If you’re looking for ways to tackle crabgrass in your lawn, then you’ve probably come across the term “pre emergent”. But what exactly is pre emergent and how do you determine the best pre emergent to use for crabgrass?
When choosing a pre emergent that is most effective for crabgrass, there are a few crucial factors to consider. Firstly, you’ll want to look at the timing of application to ensure that you apply it at the right time in order to prevent any crabgrass from germinating. Secondly, you’ll want to take into account the type and level of soil in your garden, as well as any herbicides, fertilizers, or other chemicals you may have applied. Thirdly, consider the climatic conditions of your location as crabgrass thrives in hot and dry weather.
Are you struggling to choose the right pre emergent for crabgrass in your lawn? Perhaps you’re not even sure if pre emergent is the right option for you. How do you know if you have a crabgrass problem in the first place? And is it really necessary to use pre emergent herbicides? Keep reading to find out more about the best pre emergent for crabgrass, and to discover answers to common questions about crabgrass and lawn care.
10 Best Pre Emergent For Crabgrass
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This herbicide is ideal for preventing the growth of weeds before they emerge in lawns and turf areas.
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2
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This product is ideal for controlling weeds and promoting healthy turf in residential and commercial areas.
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3
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This product is ideal for preventing weed growth before it emerges in lawns, landscapes, and other turfgrass areas.
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4
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It is ideal for preventing weeds and grass from growing in lawns and ornamental areas.
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5
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This product is ideal for preventing weed growth before it emerges in lawns, gardens, and other outdoor areas.
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6
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This product is ideal for preventing weeds and promoting healthy lawn growth.
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7
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It is an all-in-one weed control product for use in both cool and warm weather that is lawn-friendly.
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8
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Ideal for preventing the growth of crabgrass, dandelions, and other broadleaf weeds in lawns and commercial landscapes.
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9
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The product is ideal for controlling weeds in turf, ornamentals, and non-crop areas.
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10
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The product is ideal for preventing the growth of weeds before they emerge from the soil.
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1. Gallery Turf Pre-Emergent Herbicide – 1 Pound Bottle

This product is a highly effective preventive treatment for broadleaf weeds, designed to keep your lawn or garden free from unwanted growth for up to eight months. With the ability to prevent the growth of 95 species of broadleaf weeds, you can trust that this product will keep your outdoor space looking its best.
The product comes in a water dispersible granule form that easily mixes in water, making it simple to apply as a liquid spray. This allows for precise application and coverage, ensuring that all areas of your lawn or garden are adequately treated and protected.
This broadleaf weed preventive treatment is recommended for use on all established cool- and warm-season turfgrasses, making it a versatile solution for any outdoor space. Whether you have a large, sprawling lawn or a small garden area, this product can help keep your greenery looking healthy and beautiful.
With its long-lasting effects and ease of application, this product is a must-have for anyone looking to maintain a weed-free outdoor space. Say goodbye to unsightly weeds and hello to a beautiful lawn or garden with this top-of-the-line preventive treatment.
2. Tenacity Turf Herbicide – 8 Ounces (Packaging May Vary)

If you're looking for a systemic herbicide that can effectively control weeds in your turfgrass, Tenacity Herbicide is the answer. With its selective contact and residual control of various weeds, Tenacity is a pre-emergence and post-emergence herbicide that provides long-lasting protection against weed growth.
As a pre-emergent herbicide, Tenacity is absorbed by weeds during their emergence from the soil, effectively preventing their growth. Its active ingredient, Mesotrione 40%, targets a wide range of weeds, including Barnyardgrass, Carpetweed, Chickweed, Clover, Crabgrass (large & smooth), Dandelion, Foxtail, Goosegrass, Henbit, Yellow Nutsedge, Purslane, Thistle, Wild Carrot, and others.
The bottle of Tenacity Herbicide has the manufacture date printed on it, not the expiration date. When properly stored in a cool, dry place and away from direct sunlight and extreme temperatures, the herbicide can last for 5-8 years from the date of manufacture.
Tenacity Herbicide is user-friendly and easy to apply. It can be used on both residential and commercial turfgrass, including golf courses, athletic fields, and sod farms. The herbicide is also rainfast within hours of application, making it ideal for areas with unpredictable weather conditions.
3. Barricade 4fl Pre-Emergent Herbicide – 1 Gallon

Looking for an effective and long-lasting solution for controlling crabgrass, Poa annua, and other weeds in your lawn or garden? Look no further than this product! With its low-rate, season-long control, this product is the perfect solution for busy homeowners who want to keep their lawns looking great all year round.
One of the key benefits of this product is that it allows for applications as early as January that last the entire season. This means you can get a jump on weed control and enjoy a beautiful, weed-free lawn all year long. And with dial-in rates that offer cost efficiency, especially in northern regions, you can save money while still getting the results you want.
Another great feature of this product is that it won't stain shoes, fences, or other landscape features like some other weed control products on the market. This means you can use it with confidence, knowing that your lawn and garden will look great and you won't have to worry about any unsightly stains or damage.
When it comes to application, the use rate ranges from 16-48 oz per acre, so be sure to consult the label for your area's best use rate. With its powerful formula and easy-to-use application process, this product is a must-have for any homeowner who wants to keep their lawn looking healthy and beautiful all year round. So why wait? Try it today and start enjoying the benefits of low-rate, season-long weed control!
4. Hi-Yield (33030) Turf & Ornamental Weed & Grass Stopper (12 Lbs.)

The product being described is a 12 lb. bag of granular weed killer that is designed to provide excellent control of Crabgrass and many other annual grass and broadleaf weeds. This product is ideal for use on ornamental landscape areas, established lawns, and ornamental turf. It can also be applied up to 4 weeks later than other pre emergent crabgrass products, making it a more flexible option for homeowners looking to control weeds throughout the season.
One of the key benefits of this product is its ability to treat up to 5,000 sq. feet, making it a cost-effective solution for larger properties. To achieve the best results, it is recommended to apply this product within a few days of mowing. This ensures that the granules have maximum contact with the soil and weeds, providing superior control.
The product label provides detailed information on application rates, making it easy for homeowners to apply the product correctly and achieve optimal results. It is important to follow the label instructions closely to ensure the product is used safely and effectively.
5. Dow Snapshot 2.5 Tg Granular Pre-Emergent Herbicide

The Snapshot 2.5 pre-emergent herbicide is the perfect solution for those with weed problems. With its superior control capabilities, it outperforms all competing herbicides on the market. With up to 6-8 months of control, it is effective against 111 varieties of broadleaf and grassy weeds.
To apply, simply use the recommended rate of 2.3 to 4.6 pounds per 1000 square feet. It is important to note that the material must be applied before rainfall or irrigation to ensure maximum effectiveness.
The Snapshot 2.5 pre-emergent herbicide provides broad-spectrum control of weeds and grasses using active ingredients isoxaben and trifluralin. This ensures that the herbicide is both powerful and effective, providing long-lasting control of unwanted weeds and grasses.
6. The Andersons Barricade 50 Lb Bag

The Barricade professional-grade pre-emergent weed control is an excellent solution for preventing weeds in a lawn or garden. Its active ingredient, prodiamine, is highly effective in preventing the growth of over 30 different grass and broadleaf weeds. It is a trusted choice among top turf care professionals and gardeners for its ability to prevent problem weeds while keeping desirable plants unharmed.
It is important to note that this product should only be applied in early spring and fall. It is not designed to eliminate existing weeds but rather to prevent new ones from growing. By using this pre-emergent weed control, one can avoid the tedious and time-consuming task of weeding altogether.
The DG Pro formulation of this product allows for more particles per square inch of chemical, leading to better control of weeds. It is of professional-grade quality, ensuring that it is powerful and effective. With its ability to prevent weed growth, one can have a lush and healthy lawn or garden without unsightly and unwanted weeds.
7. Weed Fighter: Bonide All-In-One Control.

Weed Beater Complete is a powerful and effective solution for those seeking to control weeds on their property. With just 10 pounds of this product, you can protect up to 5,200 square feet of your property from both grassy and broadleaf weeds.
One of the key benefits of Weed Beater Complete is its pre and post formula. This means that it is capable of controlling both pre-emerging and post-emerging weeds, giving you full protection against any potential threats. It is also effective against a wide range of weeds, including crabgrass, nutsedge, goosegrass, ground ivy, and more.
The systemic action of this product is particularly impressive. It is able to kill even the toughest weeds, with the formula penetrating all the way down to the root. This ensures that weeds won't simply grow back after being treated, giving you long-lasting protection against unwanted growth.
Another benefit of Weed Beater Complete is its granular application. Unlike other weed killer formulas, this product is a dry-application granule that can be used on both warm and cool season grasses. It is equally effective on both types of grass, and can be applied with ease.
Finally, Weed Beater Complete is ready to use straight out of the box. There is no need for any additional mixing or preparation, and it can be applied exactly as directed on the label. This ensures that you get the best possible results from your weed control efforts, without any unnecessary hassle.
8. Prodiamine 65 Wdg 5lbs Pre-Emergent Grass Broadleaf Weeds ( Generic Barricade )

Quali-Pro's Prodiamine 65 WDG is a pre-emergent herbicide that provides effective control against grass and broadleaf weeds. With its flexible application, it can be used both in the spring and fall to provide season-long control of crabgrass. Each bottle of Quali-Pro's Prodiamine 65 WDG contains 5 pounds of the herbicide.
One of the many features and benefits of Quali-Pro's Prodiamine 65 WDG is that it is an excellent tank mix partner with fertilizers and iron solutions. This allows for easy and efficient application during the growing season. Additionally, it can be used effectively on various sites including nurse, landscape, turf, trees, and golf courses.
Quali-Pro's Prodiamine 65 WDG is highly effective against a variety of common weeds such as annual bluegrass (Poa annua), Henbit, Knotweed, Chickweed, Spurge, Foxtail, and Goosegrass. Its active ingredient, Prodiamine 65%, ensures that weeds are prevented from emerging and taking hold in your garden or lawn.
9. Pendulum 2g Herbicide – 40 Pound Bag

This herbicide is a top choice for those seeking a safe and effective solution for weed control. Recommended by university specialists, it has been proven to provide excellent crop safety for a range of annuals, perennials, and woody ornamentals.
Designed for over-the-top use in nurseries on species that are sensitive to oxyfluorfen or other broadleaf herbicides, this product contains the active ingredient pendimethalin. This ingredient has been a long-time industry leader in preemergent weed control performance and value.
This herbicide is available in an excellent granular formulation that is ideal for use in landscape beds where safety is required across a variety of ornamental plant materials. With a 40-pound bag, users can cover an impressive 8,000-16,000 square feet of area, making it an economical solution for weed prevention.
In addition to its impressive weed prevention capabilities, this herbicide is also an effective crabgrass and Poa annua preventer. So, users can rest easy knowing that their lawn and garden will be protected from a range of invasive species.
10. Quali-Pro Prodiamine, Pre-Emergent Herbicide, 5 Lbs, Yellow Granules

Quali-Pro's Prodiamine 65 WDG is a pre-emergent herbicide that provides exceptional control of grass and broadleaf weeds. This product offers a flexible application, allowing for both spring and fall use, providing season-long crabgrass control. It is available in a 5-pound bottle and is an excellent tank mix partner with fertilizers and iron solutions.
This pre-emergent herbicide is perfect for use in nurse, landscape, turf, trees, and golf courses. It is effective against a variety of weeds, including annual bluegrass (Poa annua), henbit, knotweed, chickweed, spurge, foxtail, and goosegrass. With its active ingredient, Prodiamine 65%, this herbicide is a reliable and effective solution for controlling unwanted weeds.
One of the notable features of Quali-Pro's Prodiamine 65 WDG is its versatility. This herbicide can be used in a wide range of sites, making it a popular choice for landscapers and golf course owners. Its flexible application also allows for convenient use in both the spring and fall seasons, providing long-lasting control of crabgrass.
This pre-emergent herbicide is an excellent tank mix partner with fertilizers and iron solutions, making it a convenient and efficient solution for controlling weeds. It is easy to apply and provides reliable results, ensuring that landscapes and golf courses stay weed-free.
Best Pre Emergent For Crabgrass FAQs
Are there any natural pre emergent options for crabgrass prevention?
Yes, there are natural pre-emergent options for crabgrass prevention. Pre-emergent herbicides are chemicals that can prevent the germination of crabgrass seeds. However, there are some natural alternatives that can be effective as well. One such option is corn gluten meal, which is a natural byproduct of corn processing. It works by inhibiting the growth of new roots in germinating seeds. Another natural option is using a thick layer of mulch to prevent sunlight from reaching the soil and encouraging crabgrass growth. Additionally, maintaining a healthy lawn by mowing at the proper height and watering deeply but infrequently can also help prevent crabgrass from taking hold. It's important to note that natural options may take longer to see results and may need to be applied more frequently than chemical options. It's also important to read and follow all instructions and precautions when using any type of herbicide, natural or chemical.
Can I use a pre emergent herbicide to control crabgrass and other weeds?
Yes, pre-emergent herbicides are effective in controlling crabgrass and other weeds. These herbicides work by inhibiting the growth of weed seeds before they germinate, preventing them from establishing roots and growing into mature plants.
It is important to apply pre-emergent herbicides at the right time and under the right conditions for them to be effective. Typically, they are applied in the spring before soil temperatures reach 55-60 degrees Fahrenheit, which is when crabgrass seeds begin to germinate.
When applying pre-emergent herbicides, it is important to follow the label instructions carefully, including the recommended application rate and timing. It is also important to ensure that the herbicide is evenly distributed over the targeted area for maximum effectiveness.
It should be noted that pre-emergent herbicides will not control weeds that have already germinated and established roots. In such cases, post-emergent herbicides may be necessary.
How do I choose the best pre emergent for my lawn?
Choosing the best pre emergent for your lawn can be a daunting task. However, with the right information, you can make an informed decision. The first step is to determine the type of grass you have in your lawn. Different grass types have different pre emergent requirements. For instance, St. Augustine grass requires a different pre emergent than Bermuda grass.
The second step is to consider the weeds that are common in your area. This will help you choose a pre emergent that is effective against those weeds. Some pre emergents are broad-spectrum, while others are designed to target specific weeds.
The third step is to read the label carefully. The label will provide you with information on the active ingredient, application rates, and any precautions you need to take. Make sure to follow the instructions carefully to avoid damaging your lawn.
Lastly, consider the timing of the application. Pre emergents should be applied before the weeds germinate. This means that the timing of the application will vary depending on your location and the climate. Consult with a lawn care professional or refer to the label for guidance on the appropriate timing of the application.
How long does pre emergent herbicide last for crabgrass prevention?
Pre-emergent herbicides are commonly used to prevent crabgrass growth in lawns and gardens. The duration of the effectiveness of these herbicides varies depending on several factors such as the type of herbicide used, application rate, environmental conditions, and maintenance practices. Generally, pre-emergent herbicides last anywhere from 2-6 months.
For instance, dithiopyr, prodiamine, and pendimethalin herbicides are known to last for about 3-4 months, while other herbicides may last up to 6 months. However, it is important to note that effectiveness may reduce over time due to weather changes, heavy rainfall, and other factors. Therefore, it is recommended to reapply pre-emergent herbicides every 3-4 months to ensure continuous protection against crabgrass growth.
Additionally, it is essential to follow the manufacturer's instructions regarding application rates, timing, and other precautions to prevent damage to your lawn or garden. Regular lawn maintenance practices, such as proper mowing and watering, also help to prevent weed growth and maintain the effectiveness of pre-emergent herbicides.
How often should I apply pre emergent herbicides to prevent crabgrass?
Pre emergent herbicides are an effective way to prevent crabgrass from taking over your lawn. Crabgrass is a common weed that can quickly spread and take over a lawn, so it is important to apply pre emergent herbicides at the right time to prevent it from growing.
The frequency of application of pre-emergent herbicides depends on the type of herbicide you are using. Some herbicides can last for several months, while others may need to be reapplied every four to six weeks.
As a general rule, pre emergent herbicides should be applied twice a year, in the spring and fall, to prevent crabgrass growth. It is important to apply the herbicide before the crabgrass seeds germinate, which usually occurs when the soil temperature reaches around 55-60 degrees Fahrenheit.
It is important to follow the instructions on the label of the herbicide and to apply it evenly across the lawn to ensure maximum effectiveness. Additionally, it is important to note that pre emergent herbicides will also prevent desirable grass seeds from germinating, so it is important to plan your lawn maintenance accordingly.
What are the key ingredients in the best pre emergent herbicides for crabgrass?
Pre-emergent herbicides are an effective way to prevent crabgrass growth in lawns and gardens. The best pre-emergent herbicides for crabgrass contain key ingredients that work to inhibit the growth of crabgrass seeds. One of the most common ingredients is dithiopyr, which works by preventing the growth of crabgrass roots. Another important ingredient is prodiamine, which is known for its long-lasting effectiveness against crabgrass. Pendimethalin is also a popular ingredient in pre-emergent herbicides, as it works to stop the germination of crabgrass seeds.
Other important ingredients in the best pre-emergent herbicides for crabgrass include benefin, which acts quickly to prevent crabgrass growth, and oryzalin, which is effective at preventing crabgrass growth for up to six months. It's important to note that different brands and products may contain varying combinations of these ingredients, so it's important to read labels carefully and choose a product that is appropriate for your specific needs. Additionally, it's important to follow all instructions carefully to ensure safe and effective use of pre-emergent herbicides.
What are the pros and cons of using pre emergent herbicides for crabgrass control?
Pre-emergent herbicides are a popular method of controlling crabgrass, a common weed that is known for proliferating rapidly and crowding out desirable plants. While these products offer several advantages, they also come with some drawbacks.
Pros:
1. Effective control: Pre-emergent herbicides work by preventing the germination of weed seeds, which means they can be highly effective at controlling crabgrass.
2. Long-lasting: Many pre-emergent herbicides provide season-long control, which means you won't have to worry about crabgrass reappearing later in the year.
3. Easy to apply: Pre-emergent herbicides are easy to apply, with many products available in granular or liquid form.
Cons:
1. Limited scope: Pre-emergent herbicides only work on germinating seeds, which means they won't be effective against established weeds.
2. Timing is critical: To be effective, pre-emergent herbicides must be applied at the right time of year, typically before the soil temperature reaches a certain threshold.
3. Environmental concerns: Some pre-emergent herbicides can be harmful to non-target plants and animals, so it's important to use them carefully and follow the label instructions.
Overall, pre-emergent herbicides can be an effective tool for controlling crabgrass, but they're not without their limitations. It's important to weigh the pros and cons carefully and use these products responsibly to minimize any potential risks.
What is the best pre emergent for preventing crabgrass?
When it comes to preventing crabgrass, pre-emergent herbicides are the most effective option. There are various pre-emergent herbicides available in the market, but choosing the best one can be a bit tricky. The most commonly used and effective pre-emergent for preventing crabgrass is Prodiamine. It is a selective herbicide that works by preventing the weed seeds from germinating. Prodiamine is considered the best because it has a long residual effect and can prevent crabgrass for up to 4 months.
Another effective pre-emergent herbicide is Dithiopyr. It is a bit more expensive than Prodiamine, but it has a longer window of application, making it a good option for those who are late to apply pre-emergents. Other popular options include Pendimethalin and Isoxaben. However, it is important to note that the effectiveness of any pre-emergent herbicide depends on the timing of application, soil temperature, and weather conditions. It is recommended to apply pre-emergent in early spring before the soil temperature reaches 55-60 degrees Fahrenheit.
What is the best time of year to apply pre emergent herbicides for crabgrass control?
The best time to apply pre-emergent herbicides for crabgrass control depends on your location and climate. In general, pre-emergent herbicides should be applied in the spring, before the soil temperature reaches 55 degrees Fahrenheit and before crabgrass seeds have a chance to germinate. For most areas, this means applying the herbicide between late March and early April. However, if you live in a warmer climate, you may need to apply the herbicide earlier in the year.
It's important to apply the pre-emergent herbicide before crabgrass has a chance to germinate, as once the seeds have sprouted, the herbicide will be ineffective. Additionally, it's important to follow the manufacturer's instructions carefully when applying pre-emergent herbicides, as applying too much or too little can reduce its effectiveness. With proper application, pre-emergent herbicides can provide effective control of crabgrass and other annual weeds, helping to keep your lawn healthy and weed-free.
What is the most effective pre emergent herbicide for crabgrass control?
The most effective pre-emergent herbicide for crabgrass control is one that contains active ingredients such as prodiamine, pendimethalin, or dithiopyr. These active ingredients provide long-lasting control, preventing crabgrass seeds from germinating and establishing themselves in your lawn or garden. These herbicides work by creating a barrier in the soil that inhibits the growth of crabgrass roots, preventing them from taking hold and spreading. It is important to apply the herbicide before crabgrass seeds germinate, typically in early spring before soil temperatures reach 55 degrees Fahrenheit. Additionally, it is crucial to follow the manufacturer's instructions carefully and apply the herbicide evenly to ensure proper coverage. While there are many pre-emergent herbicides available on the market, it is important to choose one that is specifically formulated for crabgrass control and has been tested for effectiveness.