with rainfast feature
• Continuous spray Comfort Wand for easy and accurate application

Cons:

• Mixed reviews on complete weed eradication

Scotts Halts Crabgrass & Grassy Weed Preventer (5,000 sq. ft., 10.06 lbs.)

When considering weed killers for lawns, one standout feature of the Scotts Halts Crabgrass & Grassy Weed Preventer is its ability to prevent the germination of listed lawn weeds, making it a dependable choice for maintaining a healthy lawn. This product is designed to prevent the growth of various weeds like crabgrass, foxtail, spurge, and barnyardgrass, providing thorough weed control.

It's suitable for all grass types except Dichondra or Bentgrass, covering an area of 5,000 sq. ft. The application is recommended in early spring or fall on a dry lawn, and adverse weather conditions like rain, snow, or freezing temperatures after application don't impact its performance. Keep in mind that this product controls crabgrass in its early stages of growth and doesn't work on mature crabgrass or existing weeds.

For best results, follow the application directions carefully and consider additional lawn care tips to maintain a weed-free yard.

Best For: Homeowners looking for an effective weed preventer to maintain a healthy lawn without Dichondra or Bentgrass.

Pros:

• Prevents germination of listed lawn weeds effectively.
• Suitable for all grass types except Dichondra or Bentgrass.
• Covers a substantial area of 5,000 sq. ft.

Cons:

• Does not control mature crabgrass or existing weeds.

Ortho GroundClear Year Long Vegetation Killer1 – Concentrate, 2 gal

For effective and immediate weed control in lawns and other outdoor areas, consider the Ortho GroundClear Year Long Vegetation Killer1 concentrate. This 2-gallon formula is designed to kill weeds and prevent re-growth for up to 1 year with just one application.

The fast-acting solution starts working within 3 hours, effectively killing tough weeds down to the root when used as directed. It can be easily applied using a tank sprayer on surfaces like driveways, sidewalks, gravel areas, and more.

While some users reported successful results, others mentioned limitations in longevity and selective effectiveness on certain weeds. Overall, the product has received mixed reviews regarding its performance and lasting control.

Best For: Those looking for fast-acting weed control and immediate results in outdoor areas.

Pros:

• Fast-acting formula starts working in 3 hours.
• Effective at killing tough weeds down to the root.
• Can be applied with a tank sprayer on various surfaces.

Cons:

• Limited longevity in preventing weed re-growth.

Roundup for Lawns Ready-to-Use Weed Killer (Northern Grasses)

The Roundup for Lawns Ready-to-Use Weed Killer (Northern Grasses) is a potent solution for homeowners seeking effective weed control on Northern grasses like Bluegrass, Fescue, and Zoysia. This product kills 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge.

It's designed for easy use on Northern grasses and starts working immediately, with rainproof protection in just 3 hours. The weed control lasts for up to 3 months, making it a convenient choice for maintaining a pristine lawn.

Roundup For Lawns₁ is formulated to target weeds down to the roots, ensuring thorough elimination. With an easy-to-use extendable spray wand, this product offers homeowners a hassle-free way to tackle weed problems effectively and efficiently.

Best For: Homeowners with Northern grass lawns looking for a convenient and effective weed killer solution.

Pros:

• Kills 253 types of weeds, including crabgrass and dandelion.
• Rainproof in 3 hours, providing quick protection.
• Easy-to-use extendable spray wand for precise application.

Cons:

• Some users experienced the product not working effectively for them.

Natural Elements Weed Killer (1 Gallon)

A natural and safe weed killer derived from vinegar, the Natural Elements Weed Killer (1 Gallon) is ideal for those seeking a pet and family-friendly solution for lawn maintenance. This product is made without harmful herbicides, making it a safe option for use around lawns, gardens, flowerbeds, trees, and more.

The ready-to-use formula requires no mixing, ensuring precise application with no drift. Simply spray the weeds until wet, and watch them wilt away. While effective, it does have a strong vinegar smell that may cause skin irritation and could stain patio bricks.

Users have reported fast weed-killing results, praising its safety for pets and families. Some have recommended using a separate sprayer wand for easier application.

Best For: Individuals looking for a natural and pet-friendly weed killer solution for their lawn and garden maintenance needs.

Pros:

• Safe for pets and families, with no harmful herbicides.
• Effective on most broadleaf weeds and grasses.
• Ready-to-use formula for easy application with no mixing required.

Cons:

• Strong smell of vinegar that may cause skin irritation.

Scotts Turf Builder Bonus S Southern Weed & Feed2, Weed Killer and Lawn Fertilizer, 5,000 sq. ft

Ideal for those with St. Augustinegrass, Centipedegrass, Zoysiagrass, or Carpetgrass, the Scotts Turf Builder Bonus S Southern Weed & Feed2 effectively targets weeds while nourishing your lawn for stronger roots. This product comes in a 17.24 lb. bag that covers 5,000 sq. ft., making it suitable for medium-sized lawns.

Users have reported mixed experiences, with some noticing delayed weed control activation when applied too early. However, once activated, it effectively kills a variety of weeds like dollarweed, clover, dandelion, and chickweed while promoting grass growth.

To get the best results, apply this product on a dry lawn with actively growing grass and weeds, and remember to water it in immediately. Overall, the Scotts Turf Builder Bonus S Southern Weed & Feed2 offers a reasonable price for its weed-killing and lawn-nourishing capabilities.

Best For: Those with St. Augustinegrass, Centipedegrass, Zoysiagrass, or Carpetgrass looking for effective weed control and lawn nourishment in one product.

Pros:

• Kills a variety of weeds like dollarweed, clover, dandelion, and chickweed.
• Promotes strong root growth in grass.
• Reasonably priced for the results obtained.

Cons:

• Some users experienced delayed weed control activation.

Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate

For those seeking a fast-acting solution against crabgrass and a wide range of weeds, Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate presents a dependable option. This product is designed to target weeds without harming your lawn, boasting control over 470+ types of weeds. Its rainproof formula guarantees effectiveness even after a downpour, and a 40-ounce bottle can treat up to 6,250 square feet of lawn.

User experiences vary, with some noting visible results within hours, especially against crabgrass. However, there have been mentions of the need for multiple applications for best outcomes.

To use this product effectively, it's recommended to cut the grass short before application, water the grass, and apply using a 2-gallon sprayer with specific measurements. Additionally, repeated treatments might be necessary for stubborn crabgrass.

Best For: Homeowners looking for a fast-acting solution against crabgrass and a wide range of weeds without harming their lawn.

Pros:

• Effective within 8 hours
• Best for killing crabgrass
• Visible results in lawn quality

Cons:

• Unclear instructions on product usage

Roundup Ready-To-Use Max Control 365 with Comfort Wand

Killing and preventing weeds for up to 12 months, Roundup Ready-To-Use Max Control 365 with Comfort Wand is a top choice for lawn owners seeking long-lasting effectiveness. This product creates an invisible barrier in the soil, ensuring that weeds don't stand a chance for an extended period. Rainproof in just 30 minutes, it delivers visible results within 12 hours of application.

With active ingredients like Glyphosate, Imazapic, and Diquat, this no-mix formula is easy to apply using the Comfort Wand on driveways, patios, sidewalks, and gravel areas. Customers praise its efficiency in tackling stubborn weeds with fast results. While it's potent against weeds, caution is advised as it can harm any green plant.

For those looking to maintain walkways and prevent regrowth, this product is a valuable solution.

Best For: Homeowners and property owners looking for a long-lasting weed control solution with fast results.

Pros:

• Provides up to 12 months of weed control
• Visible results in just 12 hours
• Easy application with the Comfort Wand on various surfaces

Cons:

• May harm any green plants, so caution is needed

Factors to Consider When Choosing Weed Killer for Lawn

When selecting a weed killer for your lawn, it's crucial to take into account key features like targeted weed types, coverage area, and user experiences.

Timing your application correctly can also impact the effectiveness of the weed killer.

Key Weed Killer Features

Considering the active ingredients in a weed killer is crucial for effective weed control in your lawn. Look for products containing ingredients like glyphosate or 2,4-D, known for their potency against weeds.

Make sure the weed killer you choose is rainproof to maintain its efficacy even after being exposed to water. Assess the coverage area of the product to confirm it can adequately treat the size of your lawn.

Select a weed killer that's compatible with your grass type to avoid unintended damage to your lawn while targeting weeds. Evaluate different application methods available, such as hose-end sprayers or concentrated formulas requiring mixing, to determine which option suits your needs for ease of use and precise application.

Application Timing Tips

To guarantee effective weed control in your lawn, it's essential to time the application of the weed killer strategically during the active growth period of weeds. Timing plays a significant role in the success of weed killer application.

For best results, consider applying the weed killer in early spring or fall when weeds are actively growing. Avoid using weed killer during extreme weather conditions such as high temperatures or heavy rainfall, as this can reduce its effectiveness.

It's important to make sure that the lawn is dry before applying the product to allow it to work efficiently. Following the instructions on the product label regarding application timing can lead to better outcomes in weed control.

User Experience Insights

Choosing the right weed killer for your lawn involves considering user experiences that highlight effectiveness, ease of use, and impact on different weed types. Users may report varying results with different products, emphasizing the need to select a weed killer suitable for local conditions.

Some users find certain weed killers more effective in specific regions or climates. Feedback often includes insights on the duration of weed control, with some users noting the necessity for repeated applications for lasting results. User reviews may touch on safety aspects, such as pet and child-friendliness, environmental impact, and risks to other plants.

Recommendations from users might also provide valuable application tips, timing considerations, and overall satisfaction levels with the weed killer's performance.

Targeted Weed Types

Identify the specific types of weeds present in your lawn to determine the most suitable weed killer for effective treatment. When choosing a weed killer, consider if it targets common lawn weeds like dandelions, crabgrass, clover, and chickweed.

Look for products that can effectively tackle both broadleaf and grassy weeds for thorough coverage. Additionally, make sure that the weed killer is compatible with the type of grass in your lawn to avoid damaging your turf.

It's important to prioritize safety, so opt for products that are safe for use around children, pets, and the environment. By targeting the specific types of weeds in your lawn, you can select a weed killer that will effectively eliminate them while keeping your yard healthy and weed-free.

Coverage Area Considerations

Considering the square footage coverage provided by a weed killer is important when selecting the right product for treating your lawn effectively. It's vital to match the size of your lawn to the coverage area specified on the product.

By understanding how many square feet a weed killer can treat, you can estimate the amount needed for proper weed control. Check the product label for this information to make an informed decision.

Opt for a weed killer that offers sufficient coverage for your lawn's size to guarantee thorough weed treatment. Selecting a product with ample coverage ensures that all areas of your lawn are treated, helping you achieve a weed-free yard.

Eco-Friendly Options

When seeking an eco-friendly weed killer for your lawn, prioritizing products with natural ingredients like vinegar, citrus oils, or essential oils can be a beneficial choice. These options are often safe for pets, children, and the environment.

Eco-friendly weed killers are designed to be biodegradable, reducing the risk of groundwater contamination. Despite being gentle, these products can effectively control common weeds without the use of harsh chemicals.

Choosing a natural weed killer can provide a safer alternative for your lawn and the environment. Consider these eco-friendly options if you're looking to maintain a weed-free yard while being conscious of the impact on nature and those around you.

Price Comparison Options

When evaluating weed killer options for your lawn, it's important to factor in price comparisons alongside considerations like coverage area and effectiveness.

Look for price matching options to make sure you get the best deal on weed killer products. Check both online and offline prices to find the most cost-effective option. Some manufacturers even offer price matching feedback forms for customers to report lower prices.

Remember to take into account factors such as coverage area, effectiveness, and longevity when comparing prices. Utilize customer feedback and reviews to assess the value of the product in relation to its price.

Long-Term Effectiveness Factors

In order to guarantee long-lasting weed control for your lawn, prioritize evaluating the residual effects and active ingredients of the weed killer product. Look for products that not only eliminate existing weeds but also prevent regrowth for an extended period after application.

By examining the active ingredients, make sure that the weed killer targets a wide range of weeds to maintain sustained effectiveness. Check for rainfast properties to guarantee that the product remains potent even after exposure to water or rain.

Additionally, consider user reviews and feedback to gauge the product's ability to deliver lasting weed control results over time. These factors play an important role in selecting a weed killer that will keep your yard pristine and weed-free for the long term.

Frequently Asked Questions

Can These Weed Killers Be Used Around Pets and Children?

Yes, weed killers can pose risks to pets and children if not used properly. Following instructions on the product label diligently is crucial.

Some weed killers are safer for pets and children once dried, but it's best to keep them away during application. Always store these products out of reach in a secure location.

To minimize exposure, consider using natural alternatives or spot-treating weeds instead of blanket applications.

How Long Does It Take for the Weed Killer to Show Results?

I've noticed that the weed killer usually takes about 1 to 2 weeks to really start showing results. It's like watching a slow-motion battle between the weed killer and the weeds in your yard. Initially, there mightn't be much change, but as time passes, you'll gradually see those pesky weeds wilting and dying off.

Just make sure to follow the instructions carefully to guarantee the best outcome for your lawn.

Are These Products Safe for Use on All Types of Grass?

It's crucial to carefully read and follow the manufacturer's instructions to prevent any potential damage to your lawn when using these weed killers. Different products may have specific guidelines for application on certain grass varieties, so it's best to double-check before use.

Can These Weed Killers Be Used Near Water Sources?

Yes, weed killers shouldn't be used near water sources as they can contaminate water supplies and harm aquatic life.

It's essential to follow the instructions on the product labels to prevent any runoff into water bodies.

When applying weed killers near lawns close to water sources, consider using organic alternatives or spot-treating weeds instead of widespread application to minimize environmental impact.

Always prioritize protecting water sources when using any lawn care products.

Do These Weed Killers Have Any Specific Application Instructions for Best Results?

When applying weed killers, following specific instructions is essential for best results. Different products may require varying techniques, such as application timing, dilution ratios, or post-treatment care. Always read the label carefully to understand the proper usage guidelines.

Ignoring these instructions can lead to ineffective weed control or even harm to desired plants. Taking the time to apply the weed killer correctly guarantees a successful outcome in maintaining a pristine and weed-free lawn.

Conclusion

In the vast sea of weed killers for lawns, choosing the right one can be a challenging task. However, with the right product and proper application, you can keep your yard pristine and weed-free.

Remember, a well-maintained lawn is like a blank canvas waiting to be painted with the vibrant colors of nature. So, choose wisely and watch your yard flourish like a work of art.