Garden Care

How To Kill Crabgrass In Bermuda: The Ultimate Guide

Although crabgrass can be an excellent source of forage in a monoculture environment, it poses a serious issue when you have crabgrass infestations.

Imagine admiring your lovely Bermuda grass lawn to discover that crabgrass has infiltrated every crevice. Any homeowner would become frustrated by it.

But don’t worry! I’ll show you how to take back control and kill crabgrass in Bermuda for good.

Understanding Crabgrass

kill crabgrass in bermuda


If left unmanaged, crabgrass, an invasive species, may swiftly take over your Bermuda grass lawn.

An annual grass plant called crabgrass appears on grounds from early spring through late summer months.

It has an unusual look, with long, finger-like blades that spread outward from a central point in a star pattern.

Crabgrass is strong, has numerous legs, and is shaped low to the ground temperature, just like an ocean crab.

The blades have a rough feel and are a light green tint. Crabgrass spreads swiftly and produces thousands of seeds, which makes it very challenging to control.

As a result, if you notice crabgrass on your Bermuda green lawn, you must take immediate action.


Owners of Bermuda grass find crabgrass to be an annoyance due to a number of its traits. Early in the summer, while it’s hot outside, crabgrass sprouts.

Due to its resistance to drought, it can withstand the summer’s dry conditions.

During hot and dry single seasons, crabgrass typically takes over as the dominant plant in a lawn because it is more robust than Bermuda grass.

Crabgrass can also generate a lot of seeds, some of which can survive in the soil for many years.

The crabgrass will grow more quickly than your lawn grass after you mow it. Because of these traits, preventing crabgrass in Bermuda grass lawns is essential.

Major Species

There are many different varieties of crabgrass. However, smooth and giant crabgrass are the two prevalent species most frequently found on Bermuda grass lawns.

Around the sheath of the leaves of smooth crabgrass, there are no hairs. It grows near the ground and has flat, pointy leaves and a hairy stem.

Conversely, large crabgrass has broader leaves and a more upright growth pattern.

If left unchecked, either variety of crabgrass can soon take over a lawn. Recognizing the type of desirable grass you’re working with is crucial.

How It Spreads

Several methods, including seed generation, are used to propagate crabgrass. Each plant can produce thousands of seeds.

These seeds can disperse through the air temperature or water or by sticking to people, animals, or landscaping tools.

Following seed germination, plants spread via vegetative growth. It releases stolons or runners that can take crabgrass roots and grow into new plants.

Crabgrass can also apply by overseeding, which happens when contaminated grass is used to seed a lawn. If not controlled, sprouted crabgrass can grow more quickly.

What Will Kill Crabgrass In Bermuda?

how to kill crabgrass in bermuda

Common and troublesome grassy weeds like crabgrass can easily take over a lawn.

Using Quinclorac, Ortho WeedClear, and Tenacity, post-emergent herbicides are efficient methods to eradicate crabgrass without hurting Bermuda grass.

Using A Post-Emergent Herbicide With Quinclorac

A post-emergent herbicide containing Quinclorac is one efficient and simple technique to eradicate crabgrass without endangering your Bermuda grass.

Weed-killing capabilities of crabgrass weed killers, including mesotrione and quinclorac, have been established.

A selective herbicide called quinclorac kills crabgrass but leaves Bermuda grass alone. It prevents crabgrass from growing and causing it to disappear within a few weeks.

Using a combination herbicide with Quinclorac as its main active ingredient is crucial when the crabgrass is actively developing, usually in the late spring or early summer.

Selecting a selective product is essential when choosing an effective herbicide for crabgrass in Bermuda.

Because too much herbicide application can harm your Bermuda grass, carefully read and follow the directions.

Using Ortho WeedClear 

How to get rid of crabgrass in Bermuda? Ortho Weed Clear is another powerful tool for eliminating crabgrass without hurting Bermuda grass.

Crabgrass is one of the roughly 250 entire weeds it eliminates. You will see results quickly because the annual weed is killed at the root.

On grass that isn’t mowed frequently, the product works better. Additionally, spray with a hose-end sprayer when the crop of weeds is actively developing for the best effects.

It’s critical to pick the appropriate dead weed product. Make sure you strictly adhere to the application instructions while using Ortho WeedClear.

Using Tenacity

Another powerful herbicide for weed control and eliminating hairy crabgrass without hurting Bermuda grass is Tenacity.

Tenacity is a safe herbicide for use on lawns and will eliminate numerous grassy and broadleaf weeds.

A selective pesticide called Tenacity kills bad weeds but doesn’t hurt Bermuda grass. The combination of this herbicide and a nonionic surfactant maximizes its effectiveness.

It is used specifically for a few warm and cold season grasses. Tenacity is a great option because it also kills every bit of crabgrass plants in the tillering stage, which are younger in warm weather.

Using Spectracide Weed Stop 

To precisely eradicate the breakouts of crabgrass, you should look at the Spectracide Weed Stop.

With noticeable results in just five hours, this solution has demonstrated its efficacy in removing the germination of crabgrass.

The crabgrass preventer’s powerful chemicals eliminate more than 250 varieties of weeds. The invasive weed starts to wilt and change color within a few hours of the mixture being applied.

Due to Spectracide’s high resistance, you should apply the concentrate to your grass twice before noticing any changes.

It is the method for forms of weed control for lawns that gardening experts advise.

Using Pre-Emergent Herbicides

Another efficient method to stop crabgrass from sprouting in your Bermuda is to use pre-emergent herbicides.

These herbicides function by halting the germination of the crabgrass seeds. Consequently, it’s crucial to use them before the crabgrass sprouts.

Pre-emergent herbicides must be applied at the right time, usually in the early spring, before the soil temperature reaches 55 to 60 degrees Fahrenheit.

Prodiamine and Pendimethalin are two common pre-emergent herbicides for preventing crabgrass.


Regular mowing of your Bermuda grass lawn can also aid in preventing the growth of crabgrass.

Maintaining the health of your Bermuda grass is essential to avoiding crabgrass growth since it prefers regions with uneven grass.

Maintaining a sharp mower blade is important when mowing your lawn. Additionally, you ought to put it at the Bermuda grass-appropriate height.

Cutting your Bermuda grass too short will damage it and leave thin spots where crabgrass can grow.

To avoid stressing your Bermuda grass, removing only a third of the blade height at a time when mowing is crucial.


best way to kill crabgrass in bermuda lawn

Does Vinegar Really Kill Crabgrass?

Although vinegar is a widely used natural crabgrass killer in Bermuda, it is ineffective in removing crabgrass.

Because of its extensive and deeper root system, crabgrass may withstand vinegar treatments. For efficient control, a targeted, non-selective herbicide is required.

Why Is My Lawn Full Of Crabgrass?

Your lawn may have a lot of crabgrass for several reasons, such as incorrect irrigation, mowing, and soil compaction. In grassy dead spots, crabgrass grows well and can rapidly take over.

Will Dead Crabgrass Grow Back?

Although dead crabgrass won’t re-grow, it can scatter many seeds that could sprout into new plants. Getting rid of dead crabgrass and taking precautions against new weed growth is crucial.


Bermuda grass lawns need preventative measures and targeted herbicides to eradicate crabgrass. Keeping a healthy property may eliminate crabgrass without hurting your Bermuda grass.

Learn how to kill crabgrass in Bermuda grass to say goodbye to annoying crabgrass and hello to a lovely lawn.

Samuel Mark

Hello I am Samuel. Samuel's Garden is a garden blog where I share my experiences in garden caring and tree growth. Hope you enjoy it!

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