10 Best Crabgrass Killer For Lawns (2024 Update)

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If you’re looking for a way to get rid of crabgrass on your lawn, you’re in the right place. Crabgrass is a common lawn weed that can quickly spread throughout your lawn if left untreated, and it can quickly take over your yard in no time. To ensure that crabgrass doesn't overtake your lawn, you need to use the best crabgrass killer to get rid of it. But before you buy the first product that comes your way, there are some factors to consider.

Firstly, you need to consider the type of crabgrass killer for your lawn. There are three main types of crabgrass killer: pre-emergent, post-emergent, and natural. Pre-emergents kill crabgrass seeds before they germinate, while post-emergents kill crabgrass plants that have already sprouted. Natural weed killers use organic methods to eliminate crabgrass, but may not be as effective as synthetic options. You also want to consider the size of your lawn, as it will determine the quantity of the crabgrass killer you will need.

To help you decide which crabgrass killer is best for your lawn, ask yourself the following questions: What is the size of your lawn? How widespread is the crabgrass? Are you looking for a natural or synthetic solution? By answering these questions, you can choose the best crabgrass killer that works for your lawn and your needs.

10 Best Crabgrass Killer For Lawns

# Product Image Product Name Product Notes Check Price
1
It is ideal for killing crabgrass in lawns.
2
Ideal for killing lawn weeds and crabgrass, ready-to-use formula in a 1-gallon container.
3
It is an herbicide ideal for controlling weeds and crabgrass in turf and lawn areas.
4
Killing weeds in lawns, including dandelions, clover and chickweed.
5
Ideal for fast-acting control of broadleaf weeds and crabgrass with a ready-to-use spray in a large 128 oz container.
6
It is an effective weed killer for both pre and post-emergent weeds, specifically for lawn and turf grasses.
7
This product is ideal for killing lawn weeds and crabgrass.
8
This product is an effective pre and post-emergent weed killer for lawn and turf grasses.
9
The product is ideal for killing weeds and crabgrass in lawns.
10
This product is ideal for killing crabgrass and weeds in a quick and natural way.
Ideal for killing lawn weeds and crabgrass, ready-to-use formula in a 1-gallon container.
It is an herbicide ideal for controlling weeds and crabgrass in turf and lawn areas.
Killing weeds in lawns, including dandelions, clover and chickweed.
Ideal for fast-acting control of broadleaf weeds and crabgrass with a ready-to-use spray in a large 128 oz container.
It is an effective weed killer for both pre and post-emergent weeds, specifically for lawn and turf grasses.
This product is an effective pre and post-emergent weed killer for lawn and turf grasses.
The product is ideal for killing weeds and crabgrass in lawns.
This product is ideal for killing crabgrass and weeds in a quick and natural way.

1. Bayer Advanced 704115a Crabgrass Killer For Lawns, 32 Oz, Ready-To-Spray

Looking for an effective solution to get rid of crabgrass in your lawn? Look no further than Crabgrass Killer for Lawns. This powerful formula is specially designed to kill crabgrass and other listed grass weeds right down to the root, ensuring they won't grow back.

Using Crabgrass Killer for Lawns is easy – simply connect the convenient sprayer to your garden hose and let it do the work for you. The formula will be automatically dispensed as you spray, making application quick and hassle-free.

One of the best things about Crabgrass Killer for Lawns is that it's safe to use on Kentucky Bluegrass, Perennial Ryegrass and Fescue lawns. You won't have to worry about damaging your lawn or other plants while you're getting rid of crabgrass.

Plus, with rainproof protection in just one hour, you can rest assured that your crabgrass-killing efforts won't be washed away by the next rain shower. And with coverage for up to 5,000 square feet, you can treat a large area of your lawn with just one bottle.

2. Bioadvanced All-In-One Lawn Weed And Crabgrass Killer I, Ready-To-Use, 1 Gal

The BioAdvanced All-in-One Formula is a powerful weed killer that can eliminate a variety of lawn weeds without damaging the grass. This product is designed to tackle over 200 different types of broadleaf weeds, including dandelions and clovers, as well as crabgrass. With just one application, this all-in-one formula can effectively kill these pesky weeds and help restore the beauty of your lawn.

One of the unique features of this product is its SMARTTRACK Marker. This non-staining red marker helps users keep track of which weeds have been treated and fades with sunlight to avoid any unsightly markings on the lawn. Additionally, this formula is rainproof in just one hour, ensuring that it remains effective even in wet weather conditions.

It is important to note that this product is not available for sale in Hawaii and Puerto Rico. However, for those who can purchase it, the BioAdvanced All-in-One Formula is an excellent choice for those who want to keep their lawn looking its best. Its all-in-one formula, combined with its rainproof protection and SMARTTRACK Marker, make it a reliable and effective choice for weed control.

3. Tenacity Turf Herbicide – 8 Ounces (Packaging May Vary)

Tenacity is a highly effective herbicide that provides selective contact and residual control of weeds in turfgrasses. Its systemic pre-emergence and post-emergence formula makes it an ideal solution for controlling weeds both before and after they emerge from the soil.

When used as a pre-emergent herbicide, Tenacity is absorbed by weeds during their emergence from the soil, effectively preventing their growth. Its active ingredient, Mesotrione, makes up 40% of the herbicide and is responsible for its high efficacy.

Tenacity targets a wide range of pests, including but not limited to Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot and others.

The bottle comes with a printed manufacture date, which is not an expiration date. When stored properly, Tenacity has a shelf life of 5-8 years from the date of manufacture. It is important to keep the herbicide out of direct sunlight and extreme temperatures to ensure its effectiveness.

4. Gordon's Trimec Ready Spray Lawn Weed Killer, 1 Quart, 8207460

Introducing a highly convenient and easy-to-use herbicide, designed to effectively tackle a wide range of broadleaf weeds. This herbicide boasts a hose-end ready-spray formulation that allows for effortless application, making it a go-to choice for homeowners and lawn care professionals alike.

Formulated with a powerful 3-way herbicide blend, this product has been proven to effectively kill over 230 different types of broadleaf weeds. It is important to note that when used as directed, this herbicide will not harm most lawn grasses, ensuring that your lawn stays healthy and vibrant.

What sets this herbicide apart from others on the market is its low-odor formulation. This makes it an ideal choice for those who are sensitive to strong chemical odors or who want to avoid the unpleasant smell that often comes with other herbicides.

With one quart of this herbicide, you can treat anywhere from 5,000 to 8,000 square feet of lawn, depending on whether you have a northern or southern lawn. This means that you can achieve maximum coverage with minimal product, making it a cost-effective option for lawn care.

5. Weed Beater Plus: Fast Broadleaf Control Spray.

Introducing Weed Beater Plus, a powerful and efficient weed control solution designed to eliminate over 200 broadleaf weeds in one simple and easy step. With its highly effective formula, it can effectively control crabgrass, dandelion, black medic, chickweed, clover, creeping charlie, ground ivy, and many more!

This product is safe to use on grass, as it is specifically designed to kill a variety of weeds without harming lawn grass. When used as directed, it can effectively eliminate both grassy and broadleaf weeds in lawns, roots and all.

Weed Beater Plus starts working on contact, making it an ideal solution for the treatment of individual weeds, patches of weeds or sparse weeds scattered throughout home lawns. It is a selective weed control solution that targets only the weeds and leaves the grass unharmed.

The active ingredient in Weed Beater Plus is 24d dimethylamine salt, commonly known as 2, 4-D. This herbicide works by changing how the weed's cells grow, leading to their ultimate demise. However, please note that this product is not for sale in AK, HI, and NY.

Weed Beater Plus comes in a convenient ready-to-use container that is fitted with a trigger sprayer. This makes it easy and hassle-free to apply the solution directly onto the weeds, ensuring that they are effectively controlled.

6. Harvest Mesotrione 8oz: The Ultimate Weed Killer.

Looking for a weed killer that targets multiple species of broadleaf weeds and grass? Look no further than Liquid Harvest Mesotrione! This herbicide is not your typical weed killer, as it uses a unique approach to prevent photosynthesis in plants, leading to their demise.

Upon application, Liquid Harvest Mesotrione begins to work immediately, but it may take up to 2-3 weeks for full weed death to occur. It's important to note that Mesotrione must be activated by water, so if rainfall hasn't occurred within 10 days of application, be sure to water the area with 0.15 inches of water.

This product is effective in combating 46 broadleaf species of weed and grass, including but not limited to, Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others. However, it's important to note that this product is not suitable for use on Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass, except for bermudagrass that is still dormant when trying to remove weeds or target grasses from it. If the bermuda is only semi-dormant, you may see whitening and damage to the bermuda.

For best results, the recommended dosage is 4-8 oz. per 30 gallons of water per acre, and it's important to use a surfactant to increase effectiveness. Be sure to read the label for full instructions before use.

One of the benefits of Liquid Harvest Mesotrione is that it prevents crabgrass seed germination and kills broadleaf weeds (including dandelion and clover) on contact, while allowing certain cool season turfgrass to grow in a weed-free environment. This makes it a very useful herbicide for those looking to maintain a lush, green lawn.

7. Bayer Crop Science 704125 All-In-One Lawn Weed And Crabgrass Killer Ready-To-Use, 24-Ounce

BioAdvanced's All-in-One formula is the ultimate solution for keeping the lawn weed-free without causing any harm. The all-in-one formula is designed to kill over 200 listed broadleaf weeds like dandelions and clovers, along with crabgrass. It is a powerful weed killer that effectively eliminates weeds without damaging the lawn.

One of the unique features of this product is the SmartTrack non-staining red marker. This feature helps users identify the treated areas. The marker fades with sunlight and does not leave any permanent stains. This ensures that users can easily track the treated weeds and avoid any overlaps.

BioAdvanced's All-in-One formula is rainproof in just one hour, providing long-lasting protection against the elements. It is specially formulated to withstand harsh weather conditions and keep the lawn looking fresh and healthy.

It is important to note that BioAdvanced's All-in-One formula is not for sale in Hawaii and Puerto Rico. Users should check their local regulations before purchasing the product.

8. Harvest Mesotrione – Ultimate Lawn Weed Killer.

Liquid Harvest Mesotrione is an effective herbicide that can help prevent crabgrass seed germination and eliminate broadleaf weeds on contact. With a 40% active ingredient, it can inhibit photosynthesis in susceptible plant species and is absorbed by the roots, shoots, and leaves, distributing throughout the plant. Liquid Harvest Mesotrione targets 46 broadleaf species of weed and grass, including Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others.

It is important to note that Liquid Harvest Mesotrione is only suitable for use in specific grass types, such as Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, and St. Augustine Grass (grown for sod only). It should not be applied to Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. However, it can be used on dormant bermudagrass to remove weeds or target grasses. If the bermuda is only semi-dormant, it may result in whitening and damage to the bermuda.

To use the product, mix 4-8 oz. of Liquid Harvest Mesotrione with 30 gallons of water per acre and use a surfactant to increase effectiveness. It is important to read the label carefully for full instructions. While it may absorb and start working immediately, it may take up to 2-3 weeks before full death occurs on the weeds.

It is also crucial to activate Liquid Harvest Mesotrione with water. If rainfall has not occurred within 10 days of application, it is recommended to water the area with 0.15 inches of water.

9. Bioadvanced All-In-One Lawn Weed And Crabgrass Killer I, Concentrate, 40 Oz

BioAdvanced's All-in-One formula is a powerful solution that effectively eliminates lawn weeds and crabgrass without causing any harm to the lawn. With this all-in-one formula, users can benefit from both weed-killing and crabgrass control, making it an essential product for maintaining a healthy and weed-free lawn.

This formula is specifically designed to target over 200 listed broadleaf weeds, including common ones like dandelion and clover. In addition, it also effectively kills crabgrass, which is often a stubborn and challenging weed to remove. This makes it a highly versatile solution that can tackle a wide range of lawn weed problems.

One of the standout features of this product is its SmartTrack marker, which is a non-staining red marker that helps users keep track of the treated weeds. The marker fades with sunlight, making it a convenient and hassle-free tool to ensure the user does not miss any treated areas.

Another great feature of BioAdvanced's All-in-One formula is its rainproof protection. The formula is designed to provide rainproof protection within just one hour of application, ensuring that the product remains effective even in wet weather conditions.

10. Agralawn Crabgrass Killer, Fast-Acting 2 Lb Bottle, Naturally Safer Weed Killer

The product being reviewed is formulated for use on St. Augustine, Common Bermuda, Bahia and Centipede grass types. When applied properly, it has been proven to cause minimal reaction or yellowing to these specific grass types, making it a safe option for homeowners and lawn care professionals alike.

The product is designed to work by being absorbed through the leaves of the targeted weeds and roots, effectively eliminating them. It is important to note that this product has been exempted from EPA registration under the Federal Insecticide, Fungicide and Rodenticide Act, Section 25(b) rule, which means it is considered safe for use without requiring EPA certification.

One of the key benefits of this product is that it will not harm St. Augustine grass, which is a popular choice for lawns in many regions. This makes it a great option for those who want to keep their lawn healthy and weed-free without damaging the grass itself.

Additionally, this product is categorized as a post-emergent herbicide, meaning that it is designed to target weeds that have already emerged from the ground rather than preventing them from growing in the first place. This makes it an effective tool for treating existing weed problems and keeping them under control.

Best Crabgrass Killer For Lawns FAQs

Are there any natural or home remedies for killing crabgrass in lawns?

Yes, there are a few natural and home remedies that can help in killing crabgrass in lawns.

One effective way to control crabgrass is by using corn gluten meal. This is a natural pre-emergent herbicide that can prevent the germination of crabgrass seeds. It can also be used as a fertilizer and is safe for pets and children. Another natural remedy is vinegar. A mixture of white vinegar and water can be sprayed on crabgrass to dry it out and eventually kill it. However, it is important to avoid getting the vinegar mixture on other plants as it can harm them too.

Another home remedy is using boiling water. Boiling water can be poured onto the crabgrass to kill it. However, this method can also harm other plants nearby, so it should be used with caution.

Lastly, hand-pulling crabgrass is also an effective way to control it. This is a physical method that can be time-consuming but can be done without using any chemicals or harming other plants in the lawn.

It's important to note that while these natural remedies can be effective, they may not completely eliminate crabgrass. A combination of methods may be necessary to achieve the best results.

Can I use a crabgrass killer on my lawn without harming other plants or grasses?

Yes, it is possible to use a crabgrass killer on your lawn without harming other plants or grasses. However, it is essential to choose the right product and follow the instructions carefully. Crabgrass killers contain herbicides that target specific plants, and some products are formulated to be safe for use on lawns without damaging other vegetation. Before purchasing a crabgrass killer, read the label carefully and ensure that it is safe for use on your lawn. Also, consider the timing of application, as some herbicides are effective only at certain stages of crabgrass growth. It is also recommended to avoid applying the herbicide on windy days to prevent drift onto other plants. In summary, using a crabgrass killer on your lawn without harming other plants or grasses is possible with the right product, careful application, and proper timing.

How can I choose the best crabgrass killer for my lawn?

When it comes to choosing the best crabgrass killer for your lawn, there are several factors to consider. First, you need to determine the severity of the crabgrass infestation in your lawn. If it is a minor infestation, a selective herbicide that targets only crabgrass may be sufficient. However, if the infestation is severe, you may need a non-selective herbicide that will kill all plants in the affected area.

Next, consider the type of lawn you have. Some crabgrass killers may be harmful to certain types of grass, so it's important to choose a product that is safe for your lawn. You should also check the labels of the products you are considering to ensure they are approved for use in your state.

Another factor to consider is the application method. Some crabgrass killers require mixing with water and spraying, while others come in a ready-to-use spray bottle. Choose a product that suits your needs and preferences.

Lastly, consider your budget. Crabgrass killers come in a range of prices, so determine how much you are willing to spend before making a purchase.

Overall, choosing the best crabgrass killer for your lawn requires careful consideration of the severity of the infestation, the type of lawn, the application method, and your budget.

How long does it take for a crabgrass killer to work on my lawn?

The time it takes for a crabgrass killer to work on your lawn can vary depending on the specific product you are using. Most crabgrass killers will start to show results within a few days to a week, but it can take up to several weeks for the crabgrass to completely die off. It is important to follow the instructions on the product label carefully, as applying too much or too little can affect the effectiveness and speed of the treatment. Additionally, weather conditions can also impact how quickly the crabgrass killer works. For example, hot and dry weather can make the crabgrass more resistant to the treatment, while cooler temperatures and moisture can help the product work more effectively. Ultimately, it is important to be patient and consistent with your application of the crabgrass killer to ensure the best results.

How often should I apply a crabgrass killer to my lawn to maintain a crabgrass-free yard?

Crabgrass is a stubborn weed that can be difficult to control but with the right strategy, you can maintain a crabgrass-free lawn. When it comes to applying crabgrass killer, the frequency will depend on the product you choose and the severity of the weed infestation. Some products recommend a one-time application while others require multiple applications throughout the growing season.

For best results, you should apply crabgrass killer in the spring before the weed starts to germinate. If you already have crabgrass in your lawn, it's best to treat it as soon as possible before it spreads. If using a pre-emergent herbicide, it's important to apply it before the seeds germinate, which is typically when soil temperatures reach 55-60 degrees Fahrenheit.

If you're using a post-emergent herbicide, you should apply it when the crabgrass is actively growing and has not yet reached maturity. It's important to follow the instructions on the product label carefully and not to exceed the recommended application rates. Over-application can damage your lawn and harm the environment.

In summary, the frequency of crabgrass killer application will depend on the product and the severity of the weed infestation. For best results, apply crabgrass killer in the spring before the weed starts to germinate and follow the instructions on the product label carefully.

Is it better to use a pre-emergent or post-emergent crabgrass killer for lawns?

The answer to this question depends on the stage of growth of the crabgrass in your lawn. Pre-emergent crabgrass killer is used before the crabgrass has a chance to germinate. It forms a barrier on the soil surface and prevents the crabgrass seeds from sprouting. If you apply it at the right time, before the soil temperature reaches 55 degrees Fahrenheit, it can be very effective in preventing crabgrass from growing.

On the other hand, post-emergent crabgrass killer is used after the crabgrass has already started to grow. It works by killing the crabgrass plants that have already sprouted. If you have a lot of crabgrass in your lawn, this may be the best option for you.

Ultimately, the best approach is to use a combination of pre-emergent and post-emergent crabgrass killers to keep your lawn free of this pesky weed. By applying pre-emergent crabgrass killer in the spring and using post-emergent crabgrass killer as needed throughout the growing season, you can keep your lawn looking healthy and beautiful all year round.

What are the most effective crabgrass killers for lawns?

Crabgrass is a common weed that can invade and take over your lawn if left untreated. Fortunately, there are several effective crabgrass killers available on the market. One of the most effective crabgrass killers is a pre-emergent herbicide, which works by preventing crabgrass seeds from germinating. Some popular pre-emergent herbicides include dithiopyr, pendimethalin, and prodiamine. These herbicides should be applied in the early spring before the soil temperature reaches 55 degrees Fahrenheit.

Another effective crabgrass killer is a post-emergent herbicide, which is used to kill crabgrass that has already emerged. Some popular post-emergent herbicides include quinclorac, mesotrione, and fenoxaprop-ethyl. These herbicides should be applied when the crabgrass is actively growing and before it reaches maturity.

It's important to note that herbicides should be used according to their instructions and with caution, as they can also harm desirable plants and turfgrass. Additionally, maintaining a healthy lawn through proper watering and fertilization can help prevent the growth of crabgrass and other weeds.

What are the potential health and environmental risks of using crabgrass killers on lawns?

The use of crabgrass killers on lawns can have potential health and environmental risks. Crabgrass killers contain chemicals that can be harmful to humans and animals if ingested or inhaled. They can also be toxic to aquatic life if runoff reaches bodies of water.

In addition, crabgrass killers can harm beneficial insects, such as bees and butterflies, which are essential for pollination. This can have a negative impact on the ecosystem and biodiversity.

Furthermore, the chemicals in crabgrass killers can leach into soil and groundwater, contaminating them and posing a risk to human health. Children and pets are particularly vulnerable to exposure, as they often play on lawns treated with crabgrass killers.

To minimize these risks, it is important to follow the instructions on the product label carefully and use protective gear when applying the product. Consider using alternative methods, such as manual removal or natural weed control, to avoid the use of chemical pesticides. Always dispose of unused crabgrass killers properly and avoid overuse.

What are the pros and cons of using chemical versus organic crabgrass killers for lawns?

When it comes to crabgrass control, there are two main options available: chemical and organic crabgrass killers. Each has its own set of pros and cons.

Chemical crabgrass killers are often more effective and faster acting than organic options. They also tend to be less expensive and easier to find at garden centers. However, they can be harmful to the environment and may kill other plants in the lawn if not used properly. Additionally, chemical crabgrass killers may require multiple applications to completely eliminate the weed, which can be costly and time-consuming.

On the other hand, organic crabgrass killers are environmentally friendly and safe for pets and children. They work by smothering the crabgrass, so they don't harm nearby plants. However, they may not be as effective as chemical options, and it can take longer to eliminate the weed. Organic options can also be more expensive, and they may require more effort to apply, as they often need to be mixed with water and applied with a sprayer.

In summary, while chemical crabgrass killers may be more effective and less expensive, they can be harmful to the environment and other plants. Organic options are safer and environmentally friendly, but they may not be as effective and can be more expensive. It is important to consider the pros and cons of each option before deciding which one to use.

What is the best time of year to apply a crabgrass killer to my lawn?

The ideal time to apply crabgrass killer to your lawn depends on the type of crabgrass that is growing in your lawn. There are two types of crabgrass- smooth crabgrass and large crabgrass. Smooth crabgrass typically germinates in the early spring, while large crabgrass usually germinates in late spring or early summer.

For smooth crabgrass, the best time to apply crabgrass killer is in early spring, before the crabgrass has a chance to grow and spread. It is essential to apply the pre-emergent herbicide before the soil temperature reaches 55 degrees Fahrenheit, which is the temperature required for the crabgrass seed to germinate.

For large crabgrass, the best time to apply crabgrass killer is when the grass is actively growing, usually in late spring or early summer. The herbicide should be applied when the crabgrass is in the early stages of growth, and before it begins to produce seed heads.

It is essential to read the instructions on the crabgrass killer product carefully before applying it to your lawn. You should also avoid applying the herbicide during periods of high heat or drought, as this can damage your lawn.

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