Best Weed Killers For Bermuda Grass

While pre-emergent herbicides are excellent for preventing weeds from taking root in your Bermuda grass lawn, what do you do when weeds have already sprouted? That’s where post-emergent herbicides come into play. These products are designed to tackle weeds that have already germinated and are visible in your lawn. In this guide, we’ll explore the most effective post-emergent options for Bermuda grass, including Celsius, Certainty, 2,4-D, Quinclorac, and MSMA, and delve into their application tips, benefits, and limitations.

At a high level, if you combine Celsius and Certainty, you can kill 99.9% of weeds in bermudagrass without harming the grass. Although it may look expensive because of how concentrated it is, we actually did the math and it’s very comparable to other options, but more effective.

The Role of Post-Emergents

What Are Post-Emergents?

Post-emergent herbicides target weeds that have already germinated and are visible above the soil. They are designed to kill or control these weeds, either by affecting their growth or directly causing them to die.

Your Options Explained

Celsius

  • Strengths: Highly effective against a broad range of weeds and has no temperature restrictions. When combined with Certainty, this will kill 99.9% of weeds in bermudagrass.
  • Weaknesses: Slow to show signs of damage to the weeds; may take up to 2-3 weeks to see complete die-off.

Certainty

  • Strengths: Also effective against a wide variety of weeds and has no temperature restrictions. When combined with Celsius, this will kill 99.9% of weeds in bermudagrass.
  • Weaknesses: Similar to Celsius, it takes time to show visible results.

2,4-D

  • Strengths: Great for broadleaf weed control and is relatively inexpensive.
  • Weaknesses: Has temperature restrictions, usually between 85-90°F, which can be limiting during Bermuda’s prime growing season.

Quinclorac

  • Strengths: Excellent for controlling crabgrass.
  • Weaknesses: While effective, Celsius may be a better option for hotter temperatures.

MSMA

  • Strengths: Highly effective against tough weeds.
  • Weaknesses: Not labeled for residential lawns. If your lawn requires MSMA, you might want to consider whether the lawn is worth saving or if it should be restarted from scratch with glyphosate.

Application Tips

  • Temperature: Always check the temperature restrictions on the label, especially for products like 2,4-D.
  • Timing: For slow-acting herbicides like Celsius and Certainty, apply well before you need the lawn to be weed-free, as they can take weeks to show full results.
  • Safety: Always follow the safety guidelines on the label, including wearing protective gear when applying the herbicide.

When to Consider a Restart

If your lawn is so overrun with weeds that it requires a strong herbicide like MSMA, it might be worth considering a complete lawn restart. In such cases, you can use a non-selective herbicide like glyphosate to kill off all vegetation and begin anew with a healthy Bermuda grass lawn.

Conclusion

Post-emergent herbicides are an essential tool for maintaining a beautiful Bermuda grass lawn, especially when weeds have already made an appearance. Whether you choose Celsius, Certainty, 2,4-D, Quinclorac, or even consider the drastic step of using MSMA, understanding the strengths and weaknesses of each option will help you make an informed decision. Armed with this knowledge, you’re well on your way to reclaiming your lawn from the clutches of invasive weeds.


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