If you're looking for the best weed killer for St. Augustine, there are several factors that you need to consider before making your purchase. First, you need to determine the type of weeds that you want to eliminate. St. Augustine is a type of grass that can be delicate, and using the wrong herbicide can harm the grass and leave it vulnerable to diseases and pests.
Secondly, you need to consider the method of application. Some weed killers come in sprays, while others come in granules or liquids that you can mix with water. Choosing the right method of application is very important to ensure that you use the herbicide effectively.
Lastly, you need to consider the effectiveness and safety of the weed killer. Look for products that are proven to eliminate the type of weeds you want to get rid of without harming St. Augustine grass or the environment. Ensure that the product you choose is safe for pets and people.
Are you tired of weeds ruining the appearance of your lawn? Are you looking for a weed killer that is effective and safe for your St. Augustine grass? Look no further as finding the best weed killer for St. Augustine might just change your lawn game. Keep reading to discover the top products that are best suited for removing pesky weeds once and for all!
11 Best Weed Killer For St Augustine
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1
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This product is ideal for eliminating weeds in lawns, specifically St. Augustine and Centipede lawns.
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2
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This product is ideal for killing various weeds such as dandelions, clovers, chickweed, and dollarweed on Southern lawns.
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3
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The product is ideal for killing weeds in lawns in the southern region.
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4
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The product is an all-in-one weed killer for lawns, ideal for use in the southern region with an extended reach wand.
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5
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This product is ideal for killing weeds in lawns and preventing new weed growth.
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6
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This product is ideal for preventing weeds and maintaining a healthy lawn in Southern regions.
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7
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This product is ideal for killing weeds in St. Augustine grass with the use of a non-ionic surfactant.
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8
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It is ideal for controlling weeds and fertilizing grass in Southern regions of the United States.
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9
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Ideal for killing weeds in St. Augustine grass and improving the effectiveness of herbicides with a surfactant.
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10
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Killing weeds in St. Augustinegrass lawns with a ready-to-spray formula.
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11
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Fertilome Weed Free Zone is ideal for controlling weeds in lawns and other types of turf.
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1. St. Augustine & Centipede Lawns Weed Killer Spray
This lawn weed control product is specially designed to eliminate weeds without causing damage to the lawn. It is effective in controlling both emerged weeds and weeds that grow from seeds. The product contains Atrazine, which makes it suitable for use in all St. Augustinegrass varieties and centipedegrass.
This weed control product is capable of killing tough weeds, including dollarweed, sandspur, and Florida betony. These weeds can be a nuisance to your lawn, but with this product, you can effectively eliminate them.
The QuickFlipTM hose-end sprayer feature allows for easy and convenient application. The spray can be activated with just the flip of a switch, making it a breeze to use.
It is important to note that this product should be used as directed to avoid any harm to the lawn. When used properly, it will effectively control weeds and keep your lawn looking healthy and beautiful.
2. Southern Lawns' Ultimate Weed Killer Spray
Ortho WeedClear Lawn Weed Killer Ready-To-Spray3 is an effective solution to eliminate weeds from your lawn without causing any harm to it. With its unique formula, it can kill all major broadleaf weeds, including dandelion, clover, oxalis, chickweed, and more (refer to the label for a complete weed list).
This lawn weed killer is designed to deliver visible results in hours, making it a quick solution to your weed problem. It is rainproof in just one hour, ensuring that it stays effective even in wet weather conditions. Plus, with just one application, you can see visible results that last.
Ortho WeedClear Lawn Weed Killer Ready-To-Spray3 is capable of destroying over 250 types of weeds to the root, ensuring that they do not grow back. However, when used as directed, it does not harm the lawn. This herbicide contains ingredients that are effective on a range of grasses, including Kentucky bluegrass, perennial ryegrass, fescues, common bermudagrass, hybrid bermudagrass, bahiagrass, bentgrass, buffalograss, centipedegrass, zoysiagrass, and St. Augustinegrass (except Floratam).
You can easily connect your garden hose to the attached sprayer to spot treat weeds with your desired nozzle setting. The sprayer can treat up to 5,000 sq. ft., making it ideal for treating your entire lawn. The product is easy to use and provides a hassle-free solution to weed control.
Please note that Ortho WeedClear Lawn Weed Killer Ready-To-Spray3 may not be available in all states. Overall, it is a reliable, efficient, and effective solution to weed problems that can help keep your lawn looking healthy and beautiful.
3. Roundup For Lawns₄ Refill (Southern) – All-In-One Weed Killer For Lawns, 1 Gal.
Looking for a powerful weed killer that won't harm your lawn? Look no further than this highly effective product, designed to target weeds without damaging your grass. The product is specifically formulated for use on Southern grasses, including St. Augustine, Bermudagrass, Centipedegrass, and Bahiagrass, and can kill up to 93 different types of weeds.
Whether you're dealing with dollarweed, dandelion, clover, or yellow nutsedge, this product is up to the task. Simply consult the included booklet for a full list of targeted weeds. Once you're ready to get started, simply pour the ready-to-use refill directly onto the affected area – there's no need for mixing or measuring.
One of the standout features of this product is its fast-acting formula. It starts working immediately, and is rainproof in just four hours, ensuring that you can get back to enjoying your lawn without delay. And with availability in AL, AR, AZ, FL, GA, HI, LA, MS, NC, NM, OK, SC, TX, UT, and Puerto Rico, this product is accessible to a wide range of users.
4. Southern Lawn Savior: Extended Reach Weed Killer
The Ready-to-Use All-in-One Weed Killer for Lawns is a highly effective and convenient solution for anyone looking to keep their lawn weed-free. This product has been specially formulated to kill weeds without harming the lawn when used as directed.
With the ability to kill 93 types of weeds, including dollarweed, dandelion, clover, and yellow nutsedge, this product is a comprehensive solution for all your weed-killing needs. A complete list of the weeds this product can eliminate can be found inside the booklet that comes with it.
This weed killer is suitable for use on Southern grasses, including St. Augustine (including Floratam), Bermudagrass, Centipedegrass, and Bahiagrass. It starts working immediately upon application and is rainproof in just four hours, ensuring that your lawn stays protected from weeds even during wet weather conditions.
The Ready-to-Use All-in-One Weed Killer for Lawns is also extremely easy to use. Simply apply the product as directed and watch as it quickly and effectively eliminates weeds without harming your lawn. This product is a must-have for anyone looking to maintain a beautiful and healthy lawn.
5. Southern Ag 13502 Lawn Weed Killer With Trimec Herbicide, 16oz, Brown
This weed killer is designed to be used on nine different types of turf and is effective in controlling a wide range of lawn weeds. It is formulated with a patented combination of three proven weed killers, ensuring that it delivers reliable results.
This product comes with directions for use in both conventional and hose end sprayers, making it convenient and versatile for different gardening needs. For increased performance, it is recommended to use a surfactant for herbicide.
With its powerful formulation, this weed killer is a must-have for anyone looking to maintain a healthy and beautiful lawn. It is easy to use and delivers quick results, ensuring that you can enjoy your lawn without worrying about weeds. Whether you are dealing with dandelions, clover, or other common lawn weeds, this weed killer is up to the task.
In addition to its effectiveness, this weed killer is also safe for use on different turf types, making it a great choice for anyone with a variety of plants in their yard. Its versatility and reliability make it a popular choice among gardeners, and its patented formula ensures that it stands out from other weed killers on the market.
6. Bioadvanced Season Long Lawn Weed Killer + Preventer For Southern Lawns 10 Lb Granules, 4,000 Sq Ft
This product is a powerful weed killer that targets a variety of broadleaf weeds, including Dandelion, Clover, Chickweed, Dollarweed and Henbit, providing effective results for up to 6 months. It also prevents the growth of grassy and broadleaf weeds such as Crabgrass, Annual Bluegrass, Common Dandelion, Goosegrass and Spurge, helping to maintain a healthy lawn for the same duration.
Designed for use on southern lawns, this product can treat up to 4,000 square feet of turf, including all varieties of St. Augustinegrass and Floratam. With just one application, users can rest assured that their lawn will remain free from over 50 different types of listed weeds throughout the entire season.
This product is easy to use and provides a long-lasting solution to pesky weeds. Its effectiveness in controlling and preventing weed growth is unmatched, making it a must-have for homeowners looking to maintain a healthy and beautiful lawn. With its season-long weed control, users can save time and money by avoiding the need for multiple applications.
7. St. Augustine Weed Killer & Surfactant Bundle
Product 1 is a highly effective solution for eliminating a wide variety of broadleaf weeds. It is also safe for use in centipede grass and is proven to provide suppression of crabgrass. This product is specially designed to control both emerged weeds and weeds from seed, making it a comprehensive solution for lawn maintenance.
Product 2 is a powerful wetting agent that can significantly increase the coverage and penetration of any herbicide. Its unique formula contains 80% non-ionic surfactant, which helps to reduce the surface tension of water. This ensures a more uniform and thorough coverage of weed killers. It can be used with almost all herbicide sprays, including popular brands like Trimec, Atrazine, Brush Killer, and 2, 4-D Amine.
Using Product 2 with your favorite herbicide is an excellent way to enhance its effectiveness and achieve better results. Its high-quality ingredients are carefully selected to provide optimal performance and are safe for use on a variety of lawn types. With Product 2, you can rest assured that you are getting a reliable and versatile solution for your lawn care needs.
8. Scotts Turf Builder Bonus S Southern Weed & Feed2, 34.48 Lbs.
This lawn treatment is a powerful solution to eliminate unwanted weeds such as dollarweed, clover, black medic, blue toadflax, buckhorn, burclover, carolina geranium, chickweed, and dandelions. It is specifically designed to work on St. Augustinegrass (including Floratam), Centipede, Zoysia, and Carpetgrass lawns. However, it is important to note that it is not suitable for Bermudagrass lawns.
In addition to its weed-killing properties, this product provides a bonus of S fertilizers that help to nourish and strengthen grass roots. This, in turn, helps to create a lush green lawn that can effectively crowd out future weeds.
With its powerful formula, this lawn treatment is the ideal solution for anyone who wants to achieve a healthy and weed-free lawn. Its effectiveness in eliminating unwanted weeds ensures that your lawn remains healthy and vibrant all year round.
9. Atrasurf – Southern Ag Grass Weed Killer Combo
Introducing Product 1, a highly effective weed killer that targets a wide range of broadleaf weeds. This versatile solution is also suitable for use on centipede grass, making it an excellent choice for lawns and gardens. In addition to its weed-killing prowess, Product 1 provides suppression of crabgrass, ensuring a healthy and lush lawn all year round. Whether you're dealing with emerged weeds or those that sprout from seed, this powerful formula is designed to control them all.
When used in conjunction with most pesticides, Product 2 can enhance their effectiveness and deliver even better results. Its unique blend of ingredients works to boost the potency of other treatments, making it ideal for those seeking a more comprehensive approach to pest control.
With its high level of efficacy and broad range of applications, Product 1 and 2 are must-have solutions for any homeowner or gardener looking to maintain a pristine lawn or garden. So why wait? Order your supply today and start enjoying the benefits of a weed-free, pest-free outdoor space!
10. Ortho Weed B Gon Weed Killer For St. Augustinegrass Ready-To-Spray, 32 Oz
This herbicide is specially formulated for use on St. Augustinegrass, including the popular Floratam variety. With the ability to effectively eliminate over 250 listed weeds (see label for complete list), this product is a must-have for maintaining a healthy and vibrant lawn.
One of the standout features of this herbicide is its guaranteed non-harmful effects on the lawn, provided it is used as directed. This means that homeowners can confidently use this product without worrying about damaging their grass.
Another advantage of this herbicide is its quick rain-proofing capabilities, with protection kicking in just an hour after application. This means that homeowners don't need to worry about the weather ruining their weed-killing efforts.
This product can treat up to 2,500 square feet of lawn, making it a cost-effective option for those with larger outdoor spaces. By using this herbicide, homeowners can achieve a weed-free lawn, promoting a healthy and visually appealing landscape.
11. Fertilome Weed Free Zone – 8 Oz.
This powerful weed killer is the perfect solution for any homeowner struggling with stubborn broadleaf weeds. With the ability to control over 80 different types of weeds, such as Clover, Spurge, Chickweed, and Thistle, this product is a must-have for any lawn care enthusiast.
One of the best things about this product is that it is safe to use on a variety of grass types, including Kentucky Bluegrass, Bermudagrass, Bahiagrass, Zoysiagrass, and more. For a complete list of compatible grasses, refer to the label.
This weed killer is designed to work quickly and effectively, providing visible results within hours of application. It is recommended to use this product when broadleaf weeds are young and actively growing, during the spring, summer, or fall.
To use this weed killer, simply mix the concentrate with water at the suggested rate on the label and spray the lawn thoroughly. It's that easy! With this product, homeowners can enjoy a beautiful and weed-free lawn without the hassle and expense of professional lawn care services.
Best Weed Killer For St Augustine FAQs
Are there any natural or organic alternatives to chemical weed killers for St. Augustine grass?
Yes, there are natural and organic alternatives to chemical weed killers for St. Augustine grass. Here are some options:
1. Hand pulling: One of the most effective ways to control weeds in St. Augustine grass is to simply pull them out by hand. This method is best used for small areas or for individual weeds that have popped up in your lawn.
2. Organic herbicides: There are several organic herbicides available that are made from natural ingredients such as vinegar, citric acid, or clove oil. These products work by desiccating the weed, causing it to wither and die.
3. Corn gluten meal: This is a natural pre-emergent herbicide that works by inhibiting the germination of weed seeds. It is a byproduct of the corn milling process and is safe to use on St. Augustine grass.
4. Mulching: Using a layer of organic mulch such as wood chips or leaves can help to suppress weed growth by smothering them and preventing them from getting the light they need to grow.
Overall, these natural and organic alternatives can be just as effective as chemical weed killers without the negative environmental impact. However, it's important to note that they may require more frequent applications and may not be as effective against established weeds.
Can I mix different types of weed killers to maximize effectiveness on St. Augustine grass?
Mixing different types of weed killers is not recommended as it can be dangerous for your St. Augustine grass. Each weed killer has its own formulation and mixing them together can result in an unpredictable reaction that may harm your lawn. Additionally, different types of weed killers target different types of weeds, and using multiple weed killers may not necessarily increase their effectiveness on St. Augustine grass. It is important to choose a weed killer that is specifically designed for St. Augustine grass and to follow the instructions on the label carefully. Overuse or misuse of weed killers can damage not only the weeds but also your lawn, so it is crucial to use them responsibly. If you are unsure about which weed killer to use, consult with a professional landscaper or a garden center expert before making any decisions.
Can I use a pre-emergent herbicide on my St. Augustine lawn?
Yes, you can use a pre-emergent herbicide on your St. Augustine lawn. However, it is important to choose the right type of herbicide and apply it correctly to avoid damaging your lawn. St. Augustine grass is sensitive to certain herbicides, so it is important to choose a pre-emergent that is labeled safe for use on this type of grass.
When applying pre-emergent herbicides, it is important to follow the instructions on the label carefully. These herbicides must be applied at the right time, before weed seeds have a chance to germinate, and they must be applied evenly over the lawn. It is also important to water your lawn after applying the herbicide to activate it and ensure that it penetrates the soil to prevent the weeds from sprouting.
In summary, while you can use a pre-emergent herbicide on your St. Augustine lawn, it is important to choose the right herbicide and apply it correctly to avoid damaging your grass.
How do I choose the right weed killer for my specific St. Augustine grass variety and climate?
Choosing the right weed killer for your specific St. Augustine grass variety and climate can be a daunting task, but it is crucial in maintaining a healthy lawn. Firstly, identify the type of St. Augustine grass in your lawn as the appropriate weed killer varies depending on the type. Secondly, understand the climate in which you live as this will affect the type of weeds you are dealing with. For example, warm and humid climates may require a different weed killer than dry and arid climates. It is important to choose a weed killer that is labeled safe for use on St. Augustine grass and follow the instructions carefully. Additionally, consider using a selective weed killer that targets specific weeds without harming the surrounding grass. It is recommended to research and consult with a professional to determine the best weed killer for your specific St. Augustine grass variety and climate.
How long does it take for weed killer to work on St. Augustine grass?
The length of time it takes for weed killer to work on St. Augustine grass depends on the type of weed killer used and the specific weed being targeted. Generally, selective herbicides designed to kill weeds in St. Augustine grass can take anywhere from several days to a few weeks to completely eliminate the weeds. Non-selective herbicides, such as glyphosate, can work faster and may show visible results within a few hours to a few days. However, it's important to use caution when using non-selective herbicides as they can also harm desirable plants and grasses if not applied carefully. It's always best to follow the instructions on the weed killer product label and to consult with a lawn care professional if you have any doubts or concerns.
How often should I apply weed killer to my St. Augustine lawn?
The frequency of weed killer application on St. Augustine lawns depends on various factors such as the type of weed killer, the severity of the weed infestation, and the climate of the region. As a rule of thumb, it is recommended to apply weed killer on St. Augustine lawns during the growing season, which typically lasts from late spring to early fall. However, it is important to follow the manufacturer's instructions on the label when applying weed killer to ensure optimal results.
If you are dealing with a severe weed infestation, it may be necessary to apply weed killer more frequently, such as every 4-6 weeks. It is also important to note that some weed killers may require a waiting period before reapplication, so be sure to check the label for specific instructions.
Additionally, it is important to maintain proper lawn care practices such as regular mowing, watering, and fertilizing to prevent weed growth and promote a healthy lawn. If you are unsure about the best approach to weed control for your St. Augustine lawn, consulting with a lawn care professional can provide valuable insight and guidance.
What are the most effective weed killers for St. Augustine grass?
St. Augustine grass is a popular variety of turfgrass in warm, humid regions, and it is known for its lush, green appearance and ability to tolerate a range of soil and climate conditions. However, like any other type of grass, St. Augustine can be susceptible to weed growth, which can take away from its aesthetic appeal and reduce its overall health. When it comes to choosing a weed killer for St. Augustine grass, there are several options to consider.
One of the most effective herbicides for controlling weeds in St. Augustine grass is Atrazine. This herbicide works by preventing weeds from photosynthesizing, which causes them to die off. Atrazine is particularly effective against broadleaf weeds, such as clover and dandelions, and it is safe for use on St. Augustine grass. Other herbicides that can be effective for controlling weeds in St. Augustine grass include 2,4-D and glyphosate.
When using any type of weed killer on St. Augustine grass, it is important to read and follow the label instructions carefully. Applying too much herbicide or applying it at the wrong time of year can damage or even kill the grass. Additionally, it is always a good idea to test any herbicide on a small area of grass before applying it to the entire lawn to ensure that it is safe and effective.
What are the potential risks or side effects of using weed killer on St. Augustine grass?
Using weed killer on St. Augustine grass may come with several potential risks or side effects. One of the most common risks is the damage it may cause to the grass itself. Weed killers contain chemicals that could potentially harm the St. Augustine grass if not used properly. Overapplication or using a weed killer that is not compatible with St. Augustine may lead to discoloration, stunted growth, or even death of the grass. Additionally, weed killers may have harmful effects on the environment, including contaminating nearby water sources or harming beneficial insects and animals.
Moreover, weed killers may pose a risk to human health if not used properly. They may contain toxic chemicals that could potentially cause skin irritation, respiratory problems, or other health risks if inhaled or ingested. It is important to wear protective gear such as gloves, long-sleeved shirts, and masks when using weed killers to minimize this risk.
Overall, while weed killers may be effective in controlling unwanted weeds in St. Augustine grass, it is important to use them cautiously and follow the manufacturer's instructions to avoid potential risks or side effects.
What is the best post-emergent weed killer for St. Augustine grass?
The best post-emergent weed killer for St. Augustine grass is one that specifically targets the weeds in your lawn without harming the grass itself. Some of the most effective herbicides for St. Augustine grass include Atrazine and 2,4-D, as they are known to selectively control a wide range of broadleaf weeds, such as dandelions, clover, and chickweed, without damaging the grass.
It is important to note that different post-emergent herbicides have different application rates, and some may require multiple applications to effectively kill the weeds. Additionally, it is important to follow the application instructions on the label to avoid damaging your St. Augustine grass or other nearby plants.
If you are unsure about which post-emergent weed killer to use on your St. Augustine grass, it is recommended to consult with a lawn care professional, who can recommend the best product for your specific needs and provide guidance on proper application techniques.
What is the best time of year to apply weed killer to St. Augustine grass?
The best time of year to apply weed killer to St. Augustine grass depends on the type of weed killer you are using and the region you live in. In general, it is best to apply weed killer to St. Augustine grass when the weeds are actively growing and the grass is not stressed. For warm-season grasses like St. Augustine, this typically means applying weed killer in the late spring or early summer when temperatures are consistently above 60°F and the grass is actively growing.
Before applying weed killer, it is important to read the label carefully to ensure that the product is safe for use on St. Augustine grass and to follow the manufacturer's instructions for application. It is also important to avoid applying weed killer during periods of drought or extreme heat, as this can stress the grass and increase the risk of damage.
If you are unsure about the best time of year to apply weed killer to your St. Augustine grass, you may want to consult with a local lawn care professional or contact your local Cooperative Extension office for guidance.