10 Best Weed And Feed For St Augustine (2024 Update)

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If you are looking for a way to maintain a healthy and lush lawn, then you might want to consider using a weed and feed product for St. Augustine grass. However, before you go out and buy any weed and feed, there are some key points you should know to ensure that you get the right product for your lawn.

Firstly, it is important to check the label of the product you are considering to make sure it is specifically designed for St. Augustine grass. Different types of grass have different nutrient requirements, and using the wrong product could potentially harm your lawn.

Secondly, consider the season in which you are planning to use the weed and feed. Depending on the product, some are better suited for use in the spring, while others are more effective in the fall.

Thirdly, make sure to read the instructions carefully and follow them closely. Applying too much or too little of the product could result in poor results or even damage to your lawn.

Fourthly, consider any potential environmental concerns. Some weed and feed products may contain harmful chemicals that could harm wildlife or pollute nearby water sources.

Lastly, consider your budget. Different products come at different price points, and it is important to find one that fits within your budget while still providing the necessary nutrients and protection for your lawn.

By considering these key points, you can find the right weed and feed product for your St. Augustine lawn and help keep it healthy and vibrant all year round.

10 Best Weed And Feed For St Augustine

1. Scotts Turf Builder Bonus S Southern Weed & Feed2, 17.24 Lbs.

Scotts Turf Builder Bonus S Southern Weed & Feed2 is a powerful lawn care product designed to help homeowners maintain a healthy and vibrant lawn. This 17.24 lbs. bag of granules contains a potent weed killer that effectively eliminates dollarweed, clover, and other common lawn weeds, while simultaneously feeding the grass to promote healthy growth and prevent future weed growth.

The product is specifically formulated for St. Augustinegrass (including Floratam), centipede, zoysia, and carpetgrass lawns found in TX, FL (except Panhandle region), LA, AL, GA, MS, NC, and SC. It is not recommended for use on Bermudagrass. This ensures that the product is suitable for the unique needs of the grass and soil in these regions.

Scotts Turf Builder Bonus S Southern Weed & Feed2 works by feeding the grass with essential nutrients that help it grow strong and deep roots, making it more resistant to heat and drought. The product is enriched with nitrogen, phosphorus, and potassium, which are essential elements for plant growth. These nutrients help to promote healthy growth, making the grass thicker and greener, while at the same time crowding out future weed growth.

The weed killer in Scotts Turf Builder Bonus S Southern Weed & Feed2 is highly effective at eliminating common lawn weeds. It targets the weeds' roots, making them unable to grow back. This ensures that the lawn stays free of unsightly weeds and looks lush and healthy all year round.

To use the product, homeowners should apply it to a dry lawn and water it in afterward. The granules dissolve quickly and begin working immediately, feeding the grass and killing weeds. Results can be seen within just a few days, and the lawn will continue to improve over the next few weeks.

In summary, Scotts Turf Builder Bonus S Southern Weed & Feed2 is an excellent product for homeowners looking to maintain a healthy and vibrant lawn. It effectively kills common lawn weeds and feeds the grass to promote healthy growth and prevent future weed growth. It is easy to use and provides quick results, making it an ideal choice for busy homeowners who want a beautiful lawn without spending too much time on maintenance.

2. Fertilome (10917) St. Augustine Weed & Feed 15-0-4 (32 Lbs.)

Fertilome's St. Augustine Weed & Feed 15-0-4 is a high-quality herbicide and fertilizer mix that is specifically designed for Centipede, Zoysia, and St. Augustine lawns. This product is perfect for homeowners who want to control weeds while at the same time providing their lawns with essential nutrients to keep them healthy throughout the season.

The pre-emergent and post-emergent herbicide in this product is effective at controlling a wide range of weeds that can infiltrate your lawn. It is important to note that this product should not be used on Bermuda Grasses or any other type of Northern grass. It is specifically formulated for use on St. Augustine, Centipede, and Zoysia grass types.

The Fertilome St. Augustine Weed & Feed 15-0-4 is a combination of a weed killer and a fertilizer. The fertilizer contains a 15-0-4 mix of essential nutrients that your lawn needs to stay healthy and vibrant. The product is designed to be applied in early spring to ensure that your lawn is protected from weeds and receives the necessary nutrients throughout the season.

One bag of Fertilome St. Augustine Weed & Feed 15-0-4 covers an area of 5,000 square feet. The application rate varies depending on the footage of your lawn. It is essential to read the label carefully to ensure that you apply the product correctly. The label contains detailed instructions on how to apply the product, including the application rate and timing.

In conclusion, Fertilome's St. Augustine Weed & Feed 15-0-4 is an excellent product for homeowners who want to keep their lawns healthy and free of weeds. Its pre-emergent and post-emergent herbicide controls a wide range of weeds, and its fertilizer provides essential nutrients to keep your lawn healthy throughout the season. If you have St. Augustine, Centipede, or Zoysia grass types, this product is an excellent choice for you.

3. Lesco 50 Lb. St. Augustine Grass Weed And Feed With Penoxsulam

Lesco Professional's 50 lb. St. Augustine Grass Weed and Feed with Penoxsulam is a specially formulated fertilizer designed to provide optimal nourishment for St. Augustine grass. With a coverage of up to 13,000 square feet, this product is ideal for large lawns and gardens.

This weed and feed fertilizer is composed of 30% poly-coated sulfur-coated urea, which ensures slow and steady release of nutrients for up to eight weeks. This extended feeding period means that you can enjoy a lush, green lawn for longer without having to reapply the fertilizer frequently.

The Lesco 50 lb. St. Augustine Grass Weed and Feed with Penoxsulam is safe for use on the Floratam variety of St. Augustine grass. It should be applied when the turf is wet and allowed to dry before watering again. Results can be seen in just two weeks, as the nutrients start to penetrate the soil and nourish the grass.

One of the key benefits of this fertilizer is its weed control properties. The addition of Penoxsulam helps to keep weeds at bay, preventing them from competing with the grass for nutrients and water. This means that you can enjoy a lawn that is not only healthy and vibrant but also free from unsightly weeds.

Using the Lesco 50 lb. St. Augustine Grass Weed and Feed with Penoxsulam is simple and easy. The product comes in a convenient 50 lb. bag that can be easily transported and stored. Simply apply the fertilizer evenly across your lawn, following the recommended application rate.

Overall, the Lesco 50 lb. St. Augustine Grass Weed and Feed with Penoxsulam is an excellent choice for anyone looking to maintain a healthy, weed-free lawn. Its slow-release formula and long feeding period ensure that your lawn stays green and vibrant for longer, while its weed control properties help to keep your lawn looking its best.

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

Southern Ag 006130 Atrazine St. Augustine Weed Killer 32oz Specialty Herbicide is a highly effective solution for controlling weeds in St. Augustine and Centipede grasses. This product comes in a quart-sized bottle that can treat an area of up to 3,720 square feet. With its potent formula and easy-to-use design, this herbicide is an excellent choice for homeowners and landscapers alike.

One of the most significant advantages of Southern Ag 006130 Atrazine St. Augustine Weed Killer is its ability to control a wide range of weeds. This product is specially formulated to target weeds that commonly infest St. Augustine and Centipede grasses, including dollarweed, sandspur, and crabgrass. By eliminating these weeds, this herbicide helps to promote healthy and lush growth of the grass, resulting in a beautiful and vibrant lawn.

Another key benefit of Southern Ag 006130 Atrazine St. Augustine Weed Killer is its ease of use. This product can be applied using a standard sprayer, making it quick and convenient to apply to your lawn. Simply mix the herbicide with water according to the package instructions and spray evenly over the affected areas. The product can be applied in any season, although it is best applied during the growing season when the weeds are actively growing.

The package weight of Southern Ag 006130 Atrazine St. Augustine Weed Killer is 1.021 kilograms, and its dimensions are 5.842 L x 19.177 H x 12.954 W (centimeters). The light tan color of the herbicide makes it easy to see where you have applied it, ensuring even coverage and maximum effectiveness.

Overall, Southern Ag 006130 Atrazine St. Augustine Weed Killer is an excellent choice for anyone looking to control weeds in St. Augustine and Centipede grasses. Its potent formula, ease of use, and ability to target a wide range of weeds make it a versatile and effective solution for maintaining a healthy and vibrant lawn. Whether you are a homeowner or a professional landscaper, this herbicide is sure to deliver the results you need.

5. Bonide 301 O8586828 Weed And Feed Control, 32 Oz

Bonide 301 O8586828 Weed and Feed Control is a liquid solution that effectively kills various types of weeds while providing essential nutrients to the grass. This product is designed to eradicate black medic, clover, common chickweed, dandelion, dock, English daisy, knotweed, lambsquarters, mallow, mouse ear chickweed, oxalis, pigweed, plantain, purslane, and ragweed.

One of the primary features of this product is its 20-0-0 fertilizer composition. The three numbers on the label represent the three primary nutrients that plants need to thrive: nitrogen, phosphorus, and potassium. In this case, the fertilizer contains 20% nitrogen, 0% phosphate, and 0% potash. This nutrient balance is ideal for promoting healthy grass growth while also preventing weed growth.

Bonide 301 O8586828 Weed and Feed Control is intended for outdoor use only. It can be used on various types of grass, including bentgrass, bermudagrass, Kentucky bluegrass, fescues, perennial ryegrass, St. Augustinegrass lawns, vacant lots, playgrounds, and more. However, it is not intended for indoor use.

One quart of this product can treat up to 2,500 square feet of turfgrass, providing complete coverage. The product arrives in a container with an attached hose-end sprayer, making it easy to apply. Simply connect a garden hose to the sprayer and begin application. No mixing is required, making the process quick and efficient.

Overall, Bonide 301 O8586828 Weed and Feed Control is an effective solution for those looking to keep their lawns healthy and free of weeds. Its 20-0-0 fertilizer composition provides essential nutrients to the grass, while its weed-killing capabilities keep the lawn looking its best. With its complete coverage and easy-to-use hose-end sprayer, this product is a convenient and efficient choice for any lawn care routine.

6. Ortho Weedclear Ready-To-Spray Weed Killer For Lawns: 32 Oz., Treats 16,000 Sq. Ft., Safe For Grass, Kills Dandelion & Clover.

Ortho WeedClear Weed Killer for Lawns Ready-To-Spray is a powerful solution that can eliminate over 250 common weeds from your lawn, including dandelions, clover, poison ivy, chickweed, and dollarweed. With this product, you will see visible results in hours, and it is rainproof in just one hour after drying. Additionally, it is safe for people and pets to enter the treated area once the spray has dried.

This lawn weed killer comes in a 32 oz. bottle that can treat up to 16,000 sq. ft. of lawn. It is designed to kill weeds down to the root, making sure that they won't grow back. The Ortho WeedClear Weed Killer for Lawns Ready-To-Spray can be used on both warm-season and cool-season grasses, including Bermuda grass, buffalo grass, fescue, Kentucky bluegrass, zoysia grass, and more.

One of the best things about this lawn weed killer is that it won't harm your grass when used as directed. It contains three proven ingredients that target common lawn weeds while leaving your grass unharmed. This makes it an ideal solution for homeowners who want to keep their lawn looking healthy and lush while eliminating pesky weeds.

Using the Ortho WeedClear Weed Killer for Lawns Ready-To-Spray is easy. Simply connect your garden hose to the sprayer and set the nozzle to your desired setting. Then, spray the product evenly over your lawn, making sure to cover all of the areas where weeds are present. Once you have finished applying the product, let it dry for about an hour before allowing people or pets to enter the treated area.

In conclusion, if you're looking for a powerful and effective solution to eliminate weeds from your lawn, Ortho WeedClear Weed Killer for Lawns Ready-To-Spray is an excellent choice. It is easy to use, safe for people and pets, and won't harm your grass when used as directed. With this product, you can enjoy a healthy and beautiful lawn all season long.

7. Spectracide Weed Stop For St. Augustine & Centipede Lawns, 32oz, 6-Pack

Spectracide Weed Stop For Lawns is a powerful solution designed to control weeds in St. Augustine and centipede lawns. This concentrate is available in a ready-to-spray 32-ounce bottle, and a pack of six for those who need to cover larger areas.

One of the most significant benefits of this product is that it is formulated to kill weeds without harming the lawn. When used as directed, it can effectively control both emerged weeds and weeds from seeds. This means that homeowners can finally say goodbye to pesky weeds without worrying about damaging their beautiful lawns.

Spectracide Weed Stop For Lawns contains Atrazine, a powerful herbicide that is known for its effectiveness in controlling lawn weeds. This active ingredient is ideal for controlling weeds in all St. Augustinegrass varieties and centipedegrass, making it an excellent option for most lawns.

The product is designed to control even the toughest weeds in the lawn, including dollarweed, sandspur, and Florida betony. These weeds can be challenging to control, but with Spectracide Weed Stop For Lawns, homeowners can finally get rid of them once and for all.

To make application easy and convenient, Spectracide Weed Stop For Lawns comes in a hose-end concentrate. The QuickFlipTM hose-end sprayer activates the spray at the flip of a switch, making it easy to apply the solution evenly across the lawn.

Overall, Spectracide Weed Stop For Lawns is a powerful solution for homeowners who want to control weeds in their St. Augustine and centipede lawns. With its Atrazine formula and ability to control even the toughest weeds, it is an excellent choice for those who want to maintain a beautiful, weed-free lawn.

8. Scotts Turf Builder Triple Action Built For Seeding: 4,000 Sq. Ft. Coverage, Feeds New Grass, Controls Weeds, Prevents Crabgrass & Dandelions, 17.2 Lbs.

Scotts Turf Builder Triple Action Built For Seeding is a specially designed fertilizer that jump starts grass development, prevents bothersome weeds, and feeds new grass. This product is ideal for those who are starting a new lawn or reseeding an existing one. It is compatible with Kentucky Bluegrass, Tall Fescue, Perennial Ryegrass, Centipedegrass, and Fine Fescue.

This fertilizer does not contain grass seed, which means it can be used anytime without harming your new grass. It is formulated to prevent bothersome weeds like dandelions and crabgrass for up to 6 weeks. This ensures that your lawn will grow without any competition from unwanted weeds.

The Scotts Turf Builder Triple Action Built For Seeding comes in a 17.2-lb. bag that covers 4,000 sq. ft. For best results, it is recommended to apply using a Scotts spreader and lightly water in to activate. This will ensure that the fertilizer is evenly distributed and absorbed by the soil.

It is important to note that this product is not available in FL or CA. This is due to state regulations that restrict the use of certain chemicals in lawn care products.

For the ultimate Scotts lawn, it is recommended to use this fertilizer with Scotts Turf Builder Grass Seed. This combination will ensure that your lawn grows quicker and thicker, while also preventing the growth of bothersome weeds.

Overall, Scotts Turf Builder Triple Action Built For Seeding is an excellent product for those who want to start a new lawn or reseed an existing one. Its triple action formula ensures that your lawn grows without any competition from weeds, while also receiving the necessary nutrients for healthy growth.

Best Weed And Feed For St Augustine FAQs

Can weed and feed harm St. Augustine grass?

Yes, weed and feed products can harm St. Augustine grass if not used properly. Weed and feed products contain herbicides to kill weeds and fertilizers to promote grass growth. St. Augustine grass is sensitive to certain herbicides, such as 2,4-D, which is commonly found in weed and feed products. If applied incorrectly or at the wrong time, weed and feed products can damage or even kill St. Augustine grass.

It is essential to follow the instructions on the product label carefully and to use the product at the appropriate time of year. For St. Augustine grass, it is best to apply weed and feed products in the spring or early summer when the grass is actively growing. It is also important to avoid using weed and feed products during periods of drought or high temperatures, as this can further stress the grass and make it more susceptible to damage.

If you are unsure whether a weed and feed product is suitable for your St. Augustine grass, it is always best to consult with a lawn care professional or your local extension office for advice.

How often should I apply weed and feed to my St. Augustine lawn?

As a professional, I would recommend applying weed and feed to your St. Augustine lawn twice a year, in the spring and fall. Timing is crucial when it comes to applying weed and feed, as it should be done when the weeds are actively growing and the grass is in its most active growth phase. Applying weed and feed at the wrong time can result in uneven growth and damage to the lawn.

It's important to follow the instructions on the product label carefully and apply the correct amount of weed and feed per square foot of lawn. Overapplication can lead to burning and damage to the lawn, while underapplication may not effectively control weeds.

In addition to weed and feed, it's important to maintain proper lawn care practices such as regular mowing, watering, and fertilization. A healthy and well-maintained lawn is less susceptible to weed growth and can better withstand environmental stressors.

What are the benefits of using weed and feed on St. Augustine grass?

Weed and feed is a combination of herbicides and fertilizers that is commonly used to maintain lawns. When it comes to St. Augustine grass, there are several benefits to using weed and feed.

Firstly, weed and feed is effective in controlling and preventing the growth of weeds in St. Augustine grass. Weeds can be unsightly and can also compete with the grass for nutrients and water. By using weed and feed, you can keep your lawn looking healthy and lush.

Secondly, weed and feed also provides essential nutrients to St. Augustine grass. Fertilizers in the weed and feed help to strengthen the roots of the grass, which in turn promotes healthy growth and a vibrant green color.

Lastly, using weed and feed on St. Augustine grass can save time and money. By combining herbicides and fertilizers, you can take care of two lawn maintenance tasks at once. This means you can spend less time and money on lawn care products and more time enjoying your beautiful lawn.

In summary, using weed and feed on St. Augustine grass can help control and prevent weed growth, provide essential nutrients, and save time and money. It is important to follow the instructions on the product label and apply the weed and feed at the appropriate time for best results.

What is the best weed and feed product for St. Augustine grass?

When it comes to maintaining a healthy and lush lawn, using a weed and feed product is essential. St. Augustine grass is a popular warm-season grass variety that requires specific care to thrive. It is important to choose a weed and feed product that is specifically formulated for St. Augustine grass.

One of the best weed and feed products for St. Augustine grass is Scotts Turf Builder Southern Triple Action. This product is designed to kill weeds, prevent future weed growth, and feed the lawn to promote healthy growth. It is also formulated to work in the unique soil conditions of the Southern United States.

Another great option is the Spectracide Weed Stop for Lawns plus Fertilizer. This product is designed to kill over 250 types of weeds, including tough weeds like dandelions and clover. It also feeds the lawn to promote healthy growth and is safe for use on St. Augustine grass.

Ultimately, the best weed and feed product for your St. Augustine grass will depend on your specific lawn care needs and preferences. It is important to carefully read product labels and choose a product that is safe and effective for your lawn.

When is the best time to apply weed and feed to St. Augustine grass?

Augustine grass is during the growing season when the grass is actively growing. This usually falls in the spring and fall, but it may depend on the specific climate and location.

It is important to avoid applying weed and feed during periods of drought or heat stress, as this can cause damage to the lawn. It is also important to follow the manufacturer's instructions carefully, as over-application can harm the grass and under-application may not effectively control weeds.

It is recommended to mow the lawn and water it lightly before applying weed and feed, as this can improve absorption and effectiveness. Additionally, it may be beneficial to aerate the lawn beforehand to improve soil health and nutrient absorption.

Overall, timing is crucial when applying weed and feed to St. Augustine grass, and it is best to consult with a lawn care professional for personalized recommendations.

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