Keeping a Bermuda lawn lush and green is a dream for many homeowners. However, weeds can quickly turn that dream into a nightmare. Although Bermuda grass is a hardy, warm-season grass that thrives in sunny climates, it is not immune to invaders like crabgrass, clover, or nutsedge. That’s why choosing the best weed killer for Bermuda lawns is critical because not every herbicide is safe for this type of grass.
Settling on the wrong product can do more harm than good, leaving you with bare patches or a stressed, thinning lawn.
In this guide, we’ll break down the best weed killer for Bermuda grass lawn, explore different types of weed killers, their strengths and downsides, and share expert tips on application timing so your yard stays healthy all season long.
Whether you prefer synthetic herbicides or natural alternatives, this article will help you make the right choice for your specific lawn problem.
Why You Need Special Weed Killers for Your Bermuda Lawn
Bermuda grass is different from cool-season grasses like fescue or bluegrass. The grass grows quickly, tolerates heat, and recovers fast from stress.
However, it can also be sensitive to certain herbicides. Using a product not labeled as safe for Bermuda grass can lead to yellowing, stunted growth, or even kill off patches of your lawn.
This is why going for a selective weed killer is so important. These products are designed to target weeds like dandelions, crabgrass, and clover without harming your Bermuda grass.
Understanding what makes your grass unique will help you choose the right weed control solution and apply it at the right time of year for maximum effectiveness.
Common Weeds in Bermuda Lawns and How to Identify Them
Before you apply the best weed killer for Bermuda grass lawn, it’s important to know exactly what weeds you’re dealing with.
Each weed type may require a different product or timing for the most effective control.
Here are some of the most common weeds that invade Bermuda lawns and how to recognize them.
Crabgrass
Crabgrass is a summer annual weed that thrives in thin or bare patches of your Bermuda lawn. It has wide, flat blades that spread out in a low, circular pattern. This weed can take over quickly if not treated early with a pre-emergent herbicide.
Clover
Clover is a low-growing weed with small, three-leaf clusters. While some homeowners like the look of clover, it can compete with Bermuda grass for nutrients.
Clover spreads easily, especially in nitrogen-deficient soil, so using a weed-and-feed product can both kill it and boost your lawn’s health.
Dandelion
Dandelions are easily identifiable thanks to their bright yellow flowers and fluffy white seed heads. They have a deep taproot, which makes them hard to remove by hand.
Post-emergent weed killers are best suited to kill dandelions down to the root without disturbing your Bermuda grass.
Spurge
Spurge is a fast-spreading summer annual with reddish stems and small green leaves. It grows flat against the soil and produces a milky sap when broken. It thrives in compacted soil, so aerating your lawn can help prevent future outbreaks.
Nutsedge (Nutgrass)
Nutsedge looks similar to grass but grows faster and has a triangular stem. It’s notorious for being one of the toughest weeds to control.
A selective post-emergent herbicide like Tenacity (number 5 below) or Sedgehammer is the best way to stop nutsedge without harming Bermuda grass.
Here is a screenshot of what some of the top satisfied customers say about Sedgehammer Herbicide:
7 Best Weed Killers for Bermuda Grass
Before buying a product, it’s important to know which type of weed killer fits your lawn care goals.
Weed killers generally fall into three categories: pre-emergent, which prevent weed seeds from germinating, post-emergent, which kill existing weeds, and natural solutions, which use eco-friendly ingredients to suppress weeds.
Below are some of the best options for Bermuda lawns.
1. Scotts Turf Builder Weed & Feed
This popular product is a favorite for homeowners who want to feed their Bermuda grass while controlling broadleaf weeds. Scotts Turf Builder Weed & Feed contains a special formula that thickens your lawn, helping to naturally crowd out future weed growth.
It works as a post-emergent weed killer, targeting weeds like dandelions and clover while nourishing your Bermuda grass with essential nutrients.
Application is simple: spread evenly with a broadcast spreader on a wet lawn to ensure the granules stick to weed leaves.
Within a few weeks, you’ll see your weeds shrivel and your grass look greener and healthier.
Because it doubles as a fertilizer, it saves time and reduces the need for additional feeding products.
Pros
- ✅ Kills over 50 types of broadleaf weeds
- ✅ Feeds and strengthens Bermuda grass at the same time
- ✅ Easy to apply with a spreader
Cons
- ❌ Not a pre-emergent — won’t prevent future weeds
- ❌ Can harm new Bermuda grass if applied too soon after seeding
2. Spectracide Weed Stop For Lawns
Spectracide Weed Stop is a fast-acting, post-emergent herbicide that starts working in hours. It’s designed to kill over 200 common lawn weeds, including tough ones like chickweed, spurge, and clover.
The formula is selective, meaning it won’t harm Bermuda grass when used as directed.
It comes in a ready-to-spray bottle that attaches to a garden hose, making it convenient for large yards.
Because it works quickly, you’ll see visible results in just a few hours — much faster than many granular products.
Its liquid form makes it easy to target patches of weeds without over-treating the whole lawn.
Pros
- ✅ Fast visible results within hours
- ✅ Safe for established Bermuda lawns
- ✅ Easy hose-end sprayer application
Cons
- ❌ May require multiple applications for stubborn weeds
- ❌ Can wash off in heavy rain if not dried
3. Ortho Weed B Gon Weed Killer for Lawns
Ortho Weed B Gon Plus is one of the most trusted liquid herbicides for Bermuda lawns. It kills weeds to the root without harming the grass when used properly.
This product is effective on over 200 broadleaf weeds, including stubborn invaders like dandelions, clover, and chickweed.
It features a convenient trigger spray or hose-end option, making spot treatment easy and precise.
You can apply it any time the weeds are actively growing, and it becomes rainproof in just one hour.
Results are usually visible within a day, making it a great solution for homeowners who want fast action.
Pros
- ✅ Kills weeds to the root for long-lasting control
- ✅ Becomes rainproof in one hour
- ✅ Won’t harm Bermuda grass when applied as directed
Cons
- ❌ Needs careful application to avoid overspray
- ❌ May take multiple treatments for very mature weeds
4. BioAdvanced Southern Weed Killer for Lawns
BioAdvanced Southern Weed Killer is specially formulated for warm-season grasses like Bermuda, St. Augustine, and Zoysia.
It controls over 200 types of weeds, including dollarweed, oxalis, and spurge, without harming your lawn.
This product comes in a concentrate form or a ready-to-spray option, giving flexibility for large and small lawns.
It is rainproof in just one hour and continues working for weeks after application.
Because it is formulated for southern lawns, it handles the heat better than some competitors.
Pros
- ✅ Specifically designed for warm-season lawns
- ✅ Rainproof quickly and long-lasting results
- ✅ Available in concentrate or ready-to-spray options
Cons
- ❌ Can be pricier than some other options
- ❌ May require mixing if you choose the concentrate version
5. Tenacity Herbicide
Tenacity is a professional-grade herbicide often used by landscapers for tough weed control.
It is unique because it acts as both a pre-emergent and post-emergent, giving you all-in-one protection.
It is very effective on invasive grassy weeds like crabgrass, goosegrass, and nimblewill that other herbicides struggle to control.
Tenacity is applied as a liquid solution using a sprayer, so you can target specific areas accurately.
Because it’s powerful, it must be applied carefully and usually with a surfactant for the best results.
Pros
- ✅ Works as both pre- and post-emergent weed control
- ✅ Excellent for controlling grassy weeds
- ✅ Professional-level results for serious lawn problems
Cons
- ❌ Requires careful measuring and mixing
- ❌ Slightly more expensive than consumer-grade products
6. Roundup for Lawns (Selective Version)
Unlike the original Roundup, which kills everything it touches, Roundup for Lawns is a selective herbicide safe for Bermuda grass.
It is designed to target and kill over 90 types of weeds, including tough-to-kill weeds like crabgrass and dandelions.
The product is available in a ready-to-use spray or concentrate for larger areas.
It becomes rainproof in about three hours, reducing the risk of wash-off.
You will notice visible results within 2–3 days after application.
Pros
- ✅ Selective formula safe for Bermuda grass
- ✅ Kills a wide range of tough weeds
- ✅ Easy-to-use ready-to-spray option
Cons
- ❌ Not the same as regular Roundup — must buy the correct version
- ❌ Can take a few days to see results
7. Espoma Organic Weed Preventer
For homeowners who prefer a natural approach, Espoma Organic Weed Preventer is a great option.
Made from corn gluten meal, it is safe for kids, pets, and the environment.
It works as a pre-emergent, preventing weed seeds from germinating while feeding your Bermuda grass.
This product is especially good for those who want to avoid synthetic chemicals.
Regular applications every season will help you build a strong, weed-free lawn naturally.
Pros
- ✅ 100% natural and safe for pets and kids
- ✅ Feeds Bermuda grass while preventing weeds
- ✅ Eco-friendly and sustainable choice
Cons
- ❌ Does not kill existing weeds — only prevents new ones
- ❌ Requires consistent seasonal applications for best results
How to Apply Weed Killers Safely on Bermuda Lawns
Even the best weed killer for Bermuda lawns can damage your grass if applied incorrectly.
Timing, weather conditions, and application technique all play a big role in achieving a weed-free, healthy lawn.
Here’s how to get the best results while keeping your Bermuda grass safe.
First, time your application carefully. Pre-emergent herbicides should be applied in early spring and again in late summer to prevent weeds from sprouting.
Post-emergent herbicides work best when weeds are actively growing — usually during warm, sunny days when temperatures are between 60–85°F.
Next, follow the manufacturer’s instructions exactly. Over-applying weed killer can stress your Bermuda grass and may even cause chemical burns.
Under-applying might not kill the weeds effectively, meaning you’ll have to repeat the process sooner than expected.
Always water your lawn as directed. Some weed killers need to be watered in (especially pre-emergents), while others work better when left to dry on the weeds.
Avoid mowing for at least 2–3 days after application to allow the herbicide to work its way into the plant system.
Lastly, use proper protective gear — gloves, closed shoes, and long sleeves — and keep pets and children off the treated lawn until it’s dry and safe.
Expert Tips to Keep Your Bermuda Lawn Weed-Free
Killing weeds is just the first step — the key to a beautiful Bermuda lawn is preventing weeds from coming back. These expert-approved tips will help you maintain thick, healthy turf that naturally resists weed invasion.
Mow at the Right Height
Bermuda grass thrives when kept short — ideally between 1–1.5 inches. Mowing too high allows weeds to compete for sunlight, while mowing too low can scalp the lawn and stress the grass.
Stick to a regular mowing schedule, especially during peak growing season, to keep your Bermuda grass dense enough to crowd out weeds naturally.
Fertilize Consistently
A healthy lawn is the best defense against weeds. Bermuda grass loves nitrogen, so use a balanced lawn fertilizer every 6–8 weeks during the growing season. Proper fertilization thickens the turf, leaving little room for weeds to sprout.
Aerate and Overseed When Needed
Compacted soil makes it easier for weeds like spurge and crabgrass to invade. Core aerate your Bermuda lawn at least once a year, preferably in late spring or early summer, to improve soil health.
Overseeding can also help fill in bare spots and keep your lawn lush and uniform.
Water Deeply But Infrequently
Bermuda grass prefers deep, infrequent watering. Shallow watering promotes shallow roots and creates the perfect environment for weeds to grow.
Water your lawn deeply (about 1 inch) once or twice per week to encourage strong root growth.
Apply Pre-Emergent Herbicides Twice a Year
Even the best-maintained lawn can get hit with weeds if you skip pre-emergent treatments. Apply a pre-emergent in early spring (before soil temps hit 55°F) and again in late summer or early fall to prevent both summer and winter weeds from sprouting.
Frequently Asked Questions (FAQs)
Q: How do I kill weeds without killing Bermuda grass?
A: The safest way to kill weeds without harming Bermuda grass is to use a selective weed killer designed for warm-season lawns. These products specifically target broadleaf weeds like dandelions, clover, and spurge while leaving Bermuda grass unharmed. Always follow label directions carefully and avoid over-applying, as too much product can stress or discolor your lawn.
Q: What weed killer does not kill Bermuda grass?
A: Products labeled “safe for Bermuda grass” are your best choice. Options like Ortho Weed B Gon, BioAdvanced Southern Weed Killer, and Spectracide Weed Stop are formulated to work on weeds without damaging Bermuda lawns. For grassy weeds like crabgrass, a pre-emergent such as Prodiamine is ideal.
Q: What is the best natural weed killer for Bermuda grass?
A: If you prefer an organic solution, Espoma Organic Weed Preventer is one of the best natural choices. It uses corn gluten meal to prevent weed seeds from germinating and is safe for pets, kids, and the environment. Keep in mind that natural weed killers work as preventatives — you’ll need to manually remove any existing weeds before applying.
Q: What is the best fertilizer and weed control for Bermuda grass?
A: A great option is a weed-and-feed product like Scotts Turf Builder Weed & Feed. It kills common broadleaf weeds while providing essential nutrients to keep Bermuda grass green and thick. Apply during the active growing season when the lawn is moist for best results.
Conclusion
Maintaining a weed-free Bermuda lawn doesn’t have to be complicated — it just takes the right products and a little consistency.
Choosing the best weed killer for Bermuda lawns ensures you target unwanted weeds without harming your grass.
Whether you go with a powerful post-emergent, a pre-emergent for prevention, or a natural solution like Espoma, timing and proper application make all the difference.
Combine weed control with good lawn care practices like mowing, fertilizing, and aerating, and your Bermuda grass will stay thick, green, and healthy all season long.
Start treating your lawn today and enjoy a lush, weed-free Bermuda lawn you can be proud of!