The best granular post-emergent for St. Augustine grass is Celsius WG. This product effectively targets and controls various weeds while promoting grass health.
St. Augustine grass thrives in warm climates and requires specific care to flourish. Choosing the right post-emergent weed control is crucial for maintaining its lush appearance. Granular options like Celsius WG offer precise application and effective results. These products not only tackle existing weeds but also support the overall health of your lawn.
Several brands, such as BioAdvanced and The Andersons, provide effective solutions tailored for southern lawns. Understanding the unique needs of St. Augustine grass can lead to a vibrant and weed-free lawn. Explore the best options to ensure your grass remains healthy and beautiful throughout the growing season.
The Andersons Barricade Professional-grade Granular Pre-emergent Weed Control

The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control is a powerful solution for homeowners and landscapers looking to maintain a weed-free lawn. With the ability to cover up to 5,800 sq ft, this 18 lb product provides effective control against a wide variety of weeds before they even have a chance to germinate.
- Highly effective pre-emergent formula
- Covers large areas (up to 5,800 sq ft)
- Easy to apply with a spreader
- Long-lasting protection against weeds
- Requires precise timing for application
- May not be effective against established weeds
- Can be harmful to desirable plants if misapplied
The Andersons Barricade is designed for optimal performance, ensuring that your lawn remains healthy and vibrant by preventing weeds before they sprout. The granular form makes it easy to apply using a spreader, allowing for even distribution across your lawn. Additionally, this pre-emergent weed control is formulated to provide long-lasting protection, which means fewer applications throughout the season.
However, successful use of this product hinges on proper timing. It’s essential to apply the Andersons Barricade at the right moment to ensure maximum efficacy against weed germination. If applied too late, it may not effectively target existing weeds. Users should also exercise caution, as misapplication can negatively impact desirable plants in the area. Overall, when used correctly, this product is an excellent choice for maintaining a weed-free environment.
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The Andersons 18-0-4 Barricade Fertilizer With Pre Emergent Weed Control

The Andersons 18-0-4 Barricade Fertilizer with Pre Emergent Weed Control is an essential product for any lawn care enthusiast looking to maintain a lush, green yard. Designed to cover up to 10,000 square feet, this 40 lbs fertilizer not only nourishes your grass but also provides effective weed control. Its unique formulation ensures that your lawn remains healthy while preventing the growth of unwanted weeds.
Pros:
- Effective pre-emergent weed control
- Nutrient-rich formula promotes lawn health
- Covers a large area of up to 10,000 sq ft
- Easy to apply with standard spreaders
Cons:
- May require additional watering for optimal results
- Can be pricey compared to other fertilizers
- Not suitable for all grass types
When it comes to lawn care, the Andersons 18-0-4 Barricade Fertilizer stands out due to its dual-action benefits. Not only does it supply essential nutrients to your grass, but it also works as a pre-emergent weed control solution. This means that by applying it, you’re not just feeding your lawn, but you’re also taking proactive steps to prevent weeds from sprouting, thereby saving you time and effort in the long run.
Another notable feature of this fertilizer is its ease of use. With a weight of 40 lbs, it is manageable for most homeowners, and it can be applied using standard spreaders. The Andersons brand is well-regarded for its quality products, and this fertilizer is no exception. However, it’s important to consider the specific needs of your lawn, as its effectiveness can vary based on grass types and local conditions.
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Scotts Weedex Prevent With Halts

Introducing the Scotts WeedEx Prevent with Halts, a highly effective crabgrass preventer and pre-emergent grassy weed killer designed to protect your lawn from unwanted weeds. With a coverage area of 5,000 sq. ft. and a convenient weight of 10.06 lbs, this product is tailored to meet the needs of homeowners seeking a lush, weed-free lawn.
Pros:
- Highly effective at preventing crabgrass and other grassy weeds
- Covers up to 5,000 sq. ft.
- Easy to apply with standard lawn spreaders
- Long-lasting results for a healthier lawn
- Trusted brand: Scotts
Cons:
- Can be ineffective if applied incorrectly
- Requires specific timing for optimal results
- May not control all types of weeds
The Scotts WeedEx Prevent with Halts stands out due to its specialized formula that not only targets crabgrass but also other common grassy weeds, making it a versatile choice for lawn care. The product’s dimensions (Height: 3.0 inches, Width: 10.0 inches, Length: 15.0 inches) make it compact and easy to store when not in use. With a weight of 10.27 pounds, it’s manageable for most users, ensuring a hassle-free application process.
For best results, it’s crucial to apply this product at the right time of the year, typically in early spring before the weeds begin to germinate. This pre-emergent action helps to create a barrier that prevents weeds from taking root, allowing your grass to thrive. While the Scotts WeedEx Prevent has its pros and cons, its effectiveness in maintaining a weed-free lawn makes it a worthwhile investment for homeowners aiming for a pristine garden.
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Celsius Wg – Easy Mix Packet-post Emerge Weed Control

The Celsius WG – 0.226 oz Easy Mix Packet-Post Emerge Weed Control is a potent solution designed to tackle unwanted weeds effectively. Manufactured by Bayer under the Prime Source brand, this product is ideal for those looking to maintain a pristine lawn or garden. The convenient packet size makes it easy to mix and apply, ensuring that you can get rid of pesky weeds without hassle.
Pros:
- Easy to mix and apply
- Effective against a wide range of weeds
- Compact size for easy storage
- Fast-acting formula
Cons:
- May require multiple applications
- Not suitable for all plant types
- Requires careful handling to avoid damage to desirable plants
The Celsius WG offers a streamlined approach to weed control, allowing users to achieve professional results from the comfort of their homes. With its fast-acting formula, it targets weeds at their source, ensuring they don’t return quickly. The easy mix packet eliminates the need for complicated measuring, making it accessible even for novice gardeners.
Another notable feature is its compact size, making it easy to store without taking up much space. However, users should be cautious as it may not be suitable for all plant types and could require multiple applications for persistent weeds. Overall, Celsius WG stands out as a reliable option for those serious about maintaining their outdoor spaces.
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Bioadvanced Season Long Lawn Weed Killer + Preventer For Southern Lawns

The BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns is a highly effective solution designed specifically for those who want to maintain a healthy and weed-free lawn. This product comes in a convenient 10 LB granule form, covering up to 4,000 SQ FT, making it ideal for both small and large lawns.
- Provides long-lasting weed control
- Prevents new weeds from emerging
- Effective against a wide range of common lawn weeds
- Easy to apply with granule form
- Suitable for southern lawns
- May require multiple applications for best results
- Not suitable for all grass types
- Effectiveness can vary based on weather conditions
This product stands out due to its dual-action formula that not only targets existing weeds but also prevents new ones from sprouting. The granular formulation allows for easy and even distribution across your lawn, ensuring that every inch is treated effectively. With a coverage of 4,000 SQ FT, it can handle larger areas without the need for constant reapplication.
Additionally, the BioAdvanced brand is known for its quality, and this product is no exception. Manufactured by SBM Life Science, it combines advanced technology with user-friendly application methods. While it may have some limitations, such as requiring careful consideration of grass types, its benefits in maintaining a beautiful lawn often outweigh the cons.
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Frequently Asked Questions
What Is The Best Granular Post-emergent For St. Augustine Grass?
The best granular post-emergent for St. Augustine grass is Celsius WG. It effectively targets tough weeds while being gentle on your grass. This product is easy to mix and apply, ensuring a healthy lawn without damaging your St. Augustine grass.
How Does The Andersons Barricade Work?
The Andersons Barricade creates a barrier that prevents weed seeds from germinating. It is a professional-grade pre-emergent weed control product. This granular formula covers up to 5,800 square feet, making it a great choice for larger lawns.
Is Scott’s Weedex Effective For St. Augustine Grass?
Yes, Scott’s WeedEx is effective for St. Augustine grass. It contains ingredients that prevent crabgrass and other grassy weeds. This product is designed to be safe for your lawn while providing long-lasting weed control.
Can I Use Bioadvanced On St. Augustine Grass?
Yes, BioAdvanced Season Long Lawn Weed Killer is safe for St. Augustine grass. It prevents and kills weeds effectively while promoting lawn health. This granular formula covers up to 4,000 square feet, making it suitable for medium-sized lawns.
How Often Should I Apply Pre-emergent Weed Control?
You should apply pre-emergent weed control twice a year. The ideal times are in early spring and fall. This timing ensures maximum effectiveness against weeds while promoting healthy grass growth.
What Size Lawn Does The Andersons Fertilizer Cover?
The Andersons 18-0-4 Barricade Fertilizer covers 10,000 square feet. This makes it ideal for larger lawns needing both fertilization and pre-emergent weed control. Its balanced formula promotes lawn health while preventing weed growth.
Conclusion
Choosing the right granular post-emergent for your st. Augustine grass is essential for a lush, healthy lawn. Each product mentioned offers unique benefits tailored for effective weed control. The andersons barricade options provide extensive coverage, ensuring your yard stays weed-free.
Scott’s weedex is great for preventing grassy weeds, while celsius wg offers a convenient mixing option for targeted application. Bioadvanced’s formula is designed for southern lawns, making it a reliable choice for warm climates. Investing in these high-quality products will promote the health of your grass while minimizing weed growth.
Regular application and proper care will yield a vibrant lawn that you can enjoy year-round. Remember to follow the instructions for each product to achieve the best results. With the right granular post-emergent, you can maintain a beautiful st. Augustine grass lawn that stands out in your neighborhood.
Enjoy the satisfaction of a thriving outdoor space with these effective solutions.