dBermuda grass is a highly invasive and resilient type of grass that can quickly take over your lawn if left unchecked. While it thrives in warm climates and can serve as a durable ground cover, it poses a challenge for homeowners who prefer a different turf. Proper removal requires a combination of techniques to ensure it doesn’t return, as Bermuda grass can spread through both seeds and underground stolons. This guide will help you understand how to get rid of bermuda grass in lawn.
What Is Bermuda Grass?
Bermuda grass (Cynodon dactylon) is a warm-season grass native to tropical and subtropical regions around the world. Recognized for its dense, low-growing structure and rapid growth, it is often used for lawns, sports fields, and pastures due to its durability and ability to withstand heavy foot traffic.
Bermuda grass thrives in full sunlight and spreads aggressively through both above-ground stolons and underground rhizomes, making it a fast-spreading and resilient plant. However, its invasive nature and tendency to outcompete other grass species can make it a nuisance in areas where it is not wanted. Identifying Bermuda grass is the first step in managing its presence, as it is characterized by its fine texture, deep green color, and tightly interwoven growth pattern.
Why You Might Want to Remove Bermuda Grass
While Bermuda grass is prized for its durability and fast growth in certain applications, there are several reasons why you might want to remove it. Its invasive nature often leads to it encroaching on flower beds, gardens, and other areas where it is not desired, competing with and overpowering less aggressive plants.
Additionally, its rapid growth and extensive root system can be difficult to control, requiring regular maintenance to keep it from spreading beyond its intended boundaries. If left unchecked, Bermuda grass can disrupt the aesthetic or functional purposes of your landscaping, making it less appealing for those seeking a more controlled and diverse plant environment. For gardeners who prefer native or low-maintenance plants, the labor-intensive upkeep and potential for invasion might make Bermuda grass more of a liability than an asset.
10 Methods How to Get Rid of Bermuda Grass in Lawn
1. Manual Removal of Bermuda Grass
Manually removing Bermuda grass can be effective, particularly in smaller areas. Begin by watering the area thoroughly to soften the soil, making it easier to extract the roots. Use a spade or garden fork to dig around the edges of the infested area, loosening the soil carefully.
Pull up the grass by hand, ensuring you remove the entire root system. Any remaining fragments can quickly regenerate, so be meticulous. Discard the pulled grass in a sealed bag rather than composting, as composting can spread seeds. While labor-intensive, this method is ideal for small patches and minimizes the need for chemicals.
2. Solarization: Using the Sun to Kill Bermuda Grass
Solarization harnesses the sun’s heat to eradicate Bermuda grass. During the hottest months, cover the affected area with clear plastic sheeting, securing the edges with rocks or soil. Leave the plastic in place for 6 to 8 weeks.
The trapped heat can reach temperatures high enough to kill the grass, roots, and seeds. While this method is time-consuming, it’s highly effective and chemical-free. Solarization works best in areas that receive full sunlight, and it may also eliminate weed seeds lurking in the soil.
3. Use of Herbicides for Effective Control
Herbicides are often necessary for large infestations. Look for systemic herbicides containing glyphosate or sethoxydim, as these penetrate the plant and kill it from within. Spot-treat Bermuda grass when it is actively growing for the most effective results.
Apply on a calm, dry day to prevent drift to desirable plants. Reapply as directed, as Bermuda grass often requires multiple treatments. Consider using a non-selective herbicide if Bermuda is intermingled with other weeds, but be cautious to avoid damaging nearby plants. Follow safety instructions meticulously, wearing gloves and protective eyewear.
4. Smothering with Mulch or Cardboard
Smothering can deprive Bermuda grass of the light it needs to thrive. Cover the area with cardboard or thick layers of newspaper, then top with 4–6 inches of mulch. The layered barrier cuts off light and prevents regrowth.
Leave the mulch in place for several months. As the grass dies, decompose the organic layers by periodically watering the area. Smothering is especially useful in garden beds or around trees where herbicide use might harm desired plants. It also improves soil quality as the materials break down.
5. Proper Lawn Maintenance to Outcompete Bermuda Grass
Bermuda grass often invades lawns weakened by poor care. Maintaining a thick, healthy lawn is one of the best defenses. Mow your lawn at the correct height—usually about 3 to 4 inches for cool-season grasses—to shade out Bermuda seedlings.
Fertilize regularly with a balanced, slow-release fertilizer to promote vigorous growth. Adequate watering, typically once a week with deep soaking, strengthens your lawn’s roots, making it more resistant to invasive species. Healthy grass naturally outcompetes Bermuda, reducing the risk of reinfestation.
6. Adjusting Soil pH to Deter Bermuda Grass
Bermuda grass thrives in slightly acidic to neutral soils (pH 5.8 to 7.0). Altering the pH can make your lawn less hospitable. If your soil tests as acidic, adding lime can raise the pH. Conversely, using sulfur can lower alkaline soils.
Test your soil with a pH kit before making adjustments. Raising the pH to about 7.2 or higher can stress Bermuda grass while benefiting cool-season turfgrasses. Make adjustments gradually, as drastic changes can harm your lawn.
7. Overseeding with Dominant Grass Species
Overseeding with grasses that establish dense turf can help crowd out Bermuda. Choose varieties like tall fescue or Kentucky bluegrass for cool climates, as these grow thicker and more robust.
Start by mowing the Bermuda grass low, dethatching, and aerating the lawn. Spread the new seed evenly and top with a thin layer of compost. Water regularly to encourage rapid germination. A dense canopy naturally suppresses Bermuda growth by reducing sunlight penetration.
8. Use of Vinegar and Natural Herbicides
For organic gardeners, vinegar can act as a natural herbicide. Mix one part white vinegar with one part water and add a few drops of dish soap to help it adhere to leaves. Spray this solution directly on Bermuda grass during the hottest part of the day.
Vinegar works by acidifying the leaves, leading to dehydration. However, it may not kill the roots entirely, so repeated applications may be necessary. Use caution, as vinegar can damage other plants and alter soil acidity.
9. Sheet Mulching for Permanent Solutions
Sheet mulching is similar to smothering but more permanent. Lay down layers of cardboard, newspaper, and compost over the Bermuda-infested area. Top with wood chips or bark mulch to a depth of about 8 inches.
This method not only suffocates Bermuda but also builds nutrient-rich soil over time. The decomposing layers foster microbial activity, beneficial for future planting. Sheet mulching is practical for converting Bermuda-invaded areas into flower or vegetable beds.
10. Maintain Vigilance and Repeat Treatments
Bermuda grass is persistent, and complete eradication often requires repeated efforts. After your initial removal, regularly inspect your lawn for regrowth. Spot-treat any new shoots promptly.
Adopting a seasonal management plan that includes overseeding, fertilizing, and vigilant mowing will minimize the chances of Bermuda re-establishing itself. Being consistent in monitoring and maintenance ensures that any resurgence is addressed before it becomes problematic.
Things to Consider When Dealing with Bermuda Grass
Environmental Conditions
Bermuda grass thrives in warm climates with ample sunlight. If you live in such an area, extra vigilance may be required to control its growth effectively. Shady areas may naturally inhibit its spread, but sunny spots need consistent attention.
Lawn Alternatives
Consider planting grass varieties or ground covers that are more competitive with Bermuda grass. Species like fescue or zoysia can provide a dense turf that leaves little room for Bermuda to invade.
Herbicide Use
If opting for chemical control, choose the right herbicide for your situation. Some are selective and won’t harm your desired grass, while others are non-selective and may require careful application to avoid damage.
Time and Patience
Bermuda grass removal is a long-term commitment. Success often depends on a combination of techniques applied consistently over several seasons.
Professional Advice
Consulting with a lawn care specialist can provide tailored advice for your specific lawn conditions. They can recommend the most effective strategies and tools to keep Bermuda grass at bay.
Conclusion
Getting rid of Bermuda grass is undeniably challenging due to its aggressive nature and resilience. However, combining manual, chemical, and cultural practices can lead to successful eradication. Start by addressing small patches manually while considering herbicides for larger infestations. Enhance your lawn’s health to naturally outcompete Bermuda, and employ preventive measures like overseeding and soil adjustments.
Persistence is key when dealing with Bermuda grass, as it may take multiple attempts to achieve lasting results. By integrating these ten methods, you can transform your lawn into a Bermuda-free, thriving green space. Thanks for reading, and we hope this has given you some inspiration on how to get rid of bermuda grass in lawn!
