Best Weed Control For St Augustine Grass (2024 Update)
If you're looking for a lush and beautiful lawn, then St. Augustine grass is an excellent option. It's known for its ability to thrive in hot and humid climates, but this grass type is also susceptible to weeds. Fortunately, there are various weed control options available to keep your St. Augustine grass in excellent condition.
Before investing in any weed control product, there are some essential factors to consider. Firstly, the type of weed that's invading your lawn. Some products are only effective on certain weed types, so it's crucial to identify the specific weed growing in your St. Augustine grass. Secondly, you should consider whether the weed is pervasive or isolated. For isolated weeds, manual removal may be the best option, whereas pervasive weeds require chemical treatment. Lastly, check if your weed control plan is compatible with your St. Augustine grass's growth and maintenance routine.
Are you tired of constantly battling with weeds on your St. Augustine grass? Are you looking for the best weed control options to keep your lawn looking pristine? Look no further! This article will explore different weed control methods, including natural remedies and chemical solutions, to help you make an informed decision. Plus, we'll answer some frequently asked questions about weed control to put your mind at ease.
10 Best Weed Control For St Augustine Grass
| # | Product Image | Product Name | Product Notes | Check Price |
|---|---|---|---|---|
|
1
|
 |
Ideal for killing weeds in St. Augustinegrass lawns, providing easy application with ready-to-spray formula.
|
|
|
|
2
|
 |
This product is ideal for stopping weeds on St. Augustine and Centipede lawns, and comes in a ready-to-spray concentrate.
|
|
|
|
3
|
 |
Ideal for killing weeds in lawns and turf grass quickly and effectively.
|
|
|
|
4
|
 |
Killing weeds in St. Augustine grass with the help of a surfactant for herbicides.
|
|
|
|
5
|
 |
It is ideal for eliminating weeds in St. Augustine grass lawns while also fertilizing the remaining grass.
|
|
|
|
6
|
 |
Ideal for killing weeds in St. Augustine grass with the help of a surfactant for effective herbicide use.
|
|
|
|
7
|
 |
The product is ideal for controlling weeds and fertilizing St. Augustine grass in lawns.
|
|
|
|
8
|
 |
It is ideal for killing weeds in lawns and other turf areas, without harming desirable grasses.
|
|
|
|
9
|
 |
Fertilizer for lawns with weed problems, designed to get rid of various types of weeds.
|
|
|
|
10
|
 |
The product is ideal for controlling weeds and grasses in a variety of agricultural and non-agricultural settings.
|
|
1. Ortho Weed B Gon Weed Killer For St. Augustinegrass Ready-To-Spray, 32 Oz
Looking for a powerful weed killer that won't harm your St. Augustinegrass? Look no further than this product! Specifically designed for use on St. Augustinegrass, including Floratam, this weed killer is guaranteed to kill over 250 different types of weeds, all without causing any damage to your lawn.
One of the standout features of this product is its rain-proof formula. After just one hour, the weed killer will be fully rain-proof, ensuring that it remains effective even if it starts to rain shortly after application. This is particularly important for those who live in areas with unpredictable weather patterns.
Another great thing about this weed killer is how easy it is to use. Each bottle is designed to treat up to 2,500 square feet, making it a cost-effective option for those with larger lawns. Simply follow the directions on the label to ensure that you're using the product correctly and getting the best possible results.
So if you're looking for a reliable and effective weed killer for your St. Augustinegrass, look no further than this product. With its powerful formula and rain-proof design, it's sure to provide the results you're looking for.
2. St. Augustine & Centipede Weed Killer – 6 Pack
The lawn is a homeowner's pride and joy, but weeds can quickly take over and ruin its appearance. That's where this weed killer comes in. Designed to target weeds while leaving your lawn unharmed, it's a powerful tool for keeping your outdoor space looking its best.
One of the standout features of this weed killer is its ability to control both emerged weeds and those that grow from seeds. This means you can use it as a preventative measure to stop weeds from taking hold in the first place. And when you do notice weeds popping up, you can trust that this product will take care of them quickly and effectively.
Containing Atrazine, this weed killer is ideal for controlling weeds in all St. Augustinegrass varieties and centipedegrass. It's a tried-and-true formulation that's been trusted by homeowners for years. Not only will it kill the weeds you already have, but it will also help prevent new ones from growing.
When it comes to weed killers, some products can be harsh and damaging to your lawn. But with this weed killer, you don't have to worry about causing any harm. As long as you follow the directions and use it as directed, it won't harm your lawn. That means you can use it with confidence, knowing that your lawn will stay healthy and vibrant.
This weed killer is especially effective against tough weeds like dollarweed, sandspur, and Florida betony. If you've struggled to get rid of these weeds in the past, you'll appreciate the power of this product. It's designed to take care of even the most stubborn weeds, so you can enjoy a weed-free lawn.
With its QuickFlipTM hose-end sprayer, this weed killer is easy to apply. Simply attach it to your garden hose and activate the spray with the flip of a switch. It's a convenient, mess-free way to apply the product to your lawn. Plus, the hose-end sprayer ensures that you can cover a large area quickly and efficiently.
3. Southern Ag 13502 Lawn Weed Killer With Trimec Herbicide, 16oz, Brown
This versatile weed killer is designed for use on 9 different types of turf, making it a great option for a variety of lawns. With its patented combination of three proven weed killers, it is highly effective at controlling a wide range of lawn weeds.
Using this weed killer is easy thanks to its compatibility with both conventional and hose-end sprayers. Simply follow the included directions for best results. For even greater performance, it is recommended to use a surfactant for herbicide along with this product.
Whether you're dealing with dandelions, clover, or other common lawn weeds, this weed killer can help you get the job done quickly and effectively. Trust the experts and choose this top-quality weed killer for your lawn care needs.
4. St. Augustine Grass Spray & Surfactant Combo
Product 1 is a highly effective herbicide that targets a wide range of broadleaf weeds. This product is specially formulated for use on centipede grass, making it a popular choice for homeowners and landscapers alike. In addition to its broad spectrum weed-killing abilities, this herbicide also provides suppression of crabgrass. Whether you're dealing with emerged weeds or weeds from seed, Product 1 is the solution you need to keep your lawn looking healthy and weed-free.
Product 2 is a powerful wetting agent that enhances the effectiveness of any herbicide it is used with. With an impressive 80% non-ionic surfactant content, this product is designed to be used in conjunction with popular herbicides such as Trimec, Atrazine, Brush Killer, and 2, 4-D Amine. Its unique formula reduces the surface tension of water, allowing for more uniform coverage and penetration of weed killers. If you want to ensure maximum coverage and effectiveness of your herbicide sprays, Product 2 is a must-have addition to your lawn maintenance arsenal.
5. Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide, Light Tan
This highly effective weed control solution is specifically designed to keep St. Augustine and Centipede grasses free from unwanted weeds. With just one quart of this product, you can treat an impressive 3,720 square feet of land, giving you maximum coverage for your money.
The package itself is compact and lightweight, weighing in at 1.021 kilograms, making it easy to transport and store. The dimensions of the package are 5.842 L x 19.177 H x 12.954 W (centimeters), ensuring that it can be conveniently stored in a variety of spaces.
This weed control solution is perfect for homeowners and professionals alike, with its powerful formula and ease of use. Simply apply the solution according to the instructions provided, and watch as it effectively controls weeds in your St. Augustine or Centipede grasses.
With its impressive coverage and proven effectiveness, this weed control solution is a must-have for anyone looking to maintain a healthy and beautiful lawn. Don't settle for less – choose this high-quality product and enjoy a weed-free lawn all season long.
6. St. Augustine Savior Herbicide Combo Kit.
Product 1 is a highly effective weed killer that provides reliable results for many types of broadleaf weeds. It is also suitable for use on centipede grass and offers excellent suppression of crabgrass. This product is specially designed to control both emerged weeds and those that sprout from seeds, making it a comprehensive solution for keeping your lawn or garden weed-free.
With its powerful formula, Product 1 can eliminate even the toughest weeds, providing you with a pristine and healthy landscape. Whether you're dealing with dandelions, clover, or other common weeds, this product is up to the task.
In addition to its impressive weed-killing capabilities, Product 2 is also an excellent tool for improving the effectiveness of other pesticides. By using this product in conjunction with your preferred pesticide, you can significantly enhance its performance and achieve even better results.
7. Hi-Yield (33431) Atrazine Weed Killer Rts (32 Oz)
The selective weed killer is a powerful solution that effectively controls the growth of unwanted plants such as Henbit, Clover, Chickweed, and more. This product is specifically designed for use on St. Augustine and Centipedegrass, making it an ideal choice for those who want to keep their lawns looking neat and well-maintained.
Each 32 oz bottle of liquid concentrate weed killer can treat up to 3,720 sq. feet of lawn, providing excellent value for money. The product comes in a convenient ready-to-spray bottle, making it quick and easy to apply. With its user-friendly design, it can be used by anyone, regardless of their level of experience.
Before application, it is important to read the label for complete application instructions and to determine the correct dimensions and grass type for your lawn. The application process may vary depending on these factors, so it is important to follow the instructions carefully to achieve the best results.
8. Fertilome Weed Free Zone – 8 Oz.
Looking for a highly effective weed killer that can help eradicate broadleaf weeds in your lawn? Look no further than this powerful weed killer concentrate. With the ability to control over 80 different types of broadleaf weeds, including clover, spurge, chickweed, and thistle, this product is a must-have for lawn enthusiasts.
Not only is this weed killer highly effective, but it is also safe to use on a variety of grass types, including Kentucky bluegrass, bermudagrass, bahiagrass, zoysiagrass, and more. Simply consult the label for a full list of compatible grasses.
One of the standout features of this weed killer is its ability to provide evidence of injury within hours of application. This means you can quickly and easily identify which weeds have been affected and track the progress of the product's effectiveness.
To achieve the best possible results, it is recommended to spray the weed killer when broadleaf weeds are young and actively growing, whether it's in the spring, summer, or fall. And with an easy-to-follow mixing ratio, simply mix the concentrate with water at the suggested rate on the label and spray your lawn thoroughly.
9. Hi-Yield Atrazine Weed Killer
Introducing Atrazine – a powerful herbicide that effectively controls or suppresses a variety of common weeds in St. Augustine and Centipede grass. With a potent concentration of 4.00% Atrazine, this herbicide ensures a thorough and long-lasting solution for your weed problems.
This herbicide is specially formulated to eliminate weeds such as Annual Bluegrass (Poa annua), Chickweed (Common and Mouseear), Henbit, Moneywort, Pennywort (Dollarweed), Chickweed (Common and Mouseear), Spurge, and Annual. These pesky weeds can quickly take over your lawn, depriving your grass of essential nutrients and leading to an unsightly appearance. Atrazine can effectively combat these weeds and help you achieve a lush, healthy lawn.
Atrazine is easy to use and can be applied directly to your lawn. Simply mix the recommended amount with water and apply evenly using a garden sprayer. It is important to follow the instructions carefully and avoid over-application to prevent damage to your grass.
This herbicide is safe for use on St. Augustine and Centipede grass, making it an ideal solution for homeowners and lawn care professionals alike. Its powerful formula ensures quick and effective results, leaving your lawn looking beautiful and weed-free.
Best Weed Control For St Augustine Grass FAQs
Are there any natural or organic weed control options for St. Augustine grass?
Yes, there are several natural or organic weed control options for St. Augustine grass. One option is to use vinegar, which is an effective weed killer that can be used on St. Augustine grass. Simply mix vinegar with water and spray the solution on the weeds. Another natural option is to use corn gluten meal, which is a natural pre-emergent herbicide that prevents weed seeds from germinating. It should be applied in the spring and fall before weeds start to grow.
Additionally, hand-pulling weeds is another effective way to control weeds in St. Augustine grass. It’s important to pull the entire weed, including the roots, to prevent it from growing back. Mulching around plants can also help prevent weed growth by smothering weed seeds and preventing them from germinating.
Overall, natural and organic weed control options are effective and safe for St. Augustine grass. It’s important to follow the instructions carefully and apply the treatments as directed to ensure the best results.
Are there any weed control products that are specifically designed for St. Augustine grass?
Yes, there are weed control products that are specifically designed for St. Augustine grass. However, it is important to note that St. Augustine grass is sensitive to many herbicides, so it is crucial to use a product that is labeled safe for this type of grass. Some common weed control products for St. Augustine grass include atrazine, 2,4-D, and glyphosate. Atrazine is a pre-emergent herbicide that can be applied in early spring to prevent the growth of weeds. 2,4-D is a selective herbicide that targets broadleaf weeds and can be applied in the fall when St. Augustine grass is dormant. Glyphosate is a non-selective herbicide that kills all plants, so it should be used carefully and only on specific problem areas. It is important to follow the instructions carefully when using any herbicides on St. Augustine grass to avoid damaging the grass or causing any harm to the environment.
Can I use a pre-emergent weed control on my St. Augustine grass?
Yes, you can use a pre-emergent weed control on your St. Augustine grass. Pre-emergent herbicides work by preventing weed seeds from germinating, so they are effective at controlling weeds before they become a problem. However, it is important to choose a pre-emergent herbicide that is specifically labeled for use on St. Augustine grass, as some herbicides can cause damage or even kill the grass. Additionally, it is important to follow the application instructions carefully, as applying too much or too little can also cause damage to the grass. It is also important to note that pre-emergent herbicides are not effective against weeds that have already germinated and started to grow, so it is best to apply them before weed seeds have a chance to sprout.
How can I tell if a weed control product is safe to use on St. Augustine grass?
Before using any weed control product on St. Augustine grass, it is important to check the label for specific instructions and precautions. Look for a product that is labeled as safe for use on St. Augustine grass.
Additionally, you can do a small patch test to ensure the product does not harm the grass. Choose a small, inconspicuous area of the lawn and apply the weed control product according to the instructions on the label. Wait for a few days to see if there is any damage to the St. Augustine grass.
It is also important to follow the recommended application rates and timing. Overuse of the product can harm the grass and underuse may not effectively control the weeds.
If you are uncertain about a particular product, consult with a lawn care professional or the manufacturer for guidance. They can provide recommendations on the best products and methods for weed control on St. Augustine grass.
How do I prevent weeds from growing in my St. Augustine grass lawn in the first place?
Preventing weeds from growing in your St. Augustine grass lawn requires a multi-step approach that involves proper lawn care practices. Here are some tips to help you prevent weeds from taking over your lawn:
1. Mow your lawn regularly: Mowing your lawn regularly helps to keep the grass healthy and thick, which in turn prevents weeds from taking root.
2. Water your lawn deeply: Watering your lawn deeply and infrequently helps to promote deep root growth in your St. Augustine grass, which makes it more resistant to weeds.
3. Fertilize your lawn appropriately: Use a fertilizer that is specifically formulated for St. Augustine grass and follow the instructions carefully. Over-fertilizing can actually increase weed growth.
4. Use pre-emergent herbicides: Pre-emergent herbicides work by preventing weed seeds from germinating. Apply them in the early spring and fall when weed seeds are most likely to be present.
5. Spot-treat weeds as soon as they appear: If you do notice weeds starting to grow in your lawn, spot-treat them as soon as possible to prevent them from spreading.
By following these tips, you can help prevent weeds from taking over your St. Augustine grass lawn and keep it looking healthy and lush.
How often should I apply weed control to my St. Augustine grass?
The frequency of applying weed control to your St. Augustine grass depends on various factors such as the type of weed, the severity of the weed infestation, and the type of herbicide being used. Generally, it is recommended to apply weed control once every six to eight weeks during the growing season, which is usually from late spring to early fall. However, if you notice a significant weed growth in your lawn, you may need to apply weed control more frequently. It is essential to follow the instructions provided by the manufacturer carefully, including the recommended application rate, timing, and safety precautions. Additionally, it is crucial to identify the type of weeds growing in your lawn before applying weed control to ensure that you are using the right herbicide for effective results.
Is it possible to control weeds in St. Augustine grass without harming the grass itself?
Yes, it is possible to control weeds in St. Augustine grass without harming the grass itself. One of the most effective ways to control weeds is by maintaining a healthy and thick lawn. This can be achieved through proper watering, fertilization, and mowing practices. A healthy lawn will naturally outcompete weeds for resources and prevent their growth.
Another effective method is to use pre-emergent herbicides. These herbicides prevent weed seeds from germinating and can be applied before weed growth begins. It is important to follow the instructions carefully and apply the herbicide at the appropriate time to prevent damage to the St. Augustine grass.
Post-emergent herbicides can also be used to control weeds that have already sprouted. However, it is important to choose a herbicide that is labeled for use on St. Augustine grass and to follow the instructions carefully to avoid harming the grass.
Hand-pulling weeds is another option, but it can be time-consuming and may not be practical for larger areas. Overall, a combination of these methods can be used to effectively control weeds in St. Augustine grass without harming the grass itself.
What are the most common types of weeds that grow in St. Augustine grass, and how do I control them?
There are a few types of weeds that are commonly found in St. Augustine grass. One of the most common weeds is crabgrass, which is an annual weed that grows in the warmer months and spreads quickly. Another common weed is clover, which is a perennial weed that spreads through seeds and can be difficult to control. Dandelions and nutsedge are also common weeds that can grow in St. Augustine grass.
To control these weeds, it's important to maintain a healthy lawn by regularly fertilizing and watering it. A thick, healthy lawn can help prevent weeds from taking root. Additionally, it's important to mow your lawn regularly to prevent weeds from going to seed and spreading. For more stubborn weeds, you can use an herbicide that is specifically designed to target the type of weed you are dealing with. Be sure to follow the instructions carefully and apply the herbicide during the appropriate time of year for best results.
What is the best time of year to apply weed control to St. Augustine grass?
The best time to apply weed control to St. Augustine grass is during the spring and fall seasons. During these periods, the grass is actively growing and can better absorb the herbicide, leading to better results. It’s important to note that weed control should not be applied during the summer months as the high temperatures can stress the grass and cause damage. Additionally, it’s important to identify the specific types of weeds present in your lawn and choose a herbicide that’s effective against them. It’s recommended to follow the instructions on the herbicide label carefully, including the rate of application and any safety precautions to ensure that the herbicide is applied correctly and safely. Overall, proper timing and application of weed control can help maintain a healthy and beautiful St. Augustine lawn.
What is the most effective weed control product for St. Augustine grass?
When it comes to controlling weeds in St. Augustine grass, there are several options available. The most effective weed control product will depend on the specific type of weeds you are dealing with, as well as the overall health of your lawn.
One popular herbicide for St. Augustine grass is atrazine, which is effective against many broadleaf weeds as well as some grassy weeds. However, it is important to note that atrazine can also harm certain trees, shrubs, and other plants, so it should be used with caution and according to the label instructions.
Another option is 2,4-D, which is effective against many broadleaf weeds but may not be as effective against grassy weeds. Some other herbicides that are commonly used for St. Augustine grass include dicamba and sulfentrazone.
It's important to remember that the most effective weed control program for any lawn will involve a combination of pre-emergent and post-emergent herbicides, as well as good cultural practices such as regular mowing, proper fertilization, and proper watering. If you are unsure which products to use or how to develop an effective weed control program for your St. Augustine grass, it may be helpful to consult with a lawn care professional.
