Best Weed Killer For Southern Lawns (2024 Updated)

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As a homeowner or landscaper in the southern region of the United States, you know that maintaining a beautiful lawn requires more than just watering and mowing. Weeds can quickly take over and ruin the look of your lawn, but choosing the right weed killer can be a daunting task. In this article, we will provide you with a short guide on what to consider when looking for the best weed killer for southern lawns.

Firstly, you need to determine the type of weeds you are dealing with. Some weed killers are designed to target specific types of weeds, while others are more general. Secondly, consider the type of grass in your lawn as some weed killers can harm certain types of grass. Thirdly, choose a weed killer that is safe for pets and children if you have them playing on your lawn. Fourthly, consider the application method, whether it is a spray, granular, or concentrate. Lastly, consider the effectiveness of the weed killer and how long it will take to see results.

In conclusion, choosing the best weed killer for your southern lawn requires careful consideration of the type of weeds, grass, safety, application method, and effectiveness. With these key points in mind, you can make an informed decision and achieve a beautiful, weed-free lawn.

10 Best Weed Killer For Southern Lawns

1. Southern Ag Lawn Weed Killer With Trimec Herbicide, 128oz – 1 Gallon 13504

Southern Ag Lawn Weed Killer with Trimec Herbicide is a powerful solution for controlling a wide range of lawn weeds. This product is specially formulated to work on nine different types of turf, making it a versatile choice for homeowners and landscapers alike.

The key to the effectiveness of Southern Ag Lawn Weed Killer is its patented combination of three proven weed killers. These ingredients work together to attack weeds at the roots, preventing them from regrowing and spreading throughout your lawn. This powerful combination of herbicides is safe for use on most types of grass and will not harm your lawn when used as directed.

This product is available in a convenient 128-ounce bottle, which is enough to treat up to one acre of lawn. It can be used with both conventional and hose-end sprayers, making it easy to apply to your lawn. Simply follow the directions on the label to mix and apply the product, and you'll be on your way to a beautiful, weed-free lawn in no time.

Southern Ag Lawn Weed Killer is effective against a wide range of common lawn weeds, including clover, dandelions, chickweed, and more. It works by penetrating the leaves of the weed and traveling down to the root system, where it kills the weed and prevents it from regrowing. This makes it a great choice for anyone who wants to get rid of pesky weeds without damaging their lawn.

Overall, Southern Ag Lawn Weed Killer with Trimec Herbicide is a powerful and effective solution for controlling weeds in your lawn. With its patented combination of proven weed killers and easy-to-use application methods, it's a great choice for anyone who wants to keep their lawn looking its best. So why wait? Order your bottle today and start enjoying a beautiful, weed-free lawn!

2. Southern Ag 13503 Lawn Weed Killer With Trimec 32oz Herbicide, Brown

Southern Ag 13503 Lawn Weed Killer with TRIMEC 32oz Herbicide is a highly effective solution for controlling a wide range of lawn weeds. It is specially formulated for use on 9 different turf types, making it a versatile choice for homeowners and lawn care professionals alike.

This herbicide features a patented combination of three proven weed killers that work together to provide fast and thorough weed control. The active ingredients in this product are 2,4-D, Mecoprop-p, and Dicamba, which are all highly effective at killing broadleaf weeds in lawns.

To use this herbicide, simply mix it with water and apply it using a conventional or hose end sprayer. The product comes with detailed instructions for use, making it easy to achieve optimal results. For even better performance, it is recommended to use a surfactant with the herbicide.

One of the key benefits of Southern Ag 13503 Lawn Weed Killer is its ability to control a wide range of lawn weeds. This product is highly effective at killing dandelions, clovers, chickweed, and other common broadleaf weeds that can be difficult to eradicate using other methods.

Furthermore, this herbicide is safe for use on most lawns when used according to the instructions. It is also rainfast in as little as three hours, meaning that it starts working quickly and won't wash away in the rain.

Overall, Southern Ag 13503 Lawn Weed Killer with TRIMEC 32oz Herbicide is an excellent choice for anyone looking to achieve a healthy, weed-free lawn. With its powerful combination of active ingredients and easy-to-use formula, it provides fast and effective results that are sure to impress.

3. Southern Ag 13502 Lawn Weed Killer With Trimec Herbicide, 16oz, Brown

The Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide is a powerful solution designed for use on nine different turf types. This product effectively targets and controls a wide range of lawn weeds with a patented combination of three proven weed killers.

The product comes with clear and concise directions for use in both conventional and hose-end sprayers, making it easy to apply. To achieve even better results, the manufacturer recommends using a surfactant for herbicide to increase the product's performance.

This weed killer is a reliable solution for removing unwanted weeds from your lawn, including dandelions, clover, chickweed, and more. With its unique formula, this herbicide delivers fast and long-lasting results, ensuring your lawn remains healthy and free from invasive weeds.

The Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide is an excellent choice for homeowners and landscapers alike. Its effectiveness and ease of use make it a popular choice for those looking to maintain a healthy, vibrant lawn.

It is important to note that while this product is highly effective, care should be taken to follow the instructions carefully and avoid contact with desirable plants. Additionally, it is recommended to avoid using this product during periods of drought or when temperatures exceed 90 degrees Fahrenheit to prevent damage to your lawn.

Overall, the Southern Ag 13502 Lawn Weed Killer with TRIMEC Herbicide is a reliable and effective solution for controlling a wide range of lawn weeds. Its patented formula and easy-to-follow instructions make it a popular choice among homeowners and landscapers alike.

4. Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide, Light Tan

Southern Ag 006130 Atrazine St. Augustine Weed Killer is a specialty herbicide that effectively controls weeds in St. Augustine and Centipede grasses. This product comes in a 32oz container and is capable of treating an area of 3,720 sq ft.

St. Augustine and Centipede grasses are popular choices for lawns in the southern United States, but they are susceptible to weed infestations. Common weeds that invade these types of grasses include crabgrass, clover, and dandelions. These weeds can be unsightly and can also damage the grass, leading to patchy and unhealthy lawns.

Southern Ag 006130 Atrazine St. Augustine Weed Killer is specifically designed to address these weed problems. It contains the active ingredient Atrazine, which is a powerful herbicide that targets broadleaf weeds while leaving grass unharmed. This makes it an ideal choice for homeowners and landscapers who want to maintain healthy and attractive lawns without worrying about damaging the grass.

One quart of Southern Ag 006130 Atrazine St. Augustine Weed Killer can treat an area of 3,720 sq ft, making it a cost-effective solution for weed control. The product comes in a lightweight, 1.021-kilogram container with dimensions of 5.842 L x 19.177 H x 12.954 W (centimeters), making it easy to handle and store.

To use Southern Ag 006130 Atrazine St. Augustine Weed Killer, simply mix the recommended amount of product with water and apply it to the affected area using a sprayer. The product should be applied evenly to ensure complete coverage of the weeds. It is important to follow the instructions carefully to ensure effective and safe use of the product.

In summary, Southern Ag 006130 Atrazine St. Augustine Weed Killer is a highly effective specialty herbicide that targets broadleaf weeds in St. Augustine and Centipede grasses while leaving the grass unharmed. It is easy to use, cost-effective, and comes in a lightweight container that is easy to store. With this product, homeowners and landscapers can maintain healthy and attractive lawns free from unsightly and damaging weeds.

5. Image 32 Oz. Southern Lawn Weed Killer Ready To Spray

The IMAGE 32 oz. Southern Lawn Weed Killer Ready to Spray is a highly effective solution for eliminating tough weeds that grow on lawns. This product is designed to kill weeds down to their roots, ensuring they don't grow back. The weed killer is formulated to be safe for use on floratam lawns, and it will not harm your grass when used as directed.

The IMAGE 32 oz. Southern Lawn Weed Killer comes in a ready-to-spray bottle, which makes it easy to apply to your lawn. This product is fast-acting, and you can expect to see results in just a few hours. A single 32 fl. oz. bottle can cover up to 5,000 sq. ft. of lawn, making it an economical and efficient solution for weed control.

One of the best features of this weed killer is that it is selective in its action. It will kill weeds but not harm the grass, provided you follow the instructions on the label. This makes it an ideal product for those who want to maintain a lush, green lawn without having to worry about unsightly weeds.

To use this product, simply attach the bottle to your garden hose and spray evenly over your lawn. You should apply the weed killer when the weeds are actively growing, and avoid using it during hot, dry weather. It is also recommended that you do not apply the product when rain is expected within 24 hours.

Overall, the IMAGE 32 oz. Southern Lawn Weed Killer Ready to Spray is an excellent choice for anyone looking to get rid of tough weeds on their lawn. It is fast-acting, easy to use, and safe for your grass. With regular use, this product can help you maintain a beautiful, weed-free lawn all year round.

6. Clc Custom Leathercraft Rain Wear R23008 Over The Sock Black Pvc Men's Rain Boot, Size 8

The CLC Custom Leathercraft Rain Wear R23008 Over The Sock Black PVC Men's Rain Boot, Size 8 is a reliable footwear option for those who need to work in wet and muddy conditions. Made from PVC polyblend injection molded construction, these boots are seamless and 100% waterproof, yet flexible enough to ensure maximum comfort. They are also resistant to degradation from agricultural chemicals, fertilizers, and animal waste, making them ideal for farm work and other related activities.

One of the unique features of these boots is the CT (Comfort Technology) design. This design includes a scalloped top-line that allows for easy flexing, as well as a guide along the shaft that lets the wearer customize the height. Additionally, the boots are reinforced at critical stress points to ensure longer wear.

For added comfort, the boots come with a lightweight FOOT FORM contour cushion insole that provides arch and heel support. This insole is also removable, washable, and replaceable, making it easy to maintain the boots over time.

The deep angle cleated outsole of the CLC Custom Leathercraft Rain Wear R23008 Over The Sock Black PVC Men's Rain Boot, Size 8 provides excellent traction and prevents slips and falls on slippery surfaces. The contoured heel cup also helps to reduce heel slippage, ensuring the wearer's foot stays in place while they work.

These boots are also electrical hazard rated outsole, meeting ASTM F2413-11 EH standards. This means they provide protection against electrical hazards, making them ideal for use in industrial settings.

Overall, the CLC Custom Leathercraft Rain Wear R23008 Over The Sock Black PVC Men's Rain Boot, Size 8 is a versatile and reliable footwear option for those who work in wet and muddy conditions. They are recommended for use in food processing, custodial, farm, and general purpose environments.

7. Southern Ag Crossbow Specialty Herbicide Low Volatile Weed & Brush Herbicide, 32oz -Quart

Southern Ag Crossbow Specialty Herbicide is a highly effective low volatile weed and brush herbicide. This powerful herbicide is available in a 32oz quart size and is designed to control most unwanted trees and brush. It is ideal for use on rangeland, grass pastures, and non-crop areas.

The Southern Ag Crossbow Specialty Herbicide contains two active ingredients, 2,4-dichlorophenoxyacetic acid, butoxyethyl ester, and Triclopyr. These ingredients work together to deliver a potent herbicidal effect on weeds and brush, while being safe for use around animals and humans.

This herbicide is easy to use, simply mix with water and apply with a sprayer. It is recommended to use this herbicide when the target weeds and brush are actively growing, and when the weather conditions are favorable for herbicide application.

One of the key benefits of Southern Ag Crossbow Specialty Herbicide is its low volatility. This means that it has a reduced tendency to vaporize and move off target, reducing the risk of damage to nearby crops or vegetation. This also makes it a safer option for use in areas with sensitive vegetation or where wind drift may be a concern.

Southern Ag Crossbow Specialty Herbicide is a trusted brand in the agriculture industry, with a long-standing reputation for delivering effective and reliable results. It is a cost-effective solution for controlling unwanted weeds and brush, and is available in large quantities for those who require bulk orders.

In conclusion, Southern Ag Crossbow Specialty Herbicide is a powerful low volatile herbicide that is ideal for controlling unwanted trees and brush. Its easy-to-use formula, combined with its low volatility and safety around animals and humans, make it a popular choice for farmers and landowners alike.

8. Ortho Weedclear Lawn Weed Killer With Comfort Wand, 1 Gal. Kills Dandelion & Clover, Safe For Grass.

Ortho WeedClear Weed Killer for Lawns is a highly effective solution that targets 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed. With visible results in hours, the product is designed to kill weeds down to the root without harming your lawn (when used as directed).

The lawn-friendly formula contains three proven ingredients that target common lawn weeds, making it safe to use on established turfgrass types such as Kentucky bluegrass, ryegrass, tall fescue, fine fescues, Bermudagrass, zoysiagrass, and buffalograss. It is not intended for use on St. Augustinegrass, Bahiagrass, Bentgrass, Centipedegrass, Carpetgrass, Seashore paspalum, lawns with desirable clovers or legumes, Dichondra, ornamental plants (flowers, trees, groundcovers, landscape beds and shrubs), certain Turfgrass species, and gardens including vegetables, fruit trees, vines, and berries.

To apply Ortho WeedClear Weed Killer for Lawns, simply insert the ready-to-use trigger sprayer (included) and turn the nozzle to your desired setting. The product is rainproof in 1 hour upon drying, and people and pets may enter the treated area after the spray has dried. It is intended for the treatment of individual weeds, patches of weeds, or sparse weeds scattered throughout the lawn.

Ortho WeedClear Weed Killer for Lawns is easy to use and provides fast, visible results. The product comes with a Comfort Wand that allows for easy application, making it the perfect solution for those who want to maintain a healthy, weed-free lawn without damaging the grass.

Overall, Ortho WeedClear Weed Killer for Lawns is a great choice for anyone looking to get rid of weeds quickly and easily. With its lawn-friendly formula, easy-to-use trigger sprayer, and fast-acting formula, it is a must-have for anyone who wants to keep their lawn looking its best.

9. Ortho Nutsedge Killer For Lawns Ready-To-Spray, 32 Fl. Oz.

Ortho Nutsedge Killer for Lawns Ready-To-Spray is a powerful weed killer that is specially formulated to eliminate yellow and purple Nutsedge, Kyllinga, and over 50 other tough weeds. This product is designed to work on both Northern and Southern turf grasses, making it versatile and effective in different regions.

One of the key benefits of Ortho Nutsedge Killer for Lawns Ready-To-Spray is that it kills weeds without harming your lawn. This means that you can use it to eliminate pesky weeds without worrying about damaging your grass or other plants in your lawn.

Ortho Nutsedge Killer for Lawns Ready-To-Spray is also rainproof in just two hours, which means that you don't have to worry about the product becoming ineffective if it rains shortly after you apply it. This feature is particularly helpful for people who live in areas with unpredictable weather patterns.

Another advantage of Ortho Nutsedge Killer for Lawns Ready-To-Spray is that it comes ready to use, so you don't have to spend time mixing it. This makes it a convenient option for people who want to eliminate weeds quickly and easily without spending a lot of time preparing the product.

If you're struggling with Nutsedge or other tough weeds in your lawn, Ortho Nutsedge Killer for Lawns Ready-To-Spray is a reliable and effective solution. This product is designed to kill weeds effectively without harming your lawn, and it is rainproof in just two hours, making it a convenient option for people who live in areas with unpredictable weather patterns. With its ready-to-use formula, Ortho Nutsedge Killer for Lawns Ready-To-Spray is a convenient and effective way to eliminate weeds and keep your lawn looking healthy and beautiful.

Best Weed Killer For Southern Lawns FAQs

Are organic or natural weed killers effective for southern lawns?

Organic and natural weed killers can be effective for southern lawns, but their efficacy varies depending on the specific product and the type of weeds being targeted. Some natural weed killers, such as vinegar and salt solutions, can be effective for killing broadleaf weeds, but may not be effective for grassy weeds. Other organic weed killers, such as corn gluten meal, can prevent weed growth by inhibiting seed germination, but may not kill existing weeds. It is important to note that natural and organic weed killers may require multiple applications and may not provide immediate results like synthetic herbicides. Additionally, some natural weed killers may harm desirable plants if not applied carefully. Ultimately, the effectiveness of natural and organic weed killers will depend on the specific product and the weed management practices employed by the homeowner.

Can I use a pre-emergent herbicide as a weed killer for my southern lawn?

No, a pre-emergent herbicide should not be used as a weed killer for a southern lawn. Pre-emergent herbicides are designed to prevent weeds from germinating and should be applied before weeds begin to grow. Using a pre-emergent herbicide after weeds have already grown will not effectively kill them.

Instead, a post-emergent herbicide should be used to kill existing weeds in a southern lawn. It's important to choose the appropriate herbicide for the specific type of weed and to follow the manufacturer's instructions carefully. It's also important to apply herbicide when the weather conditions are favorable, and to avoid applying it during periods of drought or extreme heat. Additionally, proper lawn care practices such as regular mowing, watering, and fertilization can help prevent weed growth and promote a healthy lawn.

How do I choose the right weed killer for my southern lawn?

Choosing the right weed killer for a southern lawn depends on the type of weeds present and the desired outcome. Selective herbicides target specific types of weeds, while non-selective herbicides kill all plants. For southern lawns, selective herbicides containing ingredients such as 2,4-D, dicamba, and MCPP are effective against broadleaf weeds like dandelions and clover. Bermuda grass and crabgrass can be controlled with selective herbicides containing quinclorac, dithiopyr, or pendimethalin. Non-selective herbicides like glyphosate are effective against all types of weeds but should be used with caution to avoid killing desirable plants. It is important to read and follow label instructions carefully, as some herbicides may be harmful to pets or the environment. For best results, apply weed killer when the weeds are actively growing and avoid applying during hot and dry weather or before rain.

What are the most effective weed killers for southern lawns?

The most effective weed killers for Southern lawns are those that contain active ingredients such as 2,4-D, dicamba, and MCPP. These herbicides are designed to kill broadleaf weeds like dandelions, clovers, and chickweed, which are common in Southern lawns. It is important to choose a weed killer that is labeled for use in your specific type of lawn and to apply it according to the manufacturer's instructions. Pre-emergent herbicides like Prodiamine and Dithiopyr can also be effective in preventing weed growth before it starts. Additionally, maintaining a healthy lawn with proper watering, fertilization, and mowing can help prevent weed growth and make it easier to control any weeds that do appear. Consult with a lawn care professional for personalized recommendations for your specific lawn needs.

What are the potential risks and side effects of using weed killers on southern lawns?

The use of weed killers on southern lawns poses potential risks and side effects. One of the risks is the possibility of environmental contamination, especially if the chemicals are used excessively or improperly. Weed killers can also harm non-target plants and animals, including beneficial insects and pollinators. Some weed killers contain carcinogenic substances that may pose health risks to humans and pets. Additionally, overuse of weed killers can lead to the development of herbicide-resistant weeds. Side effects of weed killers on lawns include discoloration, stunted growth, and even death of the grass. Weed killers can also negatively impact soil health, reducing its ability to support healthy plant growth. Proper use of weed killers, including following label instructions and using them sparingly, can minimize these risks and side effects.

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