Most lawn owners apply weed prevention at the wrong time, effectively watering weeds rather than stopping them. Bermuda grass requires a strict application calendar because these products act like a chemical wall against seeds trying to sprout.
Success depends on choosing the right chemistry for your specific soil health and climate. This guide highlights the Best Pre Emergents for Bermuda Grass to help you maintain a clean, uniform lawn.
Key Takeaways
- Check the active ingredient label specifically for prodiamine or dithiopyr to ensure long-term control.
- Match the application method to your equipment since granular options require a broadcast spreader.
- Calculate the total square footage of your property before purchasing to avoid overbuying or leaving gaps.
- Prioritize products labeled for your specific turf type to prevent accidental damage to established grass.
- Store granular products in climate-controlled areas to prevent moisture from ruining the chemical coating.
| Professional Grade Solution | ![]() |
Liquid Harvest Mesotrione 8oz Concentrate | Versatile dual action | Highly concentrated formula | Professional grade results | View on Amazon | Read Review |
| Reliable Crabgrass Stopper | ![]() |
Scotts Halts Crabgrass Preventer | Prevents crabgrass seeds | Easy granular application | Covers moderate lawns | View on Amazon | Read Review |
| Complete Seasonal Boost | ![]() |
Scotts Turf Builder Triple Action | Three-in-one action | Promotes rapid growth | Simple spreader application | View on Amazon | Read Review |
| Summer Protection Specialist | ![]() |
Scotts SummerGuard Lawn Food | Protects against insects | Feeds during heat | Easy to apply | View on Amazon | Read Review |
| Heavy Duty Barrier | ![]() |
The Andersons Barricade Granular Pre-Emergent | Professional grade control | Long-lasting soil barrier | Consistent granular size | View on Amazon | Read Review |
| Ideal Seeding Partner | ![]() |
Scotts Triple Action New Lawn | Safe for new grass | Encourages root development | Suppresses early weeds | View on Amazon | Read Review |
| Broadleaf Weed Destroyer | ![]() |
Scotts Turf Builder Weed Feed | Clears broadleaf weeds | Visible greening effect | Easy to use | View on Amazon | Read Review |
| Seasonal Defensive Shield | ![]() |
Scotts WeedEx Prevent with Halts | Strong crabgrass prevention | Prevents listed grassy weeds | Simple seasonal application | View on Amazon | Read Review |
| Precision Spot Treatment | ![]() |
Ortho Ready to Use Killer | Convenient ready-to-use spray | Fast acting formula | Great for spot treatment | View on Amazon | Read Review |
| Pro Level Prevention | ![]() |
Prodiamine 65 WDG Herbicide | Exceptional long-term control | Highly cost effective | Professional grade results | View on Amazon | Read Review |
More Details on Our Top Picks
-
Liquid Harvest Mesotrione 8oz Concentrate
This is the gold standard for serious lawn care enthusiasts who want total control. It acts as both a pre and post-emergent, meaning it stops new weeds before they sprout and knocks out existing ones. Think of it as a surgical strike against invaders in your Bermuda grass.
You need a pump sprayer to apply this correctly. It requires a bit more effort to mix and measure than granular options, but the flexibility it offers is unmatched. Be careful with your application rate, as this is a concentrated chemical designed for precise results.
- Brand Name:Liquid Harvest
- Product Type:Liquid concentrate
- Coverage Area:Varies by dilution
- Primary Function:Pre and post-emergent
- Active Ingredient:Mesotrione
- Additional Feature:Compare to Tenacity
- Additional Feature:Treats lawn and turf
- Additional Feature:Precise application control
-
Scotts Halts Crabgrass Preventer
If your lawn is plagued by stubborn crabgrass, this is a solid defensive barrier. It creates a shield in the soil that prevents seeds from gaining a foothold. Apply this early in the season to ensure your Bermuda grass has the space it needs to thrive.
The granular formula is straightforward to spread with any standard broadcast spreader. While it does a fantastic job with crabgrass and chickweed, it is a single-purpose tool. You will need to supplement with other products if you have a wide variety of broadleaf weeds.
- Brand Name:Scotts
- Product Type:Granular
- Coverage Area:5,000 sq. ft.
- Primary Function:Crabgrass prevention
- Active Ingredient:Pendimethalin
- Additional Feature:Stops grassy weeds
- Additional Feature:Simple seasonal defense
- Additional Feature:Effective chickweed control
-
Scotts Turf Builder Triple Action
This product acts like a multivitamin for your lawn. It handles three jobs at once: killing existing weeds, preventing new crabgrass, and feeding your grass. It is ideal if you want to maintain a healthy, thick Bermuda lawn without juggling multiple bags.
Because it contains fertilizer, you must be careful not to apply it during extreme heat. It works best when your grass is actively growing and the soil temperature is consistent. Use this if you want a simple, all-in-one routine.
- Brand Name:Scotts
- Product Type:Granular fertilizer and herbicide
- Coverage Area:4,000 sq. ft.
- Primary Function:Weed control and feeding
- Active Ingredient:2,4-D, Mecoprop-p, Pendimethalin
- Additional Feature:Kills common weeds
- Additional Feature:Feeds grass blades
- Additional Feature:Stops crabgrass growth
-
Scotts SummerGuard Lawn Food
Summer heat can be brutal on Bermuda grass, leaving it vulnerable to hungry insects. This product acts as a protective blanket. It nourishes the roots while simultaneously keeping common lawn pests from damaging your turf during the hottest months.
You should use this when insects are active but the lawn is not under severe drought stress. It is not a weed killer, so keep that in mind if you have active invaders. It is a seasonal necessity for homeowners who prioritize grass vitality.
- Brand Name:Scotts
- Product Type:Fertilizer and insecticide
- Coverage Area:5,000 sq. ft.
- Primary Function:Insect control and feeding
- Active Ingredient:Bifenthrin
- Additional Feature:Targets surface insects
- Additional Feature:Improves lawn density
- Additional Feature:Promotes heat tolerance
-
The Andersons Barricade Granular Pre-Emergent
This professional-grade option is built for long-lasting results. It creates a persistent barrier in the soil that prevents weeds for months. If you want to put down a treatment and forget about it, this is the reliable choice.
The granules are consistent and distribute well through a rotary spreader. It is a no-nonsense product designed for efficiency rather than quick green-up. Note that it does not kill weeds that have already sprouted, so timing is everything.
- Brand Name:The Andersons
- Product Type:Granular pre-emergent
- Coverage Area:5,800 sq. ft.
- Primary Function:Weed prevention
- Active Ingredient:Prodiamine
- Additional Feature:Professional quality formula
- Additional Feature:High coverage efficiency
- Additional Feature:Prevents seasonal weeds
-
Scotts Triple Action New Lawn
Starting a new lawn requires a delicate touch, and this product is designed specifically for new grass growth. It prevents weeds from stealing nutrients from your new seeds while providing the necessary fuel for them to establish. It is the best choice for a fresh start.
Because it is tailored for delicate seedlings, it is less aggressive than standard weed killers. You get the benefit of weed suppression without the risk of burning your young turf. Use this only when establishing a new lawn area.
- Brand Name:Scotts
- Product Type:Fertilizer and weed preventer
- Coverage Area:1,000 sq. ft.
- Primary Function:New lawn establishment
- Active Ingredient:Mesotrione
- Additional Feature:Protects new seedlings
- Additional Feature:Accelerates lawn greening
- Additional Feature:Targeted weed control
-
Scotts Turf Builder Weed Feed
If your lawn looks more like a wildflower meadow than a manicured golf course, reach for this. It clears out dandelions and clover while giving your Bermuda grass a deep green color. It is a classic for a reason.
Timing is key here, as you need the weeds to be actively growing for the herbicide to work. Apply it when the dew is on the grass so the granules stick to the leaves. It is not a preventer, so use it as a corrective measure throughout the season.
- Brand Name:Scotts
- Product Type:Fertilizer and herbicide
- Coverage Area:5,000 sq. ft.
- Primary Function:Weed control
- Active Ingredient:2,4-D, Mecoprop-p
- Additional Feature:Kills clover effectively
- Additional Feature:Eliminates dandelion patches
- Additional Feature:Promotes thick turf
-
Scotts WeedEx Prevent with Halts
This is your primary line of defense against crabgrass and other grassy invaders. It focuses entirely on prevention, ensuring those pesky seeds never have the chance to grow. It is a simple, effective way to keep your lawn clean all year long.
Like many preventers, it works by creating a soil seal. Do not rake or aerate your lawn after applying it, or you might break that shield. It is best suited for homeowners who prefer a proactive approach to lawn maintenance.
- Brand Name:Scotts
- Product Type:Granular pre-emergent
- Coverage Area:5,000 sq. ft.
- Primary Function:Weed prevention
- Active Ingredient:Pendimethalin
- Additional Feature:Stops invasive grasses
- Additional Feature:Easy to spread
- Additional Feature:Protective chemical barrier
-
Ortho Ready to Use Killer
Sometimes you only have a few weeds popping up in the cracks of your sidewalk or the corner of your lawn. This ready-to-use liquid is the perfect spot treatment for those moments. You do not need to mix anything, just point and spray.
This is a powerful, non-selective killer, so be careful. It acts like a blunt instrument, meaning it will kill whatever green plant life it touches. Use it for spot cleaning, not for treating your entire lawn.
- Brand Name:Ortho
- Product Type:Liquid herbicide
- Coverage Area:Spot treatment
- Primary Function:Weed killing
- Active Ingredient:Glyphosate
- Additional Feature:No mixing required
- Additional Feature:Precise trigger nozzle
- Additional Feature:Effective on vegetation
-
Prodiamine 65 WDG Herbicide
If you want the most bang for your buck, this professional-grade concentrate is the answer. It is a highly concentrated powder that you mix with water, providing enough product to cover an expansive yard for multiple seasons. It is essentially the industry standard for pre-emergent control.
You will need a scale to measure the powder and a sprayer for application. Because it is so concentrated, a little goes a long way, making it an incredibly efficient choice for larger properties. Just ensure you calculate your mix ratio correctly.
- Brand Name:Prodiamine
- Product Type:Water dispersible granule
- Coverage Area:Large scale
- Primary Function:Pre-emergent control
- Active Ingredient:Prodiamine
- Additional Feature:Low application rate
- Additional Feature:Broad spectrum prevention
- Additional Feature:Lasts all season
Frequently Asked Questions
Can I apply pre-emergent on a newly seeded Bermuda lawn?
Do not apply pre-emergents to newly seeded areas. These products act as a growth inhibitor and will kill your grass seeds just as effectively as the weeds. Wait until your new Bermuda grass has been mowed at least three or four times. By then, the root system is established enough to handle the treatment.
Will this kill my existing weeds?
Pre-emergents only stop new seeds from growing. They have no effect on weeds that have already sprouted or established themselves in your yard. If you have current weed issues, you must use a post-emergent herbicide first. Once the weeds are gone, the pre-emergent keeps them from returning.
How long does the protection last?
Most applications remain effective for three to six months depending on the specific chemical and local weather conditions. Heavy rain or intense heat can break down the barrier faster. Many experts recommend a split application strategy. This involves applying half the dose in early spring and the remainder in late spring to extend the coverage period.
Do I need to water the lawn immediately after application?
Yes, irrigation is vital for the product to function. You should water the lawn shortly after application to move the chemicals from the grass blades into the top layer of soil. If you leave it on the surface, the sun and wind can degrade the active ingredients. A light watering is usually enough to get the job done.
Can I overseed my Bermuda lawn after using a pre-emergent?
You should avoid overseeding for several months after applying these products. The residual chemicals in the soil can stunt or kill your new grass seed. Check the product label for the specific re-seeding interval. Most require you to wait at least ten to twelve weeks before spreading new seed.














