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Get rid of bermuda grass in st augustine

Get rid of bermuda grass in st augustine


Maintaining a lush and healthy lawn in St. Augustine can be a challenging task, especially when invasive Bermuda grass starts to take over. Bermuda grass can quickly spread and compete with your desired St. Augustine grass, leading to an uneven and unsightly lawn. If you’re struggling with how to effectively get rid of Bermuda grass in your St. Augustine lawn, this comprehensive guide is here to help. We’ll provide you with insights, tips, and resources to successfully tackle this issue and restore the beauty of your lawn.

Understanding the Challenge of Bermuda Grass

Bermuda grass (Cynodon dactylon) is a warm-season grass that’s known for its aggressive growth and resilience. While it’s a popular choice for sports fields and golf courses, its rapid spreading and invasive nature can make it a headache for homeowners who want to maintain a consistent and attractive St. Augustine lawn.

Steps to Eliminate Bermuda Grass from St. Augustine Lawn

1. Identify the Bermuda Grass

Before taking any action, correctly identify the Bermuda grass patches in your St. Augustine lawn. Bermuda grass has finer blades and a different growth pattern compared to St. Augustine grass.

2. Manual Removal

Carefully dig out Bermuda grass patches using a shovel or garden fork. Make sure to remove all the roots to prevent regrowth. This method is effective for small areas but can be labor-intensive for larger sections.

3. Herbicide Application

Select a selective herbicide that targets Bermuda grass while sparing St. Augustine grass. Follow the manufacturer’s instructions for application, ensuring that you apply the herbicide only to the Bermuda grass patches.

Useful Resources Links

  1. University of Florida IFAS Extension – Controlling Bermuda Grass in Lawns
  2. Texas A&M AgriLife Extension – Removing Bermuda Grass

4. Replanting with St. Augustine Grass

Once you’ve successfully removed Bermuda grass, consider overseeding or resodding with St. Augustine grass to fill in the gaps and promote uniform growth.

5. Proper Lawn Care

Maintain a regular lawn care routine to keep Bermuda grass from returning. Mow your St. Augustine grass to the recommended height and provide it with the necessary nutrients to outcompete any potential regrowth of Bermuda grass.

Dealing with Challenges

1. Resistant Bermuda Grass

In some cases, Bermuda grass may develop resistance to herbicides. If this occurs, consult with a lawn care professional for alternative solutions.

2. Preventing Future Infestations

To prevent Bermuda grass from taking over again, establish clear borders between your St. Augustine and Bermuda grass sections. Regularly inspect your lawn for any signs of Bermuda grass regrowth.


Can Bermuda grass and St. Augustine grass coexist?

While it’s possible for Bermuda grass and St. Augustine grass to coexist in the same lawn, they will compete for resources and may result in an uneven appearance.

Can I use a non-selective herbicide to eliminate Bermuda grass?

Using a non-selective herbicide may kill both Bermuda grass and St. Augustine grass. It’s best to opt for a selective herbicide designed specifically for Bermuda grass control.

How long does it take to completely eliminate Bermuda grass?

The timeline for eliminating Bermuda grass varies based on the size of the infested area and the effectiveness of the chosen methods. It may take several months to achieve complete eradication.

Can I prevent Bermuda grass by changing my lawn care routine?

While maintaining proper lawn care practices can help prevent Bermuda grass from taking over, it’s essential to take proactive steps to remove existing Bermuda grass patches.

Is professional assistance recommended for Bermuda grass removal?

If the Bermuda grass infestation is extensive or resistant to treatment, seeking professional help from a lawn care specialist may be the best course of action.

Can I use organic methods to get rid of Bermuda grass?

Organic methods like solarization (covering the area with clear plastic to trap heat) can help weaken Bermuda grass, but they may take longer and are most effective in areas with strong sunlight.


Getting rid of Bermuda grass in your St. Augustine lawn requires dedication, patience, and a strategic approach. By following the steps outlined in this guide and utilizing helpful resources, you can successfully eliminate Bermuda grass and restore the vibrancy of your lawn. Remember that consistent lawn care practices are key to preventing future infestations and maintaining a beautiful and thriving lawn.

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