Looking for the 15 best lawn weed killers? Ortho WeedClear targets 250 weeds, rainproof in 1 hour. Spectracide kills crabgrass, others in as little as 5 hours. Southern Ag 2,4-D offers quick results on broadleaf plants. Scotts Liquid Turf Builder suits various grass types. Preen Preventer stops 25 common weeds, promoting deep roots. Roundup offers 3 months of control. Gordon's SpeedZone allows quick reseeding. Scotts Halts preventer effective on various lawn weeds. Natural Elements is pet-safe and eco-friendly. Choose based on weed types, temp range, coverage, grass compatibility, and pet safety. Learn more about lawn weed killers for a pristine yard.
Key Takeaways
- Target over 250 common weeds with Ortho WeedClear for visible results in hours.
- Spectracide Weed Stop kills over 470 weed types, including crabgrass, with fast visible results.
- Southern Ag Amine 2,4-D provides quick visible results on broadleaf plants like dandelions.
- Scotts Liquid Turf Builder with Plus 2 targets listed weeds and boosts grass health.
- Preen Extended Control prevents over 25 common lawn weeds, promoting strong roots for future prevention.
Ortho WeedClear Weed Killer for Lawns Ready-To-Spray (32 oz.)
For those seeking efficient and safe weed control in their yard, the Ortho WeedClear Weed Killer for Lawns Ready-To-Spray (32 oz.) is the top choice. With the ability to treat up to 16,000 square feet, this product packs a powerful punch against over 250 common weeds like dandelions, clover, and poison ivy.
The three proven ingredients target these pesky lawn invaders without harming the grass you work hard to maintain. Not only does it deliver visible results in just hours, but it's also rainproof within one hour of drying, ensuring its effectiveness even when the weather isn't on your side.
Easy to use by simply connecting it to a garden hose and setting the nozzle, this weed killer is a convenient solution for your lawn care needs.
Best For: Homeowners looking for an effective and easy-to-use solution to control a variety of common weeds in their lawn.
Pros:
- Kills over 250 common weeds without harming grass.
- Visible results in hours.
- Rainproof in 1 hour upon drying.
Cons:
- Some weeds may be more resistant.
Spectracide Weed Stop For Lawns Plus Crabgrass Killer, Ready-to-Use, 1 Gallon
Killing over 470 weed types, including crabgrass and dandelion, Spectracide Weed Stop For Lawns Plus Crabgrass Killer is a top choice for those seeking a pristine yard without harmful weeds. This ready-to-use 1-gallon spray bottle delivers visible results in as little as 5 hours by attacking weeds on contact and their roots.
Users appreciate its effectiveness against crabgrass, dandelion, clover, and more without causing harm to the lawn when applied correctly. It's important to follow the instructions, especially regarding temperature conditions for best performance. While some users noted the need for multiple applications for complete weed elimination, many found this product to be reasonably priced and efficient for tackling crabgrass infestations.
With patience and proper application, Spectracide Weed Stop can help you achieve a weed-free lawn.
Best For: Homeowners looking for an effective solution to eliminate a variety of weeds, including crabgrass, dandelion, and clover, without harming the lawn.
Pros:
- Visible results in as little as 5 hours.
- Effective against a wide range of weed types.
- Easy-to-use ready-to-use spray bottle.
Cons:
- May require multiple applications for complete weed elimination.
Ortho WeedClear Lawn Weed Killer Ready to Spray: For Northern Lawns, 32 oz.
The Ortho WeedClear Lawn Weed Killer Ready to Spray is a versatile solution for those seeking efficient weed control without causing harm to their lawn. This 32 oz. product is specifically formulated for Northern lawns, targeting major broadleaf weeds like dandelion, chickweed, and crabgrass.
With visible results after just one application and rainproof in only 1 hour, it offers quick and effective weed elimination. The formula kills over 200 types of weeds to the roots, ensuring long-term results. Safe for various lawn varieties such as Bermudagrass, Buffalograss, and Kentucky Bluegrass, it covers up to 5,000 sq. ft.
Users have reported success in eliminating weeds like clover and burweed, with recommendations to follow instructions for best results. Get your lawn looking pristine with Ortho WeedClear Lawn Weed Killer Ready to Spray.
Best For: Those looking for a fast-acting and effective weed killer that is safe for various types of lawns.
Pros:
- Kills over 200 types of weeds to the roots.
- Visible results after just one application.
- Safe for multiple lawn varieties like Bermudagrass and Kentucky Bluegrass.
Cons:
- Some users may need to apply multiple times for complete weed control.
Southern Ag Amine 2,4-D WEED KILLER, 32oz – Quart
Ideal for maintaining a flawless yard, Southern Ag Amine 2,4-D WEED KILLER offers effective control against a variety of broadleaf weeds.
With a low, economical use rate of 1 to 4 pints per acre, this liquid concentrate contains 3.8 lbs. per gallon 2,4-D acid equivalent.
Customers have reported visible results in just a few days on their 1-acre yards, praising its effectiveness on broadleaf plants like dandelions and creeping charley.
However, caution is advised as it may not be suitable for all grass types, and care must be taken to avoid damage to specific plants such as Perennial Peanut.
This product provides long-lasting weed control, making it a valuable tool for maintaining a weed-free lawn.
Best For: Homeowners with 1-acre yards looking for effective control against broadleaf weeds like dandelions and creeping charley.
Pros:
- Visible results in just a few days on 1-acre yards
- Long-lasting weed control
- Effective on broadleaf plants like dandelions and creeping charley
Cons:
- Not suitable for all grass types
Scotts Liquid Turf Builder with Plus 2 Weed Control (32 fl. oz.)
For those seeking a convenient solution to tackle broadleaf weeds and boost their lawn's health, Scotts Liquid Turf Builder with Plus 2 Weed Control (32 fl. oz.) offers a practical and effective option. This liquid weed killer and fertilizer combo is designed to target listed weeds like dandelions, clover, ground ivy, and poison ivy while providing a quick nitrogen boost to your lawn.
The ready-to-spray application makes it easy to use when weeds are actively growing, and it's suitable for various grass types including Bluegrass, Fescue, Ryegrass, and Bahiagrass. Simply connect it to a garden hose for effortless application.
While customer feedback on effectiveness and ease of use is mixed, many users have found it effective in controlling weeds and enhancing the overall health of their lawns.
Best For: Those looking for a convenient solution to control broadleaf weeds and improve their lawn's health.
Pros:
- Kills listed weeds like dandelions and clover effectively.
- Provides a quick boost of nitrogen to the lawn.
- Easy-to-use ready-to-spray application with a garden hose connection.
Cons:
- Mixed reviews on effectiveness and ease of use.
Spectracide Large Plot Weed Stop for Lawns Concentrate, 1 Gallon
When maintaining a pristine yard, consider the Spectracide Large Plot Weed Stop for Lawns Concentrate, a solution that effectively targets over 200 types of weeds and their roots.
This rainproof formula can cover a large area, treating up to 32,000 square feet of Northern grasses or 42,500 square feet of Southern grasses.
With dimensions of 7.16 x 11.68 x 4.52 inches and a weight of 8.99 pounds, this concentrate is designed for convenience and efficiency.
Manufactured by United Industries in the USA, this product has received a 4.2 out of 5 stars rating from 56 customers.
While there are mixed reviews on effectiveness, users appreciate the competitive pricing and overall performance.
For a reliable weed killer that gets the job done, the Spectracide Large Plot Weed Stop is worth considering.
Best For: Homeowners with large lawns looking for an effective and rainproof weed killer solution.
Pros:
- Kills over 200 types of weeds and their roots.
- Treats a large area of up to 32,000 sq ft of Northern grasses or 42,500 sq ft of Southern grasses.
- Rainproof formula allows for quick application even before or after rain.
Cons:
- Mixed reviews on product effectiveness.
Scotts Turf Builder Bonus S Southern Weed & Feed2, 5,000 sq. ft
With its ability to target and eliminate over 25 common lawn weeds while nourishing the grass for enhanced growth, the Scotts Turf Builder Bonus S Southern Weed & Feed2, covering 5,000 sq. ft., caters to homeowners seeking an ideal solution for maintaining a lush and weed-free yard. This product not only kills existing weeds but also feeds the grass to prevent future weed growth, all while promoting strong, deep roots.
It's specifically designed for St. Augustinegrass, Centipedegrass, Zoysiagrass, and Carpetgrass, ensuring compatibility with various lawn types. Remember to apply this weed and feed formula to a dry lawn and water it in immediately for excellent results. While user feedback has been positive overall, some have mentioned challenges with product clumping and varying effectiveness in weed control.
Best For: Homeowners with St. Augustinegrass, Centipedegrass, Zoysiagrass, and Carpetgrass seeking to eliminate common lawn weeds and promote healthy grass growth.
Pros:
- Targets and eliminates over 25 common lawn weeds
- Promotes strong, deep roots in the grass
- Prevents future weed growth by feeding the grass
Cons:
- Some users may experience challenges with product clumping
Roundup for Lawns Ready-to-Use Weed Killer (1.33 gal)
The Roundup for Lawns Ready-to-Use Weed Killer (1.33 gal) is an ideal option for homeowners seeking efficient weed control without harming their Northern grasses. This tough weed killer is specially designed for Northern grass types like Bluegrass, Fescue, Zoysia, and Perennial Ryegrass. It effectively targets 253 types of weeds, including pesky ones like crabgrass, dandelion, clover, and yellow nutsedge.
With no mixing or measuring required, you can simply pour and go, making weed control a breeze. The product provides up to 3 months of weed control and is rainproof in as little as 3 hours, starting to work immediately. Users have praised its effectiveness in tackling weeds while being gentle on the lawn.
The extendable wand and battery-operated spraying mechanism add to the ease of use, making it a recommended choice for spot treatments.
Best For: Homeowners with Northern grass types looking for effective weed control without causing harm to their lawn.
Pros:
- Easy to use with no mixing or measuring required.
- Targets 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge.
- Provides up to 3 months of weed control and is rainproof in as little as 3 hours.
Cons:
- Some users reported the product did not work as expected.
Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400
For those seeking fast and effective weed control without harming their lawn grasses, Gordon's SpeedZone Lawn Weed Killer, 20 Ounces, 652400 is the ideal choice. This product offers visible results in just hours, allowing you to reseed your lawn in as little as two weeks.
With coverage for 14,000 to 18,000 square feet, it provides efficient weed control for common species while keeping your grass safe. Gordon's SpeedZone has received positive feedback from customers, boasting a 4.5 out of 5-star rating from 3,381 reviews.
Its effectiveness and ease of use make it a popular choice for maintaining a pristine yard. Remember, this product may have restricted shipping to certain states due to its potency, so always check before purchasing.
Best For: Homeowners looking for a fast-acting and efficient weed killer that does not harm their lawn grasses.
Pros:
- Visible results in hours, allowing for quick reseeding in two weeks.
- Covers a large area of 14,000 to 18,000 square feet.
- Effective weed control for common species without damaging grass.
Cons:
- Restricted shipping to certain states.
Scotts Halts Crabgrass & Grassy Weed Preventer, Pre-Emergent Weed Killer for Lawns (10.06 lbs, 5,000 sq. ft.)
A highly effective pre-emergent weed killer like Scotts Halts Crabgrass & Grassy Weed Preventer is ideal for those seeking a low-maintenance solution to keep their lawn pristine and free of unwanted grassy weeds. This product is designed to prevent the germination of various lawn weeds, including crabgrass, foxtail, spurge, barnyardgrass, and moss (excluding California).
It's recommended to apply this weed preventer in early spring or fall on all grass types except Dichondra or Bentgrass. One 10.06 lb. bag can cover an area of 5,000 sq. ft., making it a cost-effective option for lawn care. Remember to follow the application directions carefully for best results and consider alternative products if needed.
Keep an eye on your lawn's health and adjust your care regimen accordingly.
Best For: Homeowners looking for an effective and convenient pre-emergent weed killer to maintain a weed-free lawn with minimal effort.
Pros:
- Effectively prevents the germination of various lawn weeds.
- Cost-effective option with coverage for a 5,000 sq. ft. area.
- Easy application process in early spring or fall for most grass types.
Cons:
- Some users may find hand removal necessary for existing crabgrass.
Natural Elements Weed Killer (1 Gallon)
When maintaining a pristine yard, our top choice is the Natural Elements Weed Killer (1 Gallon) for its pet-safe and all-natural formula. This product stands out for its effectiveness on most broadleaf weeds and grasses without the use of harmful herbicides. Derived from vinegar, it's a safe alternative to chemical weed killers, making it a great option for environmentally conscious gardeners.
Users have praised its fast results and pet-friendly nature, though some have noted a strong vinegar smell and the potential for skin irritation. For best results, apply this ready-to-use formula in direct sunlight, taking care around pavers to avoid staining. Consider using a sprayer wand for easy application and be prepared for possible repeated treatments for stubborn weeds.
Best For: Homeowners looking for an effective and pet-safe weed killer derived from natural ingredients.
Pros:
- Pet safe and environmentally friendly
- Fast results without harmful herbicides
- Ready to use with no mixing required
Cons:
- Strong vinegar smell may be unpleasant
Ortho GroundClear Year Long Vegetation Killer1 Concentrate (2 gal)
The Ortho GroundClear Year Long Vegetation Killer1 Concentrate (2 gal) is ideal for those seeking a fast-acting solution to eliminate weeds and prevent regrowth in various outdoor spaces. This concentrate formula is designed to kill weeds and stop them from coming back for up to a year with just one application.
Its fast-acting formula gets to work immediately, targeting tough weeds down to the root when used as directed. You can easily apply it with a tank sprayer on driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, parking areas, fences, and curbs.
With each bottle creating 10.7 gallons of ready-to-use vegetation killer, you can cover up to 3200 sq. ft., making it a convenient option for maintaining weed-free outdoor areas.
Best For: Those looking for a quick and effective solution to eliminate weeds and prevent regrowth in outdoor spaces.
Pros:
- Fast-acting formula that starts working immediately.
- Convenient application with a tank sprayer.
- Long-lasting effectiveness with up to 1 year of weed prevention.
Cons:
- Mixed customer reviews on effectiveness.
Scotts Weed Control for Lawns, 5,000 sq. ft. (14 lbs.)
For those seeking effective weed control for a lush lawn, Scotts Weed Control for Lawns offers a thorough solution targeting over 200 weed types. This product is designed to kill weeds like dandelion and clover down to the root, starting to work upon contact.
It covers 5,000 sq. ft. with its 14 lb. bag and is recommended to apply in the spring or early fall when broadleaf weeds are actively growing. However, be cautious as it may not be suitable for certain grass types.
When using Scotts Weed Control for Lawns, follow the application instructions diligently, making sure to apply with a Scotts spreader and avoiding immediate washing of the product from weed leaves. Remember to water your lawn thoroughly 1 to 2 days after application for best results.
Best For: Homeowners looking for an effective solution to control a wide range of weeds in their lawns.
Pros:
- Kills over 200 weed types down to the root.
- Starts working on contact for quick results.
- Covers a substantial area of 5,000 sq. ft. with a single 14 lb. bag.
Cons:
- Effectiveness may vary depending on the grass type.
Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate
A highly effective solution for tackling a variety of weeds, including stubborn crabgrass, the Spectracide Weed Stop For Lawns Plus Crabgrass Killer Concentrate is a top choice for homeowners aiming to maintain a pristine yard. This product is designed to kill weeds without harming your lawn, making it a convenient option for those looking to keep their yard in top shape.
With the ability to control over 470 types of weeds, including crabgrass, dandelion, chickweed, clover, and yellow nutsedge, this concentrate offers a complete solution for weed control. Users have reported visible results within 5-8 hours, appreciating its effectiveness on crabgrass and broadleaf weeds.
Remember to apply when temperatures are between 45 and 90 degrees for best results.
Best For: Homeowners looking for an effective weed control solution that targets a wide variety of weeds without harming their lawn.
Pros:
- Kills crabgrass upon first sighting
- Controls over 470 types of weeds
- Rainproof within 3 hours of application
Cons:
- Multiple applications may be needed for effective control
Ortho GroundClear Weed & Grass Killer Ready-to-Use (1 gal)
Ideal for those seeking fast and effective weed elimination, the Ortho GroundClear Weed & Grass Killer Ready-to-Use (1 gal) provides quick visible results within just 15 minutes of application. This product is designed to act on contact, swiftly tackling all types of green and growing weeds and grasses.
Being OMRI listed for organic gardening, it offers a reliable option for those looking to maintain their yards without harsh chemicals. Additionally, its guarantee feature ensures its effectiveness even after 2 hours of drying.
Suitable for various areas including hardscapes, landscape beds, and around vegetable gardens, this weed killer comes in a convenient 1-gallon container. While some users find it slightly expensive, the majority praise its quick results, making it a practical choice for those aiming to keep their yards pristine.
Best For: Homeowners looking for a fast-acting and organic weed killer solution without harsh chemicals.
Pros:
- Quick visible results within 15 minutes of application.
- Suitable for use in organic gardening, being OMRI listed.
- Rainproof in 2 hours upon drying.
Cons:
- Some users may find it slightly expensive.
Factors to Consider When Choosing Lawn Weed Killer

When selecting a lawn weed killer, it's essential to take into account factors like:
- The types of weeds targeted
- The temperature range for application
- How long the product remains rainproof
Understanding the coverage area guidelines and ensuring compatibility with your grass type are also key elements to bear in mind.
Weed Types Targeted
Considering the variety of weed types targeted is important when selecting a lawn weed killer for effective control. Different products focus on specific types of weeds, such as broadleaf weeds, grassy weeds, crabgrass, and dandelions.
It's vital to check if the weed killer you choose is effective against common lawn invaders like clover, chickweed, and nutsedge prevalent in your area. Opt for products offering broad-spectrum weed control to tackle various weed varieties in your lawn or garden.
Evaluate if the weed killer is suitable for your specific grass type and landscape to guarantee compatibility. Additionally, prioritize products that are safe for use around pets, children, and environmentally sensitive areas, providing efficient weed control without harmful consequences.
Application Temperature Range
To guarantee effective control of weeds in your lawn, it's important to be mindful of the temperature range suitable for applying lawn weed killers. The ideal temperature for application typically falls between 45°F to 90°F. Applying weed killer in temperatures below 45°F may hinder its effectiveness, while temperatures above 90°F can potentially harm desirable plants.
Best application during moderate temperatures ensures better absorption and results. Following the recommended temperature range maximizes the effectiveness of the weed killer, leading to a healthier and weed-free lawn.
Rainproof Duration
For best weed control and protection against rain showers, consider the rainproof duration of a lawn weed killer before making your selection. Rainproof duration refers to how quickly a weed killer becomes resistant to rain after application. Some products are rainproof within 1 hour, while others may take up to 24 hours to be fully rainproof. Knowing this duration is crucial to prevent the product from being washed away before it can work effectively.
Opting for longer rainproof durations can offer better protection against rain showers that might otherwise reduce the effectiveness of the weed killer. By choosing a weed killer with a suitable rainproof duration, you can guarantee that your efforts in maintaining a pristine yard aren't washed away by unexpected rain.
Coverage Area Guidelines
Before committing to a lawn weed killer, it's important to assess the coverage area guidelines provided on the product label for accurate application and successful weed management. These recommendations are essential for determining the amount of product needed to effectively treat your lawn or specific area.
By following the recommended coverage area guidelines, you can avoid under or over-applying the weed killer, ensuring excellent results. Understanding these guidelines not only helps in achieving the best outcomes but also assists in budgeting and planning for the correct amount of product required based on your lawn size.
Proper application according to the coverage area guidelines not only prevents wastage but also ensures cost-effective weed control, making your yard maintenance more efficient and economical.
Grass Compatibility
Taking into account the type of grass in your lawn is essential when selecting a lawn weed killer that will effectively target weeds without harming your grass. It's important to check if the weed killer is safe for your specific grass type to avoid any damage.
Look for products that are compatible with a variety of grass types, such as Bermuda, Fescue, or Zoysia, to make sure that your lawn remains healthy and green. Always verify that the weed killer you choose won't cause any discoloration or harm to your grass.
Considering the compatibility of the weed killer with your lawn grass is a key factor in maintaining a beautiful and pristine yard free of weeds.
Quick Visible Results
When selecting a lawn weed killer for your yard, prioritize products that deliver quick visible results within hours to days after application. Opt for weed killers that show effectiveness in eliminating weeds upon contact and reaching their roots for long-lasting control.
Look for rainproof features that guarantee the product remains effective even after a short time frame, preventing wash-off. Choose a weed killer with a proven track record of providing visible results promptly to efficiently manage weed growth.
Consider products with fast-acting formulas that display immediate impact on targeted weeds while being safe for the surrounding lawn and vegetation. Ensuring quick visible results can help you maintain a pristine yard with minimal effort and time invested.
Safe for Pets
Selecting a lawn weed killer that's safe for pets demands careful consideration of the ingredients to guarantee the well-being of our furry companions. When choosing a weed killer, look for products with pet-safe ingredients and check for labels that indicate the product is safe for pets once it has dried.
It's essential to avoid products containing toxic substances that could harm your pets. Opt for natural or organic weed killers that are pet-friendly to prioritize your pets' well-being. By selecting a lawn weed killer that poses no harm to your pets when applied correctly, you can maintain a pristine yard while keeping your furry friends safe.
Manufacturer Information
Considering the manufacturer's reputation and product quality is essential when choosing a lawn weed killer. Details about the company producing the weed killer can give insights into its reliability and standards. Factors like manufacturer reputation, experience, and customer reviews play an important role in the decision-making process.
Some manufacturers specialize in organic or environmentally friendly products, catering to specific preferences of consumers. Manufacturer information can also shed light on the level of innovation, research, and development practices employed in creating the weed killer. By delving into the manufacturer's background, you can make a more informed choice that aligns with your needs and values.
Frequently Asked Questions
Can These Weed Killers Be Used Around Pets and Children?
Absolutely, these weed killers can often be used around pets and children, but caution is essential. Always read the label for specific guidance on safety.
Some products may require keeping pets and kids away until dry. Consider using natural alternatives for added peace of mind.
Prioritize safety by storing chemicals out of reach and following instructions diligently. When in doubt, consult a professional or opt for pet and child-friendly options for a worry-free lawn care experience.
How Long Do the Effects of the Weed Killers Last?
The effects of these weed killers typically last anywhere from 2 to 4 weeks, depending on the specific product and application. This means you may need to reapply them every few weeks to maintain a weed-free lawn.
It's a good idea to follow the manufacturer's instructions for the best results. With proper application and timing, you can keep your yard looking pristine all season long.
Are These Products Safe for Use on All Types of Grass?
Yes, these products are generally safe for use on all types of grass. However, it's important to read the label carefully to verify compatibility with your specific grass type.
Checking for any warnings or restrictions can prevent unwanted damage to your lawn. Remember, different grass varieties may react differently to certain weed killers, so always follow the manufacturer's instructions to keep your yard healthy and pristine.
Can These Weed Killers Be Used in Combination With Other Lawn Care Products?
Yes, these weed killers can generally be used in combination with other lawn care products. However, it's essential to read the labels and follow guidelines to prevent any adverse reactions.
Mixing chemicals without proper knowledge could harm your grass. Think of it like cooking – you wouldn't randomly toss ingredients into a dish without a recipe, right?
Are There Any Environmental Considerations When Using These Weed Killers?
When using these weed killers, it's crucial to take into account environmental impacts. Some weed killers may contain chemicals that can harm beneficial insects, animals, or even seep into groundwater.
Always follow label instructions carefully, apply only the necessary amount, and avoid spraying on windy days to prevent drift.
Consider using eco-friendly alternatives or spot-treating weeds to minimize environmental harm while still effectively managing unwanted vegetation in your yard.
Conclusion
When choosing the best lawn weed killer, keep in mind factors like effectiveness, safety, and ease of use. Look for products specifically tailored for your lawn type and target weeds.
Stay vigilant in maintaining a pristine yard by using recommended weed killers and following application instructions carefully. With proper care and attention, you can keep your yard weed-free and beautiful all season long.