We get it – finding the best lawn weed killer can be overwhelming. With so many options out there, it’s only natural to wonder which ones truly stand out. But rest assured, after thorough research and testing, we have identified 15 outstanding weed killers that have proven their effectiveness.
But here's the thing – not all weed killers are created equal. So, how do you know which ones are worth your time and money? Well, stick around, because we're about to unveil the most reliable and efficient lawn weed killers that will keep your yard pristine and weed-free without any hassle.
Key Takeaways
- Ortho WeedClear Weed Killer for Lawns is a top choice as it targets common lawn weeds, won't harm grass, and provides visible results in hours.
- Spectracide Weed Stop For Lawns Plus Crabgrass Killer is affordable and effective, killing over 470 types of weeds while protecting the grass.
- Roundup Ready-to-Use Weed & Grass Killer III is a convenient option with quick results, rainproof in 10 minutes and safe for use in vegetable gardens.
- Gordon's SpeedZone Lawn Weed Killer is ideal for larger properties, offering rapid and effective control for common and troublesome weed species in turfgrass.
Ortho WeedClear Weed Killer for Lawns (32 oz.)
Ortho WeedClear Weed Killer for Lawns (32 oz.) is an effective choice for those seeking a weed killer that targets common lawn weeds without harming the grass. It's a ready-to-spray solution that can treat up to 16,000 square feet, providing visible results in hours. This product contains three proven ingredients designed to tackle common lawn weeds like dandelion and clover. One of its key features is that it won't harm the grass when used as directed, and it's rainproof within just one hour of drying. The easy application with a garden hose sprayer makes it convenient to use. However, it's essential to apply when the temperature isn't higher than 90 degrees, and to wear heavy-duty protective glasses and masks for safety. Users have reported both positive and negative feedback, so it's crucial to follow the directions and consider the specific needs of your lawn.
Best For: Homeowners with large lawns who want a convenient and effective solution for targeting common lawn weeds without harming the grass.
Pros:
- Targets common lawn weeds like dandelion and clover
- Won't harm grass when used as directed
- Rainproof in 1 hour upon drying
Cons:
- Takes multiple treatments to work
Spectracide Weed Stop For Lawns Plus Crabgrass Killer, Ready-to-Use (1 Gallon)
Spectracide Weed Stop For Lawns Plus Crabgrass Killer is an effective choice for homeowners looking to eliminate a wide range of weeds without causing harm to their lawn. This ready-to-use formula is designed to kill over 470 types of weeds, including broadleaf and grassy weeds like dandelion, chickweed, clover, crabgrass, and yellow nutsedge.
Visible results can be seen in as little as 5 hours, and it effectively targets weeds without damaging the surrounding grass. It's important to apply the product when daytime temperatures are between 45°F and 90°F for optimal results.
While some users found it to be less aggressive than other weed killers, many were satisfied with its effectiveness and affordable price. It's particularly effective on dandelions and other weeds, making it a popular choice for maintaining a pristine and weed-free lawn.
Best For: Homeowners looking for an affordable and effective weed killer that targets a wide range of weeds without harming the lawn.
Pros:
- Kills over 470 types of weeds, including broadleaf and grassy weeds.
- Visible results in 5 hours.
- Protects the grass while targeting weeds.
Cons:
- May be less aggressive than other weed killers.
Roundup Ready-to-Use Weed & Grass Killer III with Pump N Go 2 Sprayer
For those seeking a convenient, no-mix formula that effectively targets tough weeds and grasses while minimizing harm to edible plants, Roundup Ready-to-Use Weed & Grass Killer III with Pump N Go 2 Sprayer is the best choice. Its rainproof feature in just 10 minutes and visible results in 3 hours make it a standout option. This product lives up to its promise of killing weeds to the root, guaranteeing satisfaction or a refund.
Moreover, it's safe to use in and around vegetable gardens, making it a versatile solution. The Pump N Go 2 Sprayer ensures easy and continuous spraying without the need for mixing or diluting, while the ergonomic design adds to the convenience.
With positive reviews highlighting its effectiveness, convenience, and versatility, this option comes highly recommended for hassle-free weed control and reclaiming your green space.
Best For: Those looking for a convenient, no-mix formula that effectively targets tough weeds and grasses while minimizing harm to edible plants.
Pros:
- Rainproof in 10 minutes
- Visible results in 3 hours
- Safe to use in and around vegetable gardens
Cons:
- May not be suitable for all types of weeds
Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate (32 fl Ounce)
When seeking a lawn weed killer that effectively targets crabgrass and a variety of broadleaf and grassy weeds, look for a product with a rainproof feature and a quick application method. Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate offers both these benefits, making it a convenient choice for tackling stubborn weeds.
With its QuickFlip hose-end sprayer, applying the concentrate is a hassle-free process. Additionally, its rainproof feature ensures that the treatment remains effective even after just 3 hours, providing peace of mind in case of unexpected showers. Users have reported visible results in as little as 5 hours, although some weeds may take longer to die.
While it may not work as effectively on grassy weeds, many have found it to be a focused solution for reclaiming lawns from crabgrass and other persistent weeds.
Best For: Homeowners looking to effectively target crabgrass and a variety of broadleaf and grassy weeds with a rainproof and quick application lawn weed killer.
Pros:
- Concentrate is easy to mix and apply with a sprayer
- Effectively kills crabgrass and other stubborn weeds
- Rainproof feature ensures treatment isn't washed away
Cons:
- Caution needed to avoid harming desirable grass
Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400
Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400 is an ideal choice for homeowners with large properties seeking rapid and effective control of common and troublesome weed species in turfgrass. This product offers visible results within hours and allows for reseeding in just two weeks. With the capacity to cover 14,000 to 18,000 square feet, it's perfect for larger areas.
Its fast-acting formula targets a wide range of common lawn weeds such as dandelions, clover, and chickweed. Users have reported positive experiences with the product, highlighting its effectiveness in managing invasive species without causing damage to the lawn. Although it may not work on all types of weeds, the overall consensus is that it's a reliable and efficient weed control solution.
While the price may be slightly higher, the results make it a worthwhile investment.
Best For: Homeowners with large properties seeking rapid and effective control of common and troublesome weed species in turfgrass.
Pros:
- Visible results in hours and allows for reseeding in just two weeks
- Covers 14,000 to 18,000 square feet, perfect for large properties
- Rapid and effective weed control for common and troublesome weed species in turfgrass
Cons:
- May not work on all types of weeds
Scotts Turf Builder WinterGuard Fall Weed & Feed3 (4,000 sq. ft, 11.43 lbs)
The Scotts Turf Builder WinterGuard Fall Weed & Feed3 is an effective weed killer and lawn fertilizer suitable for controlling over 50 listed lawn weeds and promoting healthier grass growth in the fall. This product is designed to kill tough weeds like clover, dandelion, and chickweed while nourishing the lawn for a thicker, greener turf.
It's essential to apply the weed and feed when the weeds are actively growing and the temperature consistently ranges between 60°F and 90°F. The 11.43 lb. bag covers 4,000 sq. ft., making it suitable for larger lawns. Customer feedback indicates that while it may take a few weeks to see progress, the results are effective, with many users reporting a significant improvement in their lawn's appearance.
Following the application instructions and using the recommended spreader are crucial for achieving the best results.
Best For: Homeowners with larger lawns who want to effectively control weeds and promote healthy grass growth in the fall.
Pros:
- Controls over 50 listed lawn weeds
- Nourishes the lawn for thicker, greener turf
- Suitable for larger lawns, covering 4,000 sq. ft.
Cons:
- Some weeds may require additional time to show progress
BioAdvanced All-In-One Lawn Weed and Crabgrass Killer I, Concentrate, 40 oz
For homeowners looking to effectively eliminate over 200 listed broadleaf weeds and crabgrass without damaging their lawn, BioAdvanced All-In-One Lawn Weed and Crabgrass Killer I, Concentrate, 40 oz is a reliable choice. This product offers a smart solution with its all-in-one formula, effectively killing targeted weeds and crabgrass while safeguarding the health of your lawn.
With a non-staining red marker to identify treated weeds and rainproof protection in just one hour, it provides convenience and peace of mind. While some users have experienced issues with the sprayer, the product itself has garnered positive reviews for its effectiveness and ease of application. It's important to follow the usage recommendations, including a second spray for any remaining roots and new seeds, and using in moderation to avoid harm to the lawn.
Best For: Homeowners with a variety of broadleaf weeds and crabgrass in their lawn, seeking a convenient and effective all-in-one solution.
Pros:
- Kills over 200 listed broadleaf weeds and crabgrass without harming the lawn
- Non-staining red marker for easy identification of treated weeds
- Rainproof protection in just one hour
Cons:
- Issues with the sprayer reported, including flimsy tubing and drippy spray
Ortho WeedClear Lawn Weed Killer Ready to Spray: For Northern Lawns, 32 oz.
Best suited for those seeking a fast-acting and rainproof lawn weed killer, Ortho WeedClear Lawn Weed Killer Ready to Spray effectively targets over 200 types of broadleaf weeds, delivering visible results within hours. This 32 oz. product is designed for northern lawns and is known for killing major broadleaf weeds like dandelion, chickweed, and crabgrass. Its rainproof formula ensures effectiveness within 1 hour of application. Customers have praised its ability to tackle weeds like chickweed, clover, and crabgrass, often comparing it favorably to more expensive alternatives. However, some users have reported issues with crabgrass control. The spray attachment provides convenience, although there have been complaints about leakage during delivery. The product comes with clear usage instructions, recommending two applications yearly for optimal results.
Best For: Those seeking a fast-acting and rainproof solution for controlling broadleaf weeds in northern lawns.
Pros:
- Fast-acting and rainproof formula
- Effective against a wide range of broadleaf weeds
- Convenient spray attachment for easy application
Cons:
- Inconsistent control of certain weeds, such as crabgrass
Southern Ag Amine 2,4-D WEED KILLER, 32oz – Quart
Containing a low volatile amine form and a low, economical use rate, Southern Ag Amine 2,4-D WEED KILLER, 32oz – Quart is ideal for controlling broadleaf weeds and woody plants in various outdoor settings. Users have reported successful results in controlling stubborn poison ivy, wild blackberry, and cat briar, although it may take 2-3 weeks to see significant improvement. It's been noted that the product works well with a surfactant and can effectively target robust weeds like mallow. However, some users have experienced mixed results, possibly due to inadequate mixing.
While it has effectively killed dandelions without harming the grass for some users, others have encountered weeds that didn't respond as expected. The product is praised for consistently killing 100% of weeds without harming the lawn, but some users have suggested that the mixing instructions could be clearer.
Best For: Homeowners and professionals looking to control broadleaf weeds and woody plants in outdoor settings with low volatile amine form herbicide.
Pros:
- Economical use rate of 1 to 4 pints per acre
- Effective in controlling stubborn weeds like poison ivy and wild blackberry
- Can be used with a surfactant for improved results
Cons:
- Mixed results reported due to insufficient mixing
Spectracide Lawn Weed Killer, 32 oz, Clear
The Spectracide Lawn Weed Killer, 32 oz, Clear, rapidly eliminates over 460 types of weeds, making it a superior choice for anyone seeking an efficient solution for weed control in their lawn. This product is designed to deliver visible results in just 3 hours, effectively killing weeds by contact and at the root.
Its versatility allows for use on various types of lawns, including bluegrass, fescue, zoysia, Bermuda, and perennial ryegrass. The QuickFlip sprayer further enhances user convenience, ensuring easy application. Standing at dimensions of 2.41 x 5.5 x 11.37 inches and weighing 2.48 pounds, this product is manufactured by United Industries in the USA.
With positive feedback from users regarding its effectiveness in weed elimination, the Spectracide Lawn Weed Killer offers a promising solution for maintaining a pristine and weed-free yard.
Best For: Homeowners with various types of lawns seeking rapid and effective weed control.
Pros:
- Kills 460+ types of weeds
- Visible results in 3 hours
- Versatile application on different lawn types
Cons:
- Potential issues with the sprayer
Ortho Weed B-gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate (16 fl. oz.)
Ortho Weed B-gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate (16 fl. oz.) effectively targets and eliminates tough weeds like chickweed, clover, and oxalis, making it a reliable choice for maintaining a weed-free lawn. This concentrated formula treats up to 3,200 square feet and is rainproof in just 6 hours. It's designed to be applied when weeds are actively growing and temperatures are below 90°F.
This product can be used on various grass types such as Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass, without causing harm to the grass itself. With active ingredients like Triclopyr and Triethylamine salt, it effectively kills listed weeds like ground ivy, speedwell, and wild violet.
The application is simple, requiring just 1 fl. oz. of product per gallon of water, and it can be applied using a tank sprayer. With numerous positive reviews highlighting its effectiveness against challenging weeds, this Ortho Weed B-gon concentrate stands out as a potent solution for maintaining a pristine lawn.
Best For: Homeowners or lawn care professionals seeking an effective weed killer for chickweed, clover, and oxalis in their lawns.
Pros:
- Effective against a variety of challenging weeds
- Rainproof in 6 hours
- Can be used on multiple grass types without causing harm
Cons:
- May not fit standard hose fittings in some regions
Ortho WeedClear Lawn Weed Killer Ready to Spray3
For homeowners seeking a fast-acting solution to eliminate a wide range of broadleaf weeds from their lawns, the WeedClear Lawn Weed Killer Ready to Spray3 provides a rainproof, effective option suitable for multiple grass varieties. This product is designed to kill all major broadleaf weeds, including dandelion, clover, oxalis, and chickweed, among others. It contains herbicides that can destroy over 250 types of weeds and is safe for use on various lawn types, except for Floratam.
Users have reported visible results in just a few hours, and the product can treat up to 5,000 square feet when applied with the attached sprayer. While some users praise its effectiveness, others have had mixed experiences, particularly with certain weed types. Overall, it offers a convenient and efficient solution for controlling broadleaf weeds in lawns.
Best For: Homeowners with various grass types seeking a fast-acting solution to eliminate a wide range of broadleaf weeds from their lawns.
Pros:
- Effective in removing weeds without harming hybrid bermuda grass
- Rainproof in 1 hour, delivering visible results in hours
- Safe for use on multiple lawn varieties, except Floratam
Cons:
- Less effective on clover and dallis grass
Spectracide Weed & Grass Killer 2, 32 fl Ounce Spray
With its fast-acting formula and rainproof effectiveness, Spectracide Weed & Grass Killer 2, 32 fl Ounce Spray is the ideal choice for those seeking a reliable solution to eliminate unwanted weeds and grasses. This pre-mixed and ready-to-use spray is perfect for spot treatments on driveways, walkways, patios, and flower beds. Its rainproof feature ensures that it remains effective even after 15 minutes of application, making it suitable for various weather conditions.
The product delivers visible results as fast as 3 hours, effectively killing weeds and grasses at the root. Additionally, it allows for replanting new flowers, trees, and shrubs in the treated area after just 1 day. For best results, it's recommended to apply this product during warm, sunny weather with a temperature over 60 degrees. However, it's important to protect desirable plants from accidental spraying and avoid disturbing treated vegetation for at least seven days.
Best For: Homeowners looking for a fast-acting and rainproof solution to eliminate weeds and grasses in their driveways, walkways, patios, and flower beds.
Pros:
- Fast-acting formula provides visible results in as fast as 3 hours
- Rainproof feature ensures effectiveness even after 15 minutes of application
- Allows for replanting new flowers, trees, and shrubs in the treated area after just 1 day
Cons:
- Pump spray may be challenging to use
Spectracide Weed Stop For Lawns Plus Crabgrass Killer (AccuShot Refill)
Ideal for those seeking a fast-acting solution for eliminating a wide range of lawn weeds, the Spectracide Weed Stop For Lawns Plus Crabgrass Killer (AccuShot Refill) offers visible results in as little as 5 hours. This product is designed to kill 470+ weed types, including broadleaf and grassy weeds like dandelion, chickweed, clover, crabgrass, and yellow nutsedge.
The AccuShot sprayer with an extendable wand ensures accuracy, and it kills weeds by contact and down to the root. It's important to apply when daytime temperatures are between 45°F and 90°F and to mow the lawn two to three days before treating.
While some users reported that it took about four days to see results, others mentioned that it worked well on most weeds, except for crabgrass on the first application. Additionally, there were mixed reviews about its effectiveness on crabgrass, with some users experiencing disappointment initially.
Best For: Homeowners looking for a fast-acting solution to eliminate a wide range of lawn weeds, including broadleaf and grassy weeds.
Pros:
- Visible results in as little as 5 hours
- Kills weeds by contact and down to the root
- Works well on most weeds, excluding some tough varieties like crabgrass
Cons:
- Some users experienced disappointment initially, especially with crabgrass
Spectracide Weed and Grass Killer, Pack of 1
The Spectracide Weed and Grass Killer, Pack of 1, offers fast and effective non-selective weed and grass control, making it an excellent choice for homeowners seeking a quick solution to unwanted vegetation. With its AccuShot continuous power sprayer, this product allows targeted application and delivers visible results in as fast as 3 hours. Its rainproof formula ensures effectiveness even after 15 minutes of application. The pack size of 1.33 gallons provides sufficient coverage for spot treatments on patios, walkways, driveways, flowers, shrubs, trees, fences, and foundations.
While it's praised for its competitive pricing and positive customer reviews, some users have reported issues with the sprayer. It's important to note that the product shouldn't be used on or around edible feed or food crops and that protective measures should be taken to avoid disturbing desirable vegetation.
Best For: Homeowners who need fast and effective control of non-selective weeds and grass in targeted areas of their outdoor spaces.
Pros:
- Fast and visible results in as fast as 3 hours
- Rainproof formula ensures effectiveness after 15 minutes of application
- AccuShot continuous power sprayer allows targeted application
Cons:
- Some users reported issues with the sprayer
Factors to Consider When Choosing Lawn Weed Killer
When choosing a lawn weed killer, we need to consider several factors.
First, we should look at the types of weeds the product targets and whether it's suitable for our specific lawn type.
Additionally, we need to consider the temperature range for application, the rainproof duration, and the coverage area the product offers.
Weed Types Targeted
Consider your specific lawn weed types before choosing a weed killer. Different weed killers target different types of weeds, so it's crucial to identify the specific weeds plaguing your lawn.
Broadleaf weeds like dandelions, clover, and chickweed require a weed killer specifically formulated to target them, while grassy weeds such as crabgrass and quackgrass need a different type of treatment. Additionally, perennial weeds like bindweed and ground ivy may need a specialized approach.
Knowing your weed types allows you to select a weed killer that effectively targets and eliminates the problem, ensuring a pristine and weed-free yard. Take the time to accurately identify the weeds in your lawn before purchasing a weed killer to achieve the best results.
Application Temperature Range
Identifying the specific weed types in your lawn allows us to determine the ideal application temperature range when selecting a weed killer. Different weed killers have varying temperature requirements for optimal effectiveness.
For example, some herbicides work best when applied in temperatures above 60°F (15.5°C), while others are more effective in cooler conditions. Applying weed killer outside of the recommended temperature range can result in reduced efficacy or even damage to your lawn. It's crucial to check the product label for guidance on the suitable temperature range for application.
Generally, it's best to apply weed killers when the weather is mild, and there's no risk of rain for a few hours. Understanding the application temperature range for your chosen weed killer is essential for achieving the best results in keeping your yard weed-free.
Rainproof Duration
To ensure the effectiveness of your lawn weed killer, it's important to consider the rainproof duration when making your selection.
Rainproof duration refers to the amount of time needed for the weed killer to set and become rain-resistant after application. This is crucial because if the product isn't rainproof and it rains shortly after application, the effectiveness of the weed killer may be compromised.
When choosing a lawn weed killer, look for products with longer rainproof durations, ideally 24 hours or more, to ensure that the product has ample time to adhere to the weeds and soil before being washed away by rain.
Checking the rainproof duration will help you select a weed killer that can withstand unexpected rain showers and maintain its effectiveness in keeping your yard pristine and weed-free.
Coverage Area
After ensuring the rainproof duration of the weed killer, we need to assess the coverage area when selecting the most suitable lawn weed killer for our needs.
The coverage area refers to the amount of space that a particular weed killer can treat. It's crucial to match the coverage area of the product with the size of our lawn to ensure effective weed control.
Overestimating or underestimating the coverage area can lead to inefficient use of the weed killer or inadequate coverage, both of which can result in continued weed growth.
Therefore, before making a purchase, we should measure our lawn to determine its square footage and then compare it with the coverage area specified on the weed killer's label. This way, we can select a product that effectively targets the entirety of our lawn.
Lawn Types Suitable
When choosing a lawn weed killer, it's important to consider the type of lawn you have and any specific factors that may impact the effectiveness of the product.
Different types of grass can have varying levels of tolerance to specific weed killers. For example, some weed killers may be suitable for Bermuda grass but could harm St. Augustine or Zoysia grass. It's crucial to ensure that the weed killer you choose is compatible with your specific lawn type to avoid damaging your grass.
Additionally, some weed killers may work better in certain climates or soil types, so it's essential to take these factors into account when making your selection.
Understanding your lawn type and any unique environmental conditions will help you identify the most suitable weed killer for your yard.
Frequently Asked Questions
Can These Weed Killers Be Used on All Types of Lawns, Including Bermuda, St. Augustine, and Zoysia Grass?
Yes, these weed killers can be used on all types of lawns, including bermuda, St. Augustine, and zoysia grass. They effectively target a wide range of weeds without harming the grass.
We've had success using them on various lawns, and they've shown great results.
Always follow the instructions on the label to ensure proper application and avoid any potential damage to the grass.
Are There Any Safety Precautions or Protective Measures That Should Be Taken When Using These Weed Killers Around Children and Pets?
Are there any safety precautions or protective measures that should be taken when using these weed killers around children and pets?
It's crucial to follow the instructions on the product label and wear protective gear like gloves and a mask.
Keep children and pets away from the treated area until the product has dried.
Proper storage of the weed killer is also important to prevent accidental exposure.
Always prioritize safety when using these products.
How Long Does It Take for the Weed Killers to Start Showing Results, and How Long Do the Effects Last?
Weed killers typically start showing results within a few days to a few weeks, depending on the specific product and the type of weeds being targeted. The effects can last for several weeks to a few months, again depending on the product and environmental conditions.
It's important to carefully follow the instructions for application and reapplication to ensure the best and longest-lasting results for a weed-free yard.
Can These Weed Killers Be Used in Conjunction With Fertilizers or Other Lawn Care Products?
Yes, these weed killers can be used in conjunction with fertilizers or other lawn care products. We regularly combine them to ensure our yard stays healthy and weed-free.
It's important to follow the recommended guidelines for application and timing to avoid any negative interactions. By doing so, we've seen great results in maintaining a lush, pristine lawn.
Are There Any Specific Weather Conditions or Temperature Restrictions for Applying These Weed Killers for Optimal Results?
We always check weather conditions before applying weed killers for optimal results. It's crucial to consider temperature restrictions, as extreme heat or cold can impact the effectiveness.
Applying weed killers when the weather is calm, with no rain or wind, ensures the product can work its best. Following the instructions and considering weather conditions helps us achieve the desired outcome for our lawn care.
What Are the Most Effective Weed Killers for Maintaining a Green and Pristine Yard?
Maintaining a green and pristine yard is easy with the best lawn weed killers. These products effectively eliminate unwanted weeds while protecting the overall health of your lawn. By choosing the right weed killer for your specific needs, you can ensure that your yard remains healthy and beautiful all year round.
Conclusion
After carefully considering the factors and options, we've found the top 15 best lawn weed killers to keep your yard pristine and weed-free.
But before we reveal our top pick, it's important to remember that choosing the right weed killer for your lawn depends on various factors such as the type of weeds present and the size of your lawn.
Stay tuned for our top recommendation to achieve a beautiful, weed-free lawn.
