Best Pre Emergent Weed Killers (2024 Update)
If you're looking for a way to keep your lawn or garden free from weed growth, then pre-emergent weed killers could be the solution you need. These products are designed to stop weeds from germinating and growing, while leaving your other plants unharmed. But with so many options on the market, how do you know which pre-emergent weed killers are the best for your needs?
Before buying any pre-emergent weed killer products, you should consider a few factors to ensure you choose the right one. First, think about the type of weeds you want to prevent from growing, as some products are more effective against certain types of weeds. You should also consider factors such as your soil type, climate, and the amount of sunlight your plants receive. Finally, take into account the size of your lawn or garden and the budget you have available.
If you're wondering why pre-emergent weed killers are such a great investment, consider these questions. Do you spend hours each week pulling up weeds? Are you tired of spending money on weed-control products that don't work? Would you like to have a beautiful lawn or garden that is free from unwanted weed growth? If any of these questions resonate with you, then pre-emergent weed killers could be the perfect solution to your problems. With the right product, you can achieve a weed-free lawn or garden without any hassle and enjoy the beauty of your outdoor space.
11 Best Pre Emergent Weed Killers
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Ideal for preventing weed growth in an area of up to 805 sq. ft.
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2
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Prevents crabgrass, chickweed, and other grassy weeds from growing in lawns up to 10,000 sq. ft.
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3
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Ideal for preventing weed growth in large outdoor areas, covering up to 15,000 square feet per application.
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4
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This product is ideal for controlling weeds before they grow on large areas, up to 12,880 sq ft.
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5
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Ideal for fertilizing and preventing weed growth in lawns up to 5,000 square feet.
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6
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It is an effective pre and post-emergent weed killer for maintaining a healthy lawn and turf grasses.
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7
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This product is ideal for controlling weeds in commercial and residential lawns, both before and after they emerge.
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8
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This product is ideal for preventing weeds in lawns and gardens in an organic and eco-friendly way.
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9
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It is ideal for preventing weed growth in lawns and gardens.
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10
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It is ideal for preventing the growth of weeds before they emerge in lawns, ornamentals, and other areas.
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11
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This product is ideal for preventing weed growth before it starts in lawns, gardens, and other landscaping areas.
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1. Preen Extended Control Weed Preventer – 4.93 Lb. Bottle – Covers 805 Sq. Ft.
The Preen Extended Control Weed Preventer is a highly effective solution for keeping your garden and landscape free from pesky weeds for up to six months. With its guaranteed application, you can rest assured that your outdoor space will remain weed-free for an extended period of time.
This product is specially designed to be used around more than 600 types of perennials, groundcovers, shrubs, and trees, as listed on the product label. Its flip-top applicator cap makes it incredibly easy to apply, ensuring that your weed prevention efforts are quick and efficient.
It's important to note that the Preen Extended Control Weed Preventer should not be used on flower seeds, lawns, vegetable gardens, water gardens, or other food-producing or edible plants. This product is not available for sale in NY.
Each package of the Preen Extended Control Weed Preventer is capable of covering an area of 805 sq. ft., making it an ideal solution for larger outdoor spaces. Whether you're a seasoned gardener or a beginner looking to keep your outdoor space healthy and beautiful, the Preen Extended Control Weed Preventer is an excellent choice.
2. Scotts Crabgrass & Weed Preventer For Lawns
Looking for a reliable and effective solution to prevent crabgrass and weeds from taking over your lawn? Look no further than this innovative product, designed to provide all-season protection against common weeds and unwanted growth.
With just one application in the spring, this product can effectively prevent crabgrass and other problematic weeds from taking root and causing damage to your lawn. This means you can enjoy a lush, green lawn all season long, without having to worry about the hassle and expense of weed removal.
But that's not all – this product is also effective in the fall, when it can help prevent winter weeds like poa annua, henbit, and chickweed from growing and spreading. And even in the face of rain, snow, or freezing weather, this product's performance won't be affected, giving you the peace of mind you need to enjoy your lawn year-round.
So why wait? If you're ready to take your lawn care to the next level and say goodbye to crabgrass and pesky weeds for good, give this product a try today and see the difference for yourself!
3. Weed Shield: Granular Pre Emergent Herbicide.
The weed prevention game just got easier with the .38% Prodiamine herbicide. This powerful solution is designed to combat crabgrass in the spring and poa annua (annual bluegrass) in the fall. The herbicide is suitable for all grass types including Bahiagrass, Centipedegrass, Bermudagrass, Zoysia, St. Augustinegrass, Seashore Paspalum, and Tall Fescue (including turf-type).
The .38% Prodiamine herbicide is a reliable solution for preventing crabgrass, poa annua (annual bluegrass), and a variety of other weeds. Its potent formula makes it particularly effective at controlling these pesky weeds, ensuring that your lawn remains healthy and weed-free.
Please note that the .38% Prodiamine herbicide cannot be shipped to New York. However, it is widely available in other locations, and is a trusted solution for preventing weeds and maintaining the health of your lawn.
4. Pro-Grade Weed Control For Large Areas
Looking for a professional-grade pre-emergent weed control solution? Look no further than Barricade! This specially designed product is perfect for preventing weeds from taking hold, and is most effective when applied during early spring and fall. It's important to note that while Barricade is great for preventing weeds, it is not designed to eliminate existing weeds.
One of the key benefits of Barricade is its active ingredient, prodiamine, which is present at a concentration of 0.48%. This powerful ingredient is labeled to prevent over 30 different types of grass and broadleaf weeds, making it a highly effective solution for preventing a wide range of weed species from taking root.
In addition to its powerful weed prevention capabilities, Barricade is also trusted by top turf care professionals for its ability to prevent problem weeds without harming desirable plants. This makes it an ideal solution for those looking to maintain a healthy, vibrant lawn without the risk of inadvertently causing damage to other plants in the process.
Finally, it's worth noting that Barricade's DG Pro formulation allows for more particles per square inch of chemical, which in turn leads to better control of weeds. So if you're looking for a powerful, effective pre-emergent weed control solution, look no further than Barricade!
5. The Andersons 18-0-4 Barricade Fertilizer With Pre Emergent Weed Control 5,000 Sq Ft 18 Lbs
Barricade with Fertilizer 18-0-4 is a top-of-the-line pre-emergent weed and feed, specially created to feed grass while preventing the growth of weeds. This product is designed for use in EARLY SPRING and FALL when applying it will be most effective. It is important to note that this product will not eliminate existing weeds, but will instead prevent any further growth.
The active ingredient in this product is prodiamine, which is present at a concentration of 0.426%. It is formulated to prevent the growth of over 30 grass and broadleaf weeds, making it a reliable solution for any weed-related problems. This product has been tested and trusted by leading turf care professionals, ensuring that it is safe for use on desirable plants while effectively preventing the growth of problematic weeds.
One of the unique features of Barricade with Fertilizer 18-0-4 is its DG Pro formulation. This formulation allows for a higher number of particles per square inch of chemical, resulting in better control of weeds. This product is a professional-grade solution that will help maintain a healthy, weed-free lawn while promoting the growth of lush, green grass.
6. Weed Warrior: Liquid Harvest Mesotrione Concentrate.
Liquid Harvest Mesotrione is a highly effective herbicide that targets 46 broadleaf species of weed and grass, making it a versatile solution for your lawn or garden. Unlike typical weed killers, Mesotrione prevents photosynthesis in plants, which allows certain cool season turfgrass to grow in a weed-free environment.
After application, Mesotrione will absorb and start working immediately, although it can take up to 2-3 weeks before full death occurs on your weeds. It's important to note that Mesotrione must be activated by water. If rainfall hasn’t occurred within 10 days of application, water the area with 0.15 inches of water.
When using Liquid Harvest Mesotrione, it's essential to follow the instructions on the label carefully. This herbicide is suitable for use in Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, and St. Augustine Grass (grown for sod only). However, it should not be applied to Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass, with the exception of dormant bermudagrass. If the bermuda is only semi-dormant, you may see whitening and damage to the bermuda.
To use Liquid Harvest Mesotrione, mix 4 – 8 oz. per 30 gallons of water per acre, and use a surfactant to increase effectiveness. This herbicide has a 40% active ingredient that inhibits photosynthesis in susceptible plant species. It is distributed throughout the plant after being absorbed by the roots, shoots, and leaves.
7. Atticus' Mesotrione: Ultimate Weed Control Solution
Torocity is a powerful herbicide that contains 40.0% mesotrione, the same active ingredient as the leading brand. For over 20 years, mesotrione has been the go-to choice for effective weed control in newly seeded areas and established turf.
One advantage of Torocity is its flexible application timing. It offers both pre- and post-emerge activity, which widens the application window and allows users to stop new weeds before they start and take down existing ones. This double-hitter herbicide is more forgiving compared to pre-emerge only herbicides.
Torocity delivers powerful control of many broadleaf and grassy weeds, including crabgrass, ground ivy (creeping charlie), clover, oxalis, and dandelion. It is a broad-spectrum herbicide that is highly effective in controlling weeds in various types of turf.
Torocity is an ideal partner for turf renovation. It is one of the few herbicides labeled for just-seeded Kentucky bluegrass, tall fescue, perennial ryegrass, and centipedegrass. It should be applied before seed germination to prevent weed competition and encourage new grass growth. Torocity may be used on new seedings, grass grown for sod, and established turf. However, users should not apply it to certain species, including bentgrass, zoysiagrass, and actively growing Bermudagrass. A complete list of tolerant turfgrass species is available on the label.
It is important to note that Torocity is not available for sale in Alaska, Arizona, California, Hawaii, or Wyoming. As with any herbicide, users should always read and follow the label instructions carefully. Not all products are registered for use in every state.
8. Espoma Organic Weed Preventer-25 Lb. Cgp25, 25 Lb
The Espoma Organic Weed Preventer is a highly effective solution for maintaining a lush and weed-free lawn all year round. Made from natural corn gluten meal, this product provides the necessary nutrients to promote deep green color while simultaneously preventing weed growth.
To achieve the best results, it is recommended to apply the Espoma Organic Weed Preventer twice a year, during early spring and fall. The product comes in a granulated form, which makes it easy to apply and ensures long-lasting nitrogen for a thicker and healthier lawn.
One of the significant benefits of using the Espoma Organic Weed Preventer is that it inhibits root development in seedlings, which helps to prevent the growth of weeds. This feature is especially useful for those who prefer to maintain a weed-free lawn without the use of harmful chemicals.
This organic weed preventer is also safe for children and pets, as it does not contain any harmful chemicals that can pose a threat to their health. Once applied, the lawn can be used for playtime without any concerns.
9. Safer Brand Weed Prevention Plus, 5 Pound Bag
Introducing the 5 lb. bag of Nature's pre-emergent weed control and fertilizer, suitable for use in flower gardens, vegetable gardens, and landscaped areas around trees, shrubs, and ornamentals. The homogenous pellet formulation ensures uniform distribution of nutrients and herbicides, making it up to 90% effective in controlling weeds such as dandelions and crabgrass in the first year of application.
This easy-to-use re-sealable bag is safe for children and pets, providing a hassle-free way to control weed growth while ensuring the safety of your loved ones. Ideal for use under bird feeders, this 100-percent corn gluten meal formulation is a natural alternative to synthetic herbicides and fertilizers.
Whether you're a seasoned gardener or a beginner looking for a reliable way to keep your garden weed-free, Nature's pre-emergent weed control and fertilizer is the perfect solution. Its natural composition makes it safe for use in flower gardens, vegetable gardens, and landscaping areas around trees, shrubs, and ornamentals.
Say goodbye to pesky weeds and hello to a lush, healthy garden with Nature's pre-emergent weed control and fertilizer. With its proven effectiveness and easy-to-use formulation, you can enjoy a beautiful garden without worrying about harmful chemicals or weed growth. Get yours today and experience the natural way to control weeds and fertilize your garden!
Best Pre Emergent Weed Killers FAQs
Are organic or natural pre emergent weed killers effective?
Organic and natural pre-emergent weed killers can be effective, but their effectiveness may vary depending on several factors. Pre-emergent weed killers work by preventing weed seeds from germinating and growing. Organic and natural pre-emergent weed killers use natural ingredients, such as corn gluten meal, to create a barrier that inhibits weed growth. While they are generally safe for the environment and non-toxic, their effectiveness may be limited compared to traditional chemical herbicides.
Factors that can affect the effectiveness of organic and natural pre-emergent weed killers include the type of weed, the timing of application, and the weather conditions. For example, if the product is not applied at the right time, it may not prevent weed growth as effectively. Also, if the product is not applied evenly or at the recommended rate, it may not provide adequate weed control.
In summary, organic and natural pre-emergent weed killers can be effective, but their effectiveness may be limited. It’s important to read and follow the product label carefully, and to consider other factors such as timing and weather conditions before using them.
Are there any safety precautions I should take when using pre emergent weed killers?
Yes, there are several safety precautions you should take when using pre-emergent weed killers. These products are designed to prevent weed seeds from germinating, but they can also be harmful to people, animals, and the environment if not used properly.
First, it is important to read the label carefully and follow all instructions for use. Wear appropriate protective gear, such as gloves, long-sleeved shirts, and pants, to avoid contact with the skin. Avoid inhaling the product and keep it away from your eyes and mouth.
It is also important to keep children and pets away from treated areas until the product has dried completely. Store the product in a secure location out of reach of children and pets.
Dispose of any unused product or empty containers according to the instructions on the label. Do not reuse or repurpose empty containers.
If you experience any adverse reactions after using a pre-emergent weed killer, seek medical attention immediately.
Can pre emergent herbicides be harmful to pets or wildlife?
Pre-emergent herbicides are chemicals applied to soil to control the growth of weeds. These herbicides can be harmful to pets and wildlife if not used properly. Pre-emergent herbicides can cause skin irritation and respiratory problems if pets come into contact with the product. Ingesting the herbicide can also be harmful to pets and wildlife, leading to vomiting, diarrhea, and even death in severe cases.
To ensure the safety of pets and wildlife, it is crucial to follow the instructions on the herbicide label carefully. Keep pets and wildlife away from treated areas until the herbicide has dried or has been watered in thoroughly. Store the herbicide in a secure location, out of reach of pets and wildlife.
It is also essential to use the appropriate type and amount of herbicide for the specific type of weed and area being treated. Always consult with a professional or read the product label before applying any herbicide.
In conclusion, pre-emergent herbicides can be harmful to pets and wildlife if not used properly. By following the instructions on the product label and taking appropriate precautions, the risk of harm to pets and wildlife can be minimized.
Do pre emergent herbicides also kill existing weeds, or only prevent new growth?
Pre-emergent herbicides are specifically designed to prevent weed seeds from germinating and growing into mature plants. They work by creating a barrier on the soil surface, which inhibits the growth of weed seeds. However, pre-emergent herbicides are not effective against existing weeds that have already established themselves in the soil.
In fact, attempting to use a pre-emergent herbicide on existing weeds may be ineffective and a waste of time and money. Instead, post-emergent herbicides are designed to kill existing weeds and are applied directly to the leaves or stems of the plant.
It is important to note that pre-emergent herbicides should only be applied to areas where you do not want any new growth to occur, as they will also prevent desirable plants from germinating. Additionally, pre-emergent herbicides should only be applied at the appropriate time of year, as they are most effective when applied before weed seeds begin to germinate.
How do I choose the best pre emergent weed killer for my specific lawn type?
Choosing the best pre emergent weed killer for your specific lawn type involves considering a few factors. First, you need to identify the type of grass that you have in your lawn. This is essential because some pre emergent weed killers may not be effective on certain grass types. For example, some products may harm cool-season grasses like fescue while others may not work well on warm-season grasses like Bermuda.
Secondly, consider the type of weeds that are common in your area. Certain pre emergent weed killers may be more effective on broadleaf weeds, while others are better suited for grassy weeds. You can consult with a local lawn care specialist to identify the types of weeds that are prevalent in your area.
Lastly, consider the timing of application. Pre emergent weed killers should be applied before the weeds germinate. This timing can vary depending on your location and climate. It's important to follow the instructions on the product label carefully to ensure that you apply the product at the right time.
Overall, choosing the best pre emergent weed killer for your specific lawn type involves identifying your grass type, the types of weeds in your area, and timing the application correctly.
How long does the effects of pre emergent weed killers last?
The duration of pre-emergent weed killers may vary depending on the type of product, environmental factors and application methods. In general, pre-emergent weed killers can last up to three to six months, but some may last up to a year. The effectiveness of pre-emergent weed killers also depends on the timing of application, as weeds germinate at different times of the year. It is important to apply pre-emergent weed killers before the soil temperature reaches the optimal range for weed germination.
Factors such as rainfall, irrigation, soil type, and temperature also play a role in the effectiveness of pre-emergent weed killers. Heavy rainfall or excessive irrigation may dilute the product and reduce its effectiveness. On the other hand, dry conditions may cause the product to remain on the soil surface and not penetrate to the targeted weed seeds.
In summary, the duration of the effects of pre-emergent weed killers varies depending on the product and environmental factors. It is recommended to follow the product label instructions and apply the product at the right time and under the right conditions for optimal results.
What are the best pre emergent herbicides for controlling weeds in my lawn?
Pre emergent herbicides are an effective way to control weed growth in your lawn. The best pre emergent herbicides are those that contain active ingredients like pendimethalin, dithiopyr, prodiamine, and benefin. These herbicides work by preventing weed seeds from sprouting, thus reducing weed growth in your lawn.
One of the best pre emergent herbicides for controlling weeds in your lawn is Scotts Halts Crabgrass & Grassy Weed Preventer. It contains pendimethalin as its active ingredient, which provides long-lasting protection against weed growth. Another effective pre emergent herbicide is Preen Garden Weed Preventer, which contains trifluralin and benefin. This product helps prevent the growth of over 200 weed species and can be used on multiple surfaces, including lawns, gardens, and landscaped areas.
When choosing the best pre emergent herbicide for your lawn, it's important to consider factors such as the type of weeds you're trying to control, the size of your lawn, and the climate in your area. It's also important to follow the instructions on the product label to ensure proper application and effectiveness.
What are the top pre emergent weed killers for preventing crabgrass and other common lawn weeds?
Pre-emergent weed killers are an effective way to prevent crabgrass and other common lawn weeds from sprouting. Here are some of the top pre-emergent weed killers available in the market:
1. Prodiamine: It is a popular pre-emergent herbicide that prevents many types of weeds, including crabgrass. It is effective for up to 8 months and is ideal for use in early spring or late fall.
2. Dithiopyr: It is another widely used pre-emergent herbicide that controls crabgrass and other broadleaf weeds. It provides long-lasting protection for up to 6 months and can be used in both pre- and post-emergent stages.
3. Pendimethalin: This herbicide is a popular choice for preventing crabgrass and other annual grasses. It is effective for up to 5 months and can be used on a variety of turfgrass species.
4. Isoxaben: It is a selective pre-emergent herbicide that is ideal for controlling broadleaf weeds. It is safe to use on most types of turfgrass and provides long-lasting protection for up to 8 months.
When using pre-emergent weed killers, it is important to follow the instructions on the label carefully to ensure safety and effectiveness. It is also recommended to use a spreader to ensure even application across the lawn.
What is the best application method for pre emergent herbicides?
Pre-emergent herbicides are an effective way to prevent weed growth in your lawn or garden before they even have a chance to sprout. The best application method for pre-emergent herbicides depends on the type of herbicide you are using and the area you want to treat.
Granular pre-emergent herbicides are often the most popular because they are easy to apply and can be spread evenly over a large area. They can be applied using a broadcast spreader, which will distribute the herbicide evenly across the lawn or garden. This method is particularly useful for treating large areas.
Liquid pre-emergent herbicides, on the other hand, are often more effective because they can penetrate the soil more deeply. They are best applied with a sprayer, which can be used to apply a uniform coating of the herbicide over the area you want to treat.
Regardless of the application method you choose, it is important to follow the instructions on the label carefully. Be sure to apply the herbicide at the appropriate time of year and at the recommended rate for your specific lawn or garden. With proper application, pre-emergent herbicides can be an effective way to keep weeds at bay.
What is the best time of year to apply pre emergent weed killers?
The best time of year to apply pre-emergent weed killers is typically in early spring, before the weeds begin to germinate and grow. This is usually around the time when soil temperatures reach 55-60 degrees Fahrenheit. Applying pre-emergent weed killers at this time will help prevent weed seeds from germinating and taking root in your lawn or garden. It is important to apply the pre-emergent weed killer before the weeds have a chance to grow, as once they start to grow, it becomes much more difficult to control them. It is also important to follow the instructions on the label carefully, as different products may have different application rates and timing recommendations. Overall, applying pre-emergent weed killers in early spring is an effective way to prevent weeds from taking over your lawn or garden.
