How to Kill Torpedo Grass: Effective Methods and Strategies

How to Kill Torpedo Grass?

To kill torpedo grass, you can use a selective herbicide called quinclorac 75 DF in Zoysia and Bermuda lawns.

Spray the herbicide directly on the torpedo grass while continuing to fertilize and promote the growth of the desired lawn grass.

It is important to have good soil moisture before using the herbicide.

Water the soil before applying the herbicide to ensure the grass is actively growing and the herbicide is effective.

Additionally, using an adjuvant, specifically methylated seed oil, is recommended for better control.

In some cases, if the torpedo grass becomes too thick, removing the affected area and resodding may be necessary.

However, it should be noted that there is no selective herbicide available to control torpedo grass in Floratam and Palmetto St Augustine grasses.

Key Points:

  • Use selective herbicide quinclorac 75 DF in Zoysia and Bermuda lawns
  • Directly spray herbicide on torpedo grass
  • Maintain soil moisture before using herbicide
  • Water soil before applying herbicide for effective results
  • Consider using adjuvant methylated seed oil for better control
  • If the grass becomes too thick, remove affected area and resodding may be necessary


Did You Know?

1. Torpedo grass, also known as Panicum repens, is named after its sharp, pointed seed heads that resemble small torpedoes.

2. The longest recorded rhizome (underground stem) of torpedo grass reached an astonishing length of 130 feet (40 meters).

3. While torpedo grass is commonly considered a weed due to its invasiveness, it plays a crucial role in preventing soil erosion along riverbanks and shorelines.

4. Torpedo grass has been used in traditional medicine for its diuretic and anti-inflammatory properties. It has been used to treat ailments such as urinary tract infections and rheumatic conditions.

5. In addition to its ornamental value, torpedo grass has also been used to make woven baskets, mats, and even ropes due to its strong, fibrous stems.

The Serious Threat Of Torpedo Grass In Florida

Torpedo Grass (Panicum repens), known for its relentless and invasive nature, has gained a notorious reputation as one of the most serious weeds in Florida, according to the University of Florida. This grass poses a significant threat to lawns, gardens, and landscapes throughout the state, as it quickly establishes itself and spreads through its long and tenacious rhizomes.

The University of Florida warns that Torpedo Grass’s aggressive rhizomes have the ability to extend under streets, driveways, and even houses, making it a formidable opponent for property owners. Additionally, this invasive grass has the tendency to regrow from small clippings that become entangled in lawn equipment or spread by birds, further facilitating its unchecked expansion.

Related Post:  Can Roses Grow in Pots? Discover the Secrets

Spread And Regrowth: Torpedo Grass’s Sneaky Tactics

Torpedo Grass has a clever strategy for survival and proliferation: it thrives in wet areas and capitalizes on the rainy seasons to spread its influence far and wide. This opportunistic grass takes advantage of the increased moisture to establish new shoots and expand its underground network of rhizomes, creating a dense and resilient presence in affected areas.

Furthermore, the University of Florida reveals that even the smallest clippings of Torpedo Grass can regenerate if left unattended. These clippings, inadvertently caught in lawn equipment or dispersed by birds, can sprout anew, perpetuating the cycle of invasion and making eradication an arduous task.

  • Torpedo Grass thrives in wet areas during rainy seasons.
  • It spreads its influence by establishing new shoots and expanding its underground rhizome network.
  • Even small clippings of Torpedo Grass can regenerate if left unattended.
  • These clippings can be inadvertently caught in lawn equipment or dispersed by birds.

Thriving In Wet Areas: Torpedo Grass And The Rainy Season

The affinity of Torpedo Grass for wet areas amplifies its voracious growth and ability to spread during the rainy season, presenting an even more significant challenge for property owners. Whether it is a marshy lawn or areas with poor drainage, Torpedo Grass seems to thrive effortlessly in these conditions, outcompeting other grass species and transforming once pristine lawns into a nightmare of invasive weeds.

To combat Torpedo Grass’s propensity for growth during the rainy season, it is essential to implement effective control measures and strategies proactively. These measures include:

  • Adopting maintenance practices that discourage excessive moisture build-up
  • Ensuring adequate water drainage in the lawn
  • Monitoring for early signs of invasion

“Torpedo Grass’s affinity for wet areas amplifies its voracious growth during the rainy season, making it a significant challenge for property owners.”

Building A Thick Lawn To Keep Torpedo Grass At Bay

One strategy to mitigate the infestation of Torpedo Grass is to develop and maintain a thick and healthy lawn. The University of Florida strongly advocates for a lush and vigorous lawn as a natural deterrent against the invasion of this invasive grass. A well-established and properly maintained lawn can act as a formidable barrier, making it difficult for Torpedo Grass to take root and establish itself.

Maintaining optimum lawn conditions involves regular mowing, proper fertilization, and irrigation practices tailored to the specific grass type. By adhering to these best practices, property owners can effectively prevent or minimize the infestation of Torpedo Grass, creating an environment inhospitable to its growth.

Related Post:  How to Get Leaves Out of Mulch: Proven Techniques and Tips

Controlling Torpedo Grass: The Selective Herbicide Quinclorac 75 Df

In situations where preventative measures and cultural practices are unsuccessful in managing the spread of Torpedo Grass, the utilization of a selective herbicide becomes a viable solution. The University of Florida suggests using quinclorac 75 DF as an effective herbicide for controlling Torpedo Grass in Zoysia and Bermuda lawns.

To achieve optimal results when targeting Torpedo Grass with quinclorac 75 DF, it is important to adhere to specific instructions. It is recommended to refrain from mowing the lawn for a minimum of two days prior to application. Moreover, ensuring adequate soil moisture before applying the herbicide is crucial as it enhances its effectiveness.

Tips And Tricks To Eliminate Torpedo Grass: Herbicide Application And Beyond

While the application of herbicides, such as quinclorac 75 DF, provides a targeted approach to eliminating Torpedo Grass, there are additional tips and tricks for achieving successful eradication. The University of Florida suggests watering the soil before applying the herbicide to ensure the grass is actively growing and, consequently, more susceptible to the effects of the herbicide.

For improved control, the use of an adjuvant, particularly methylated seed oil, is recommended. This additive helps enhance the herbicide’s performance and maximize its impact on Torpedo Grass.

It is important to note that there is no selective herbicide available to effectively control Torpedo Grass in Floratam and Palmetto St Augustine grasses. However, iron can be used to darken the appearance of Torpedo Grass, making it more similar in color to St Augustine and Centipede grasses.

In instances where Torpedo Grass becomes too dense or widespread to control through other means, the removal of the affected area and resodding presents a viable option. Though it requires effort and investment, resodding offers a more assured method of elimination.

While this article primarily focuses on eliminating Torpedo Grass, it is worth mentioning that other invasive grass species, such as signalgrass and wild Bermuda, may pose similar challenges. For those grappling with these resilient weeds, the strategies outlined in this article can also be applied.

Note: The University of Florida’s comprehensive research and recommendations serve as valuable resources for property owners seeking effective methods and strategies to eradicate Torpedo Grass. By implementing the suggested control measures, including selective herbicide application, lawn maintenance practices, and possibly resodding, one can successfully combat this formidable invasive grass, reclaiming their lawns and gardens from its relentless grip.

  • Water the soil before applying herbicide
  • Use methylated seed oil as an adjuvant for better control
  • No selective herbicide for Torpedo Grass in Floratam and Palmetto St Augustine grasses
  • Iron can darken Torpedo Grass to match St Augustine and Centipede grasses
  • Removal and resodding as a last resort
  • Similar strategies can be applied to signalgrass and wild Bermuda grasses
Related Post:  How to Get Rid of Dallisgrass: Effective Solutions

Frequently Asked Questions

Is there any way to kill torpedo grass?

When tackling the persistent problem of torpedo grass, it may sometimes require multiple applications to fully eradicate it. However, an alternative approach worth considering is replacing the troublesome grass with zoysia or bermudagrass. This switch enables the usage of quinclorac, an herbicide known for its efficacy in managing torpedo grass. By opting for this method, you can increase your chances of successfully eliminating the invasive species and fostering a healthier lawn.

Will round up kill torpedo grass?

Although Roundup (Glyphosate) can suppress the growth of Torpedograss, it will not completely destroy it and is not a permanent solution. If the infested area is small, it may be more effective to use Roundup or a non-selective herbicide to kill off the entire spot and then re-sod the area. This approach offers a better chance of eliminating the Torpedograss problem in that specific location. However, it is important to note that this method is not a long-term solution, and additional measures may be necessary to prevent future regrowth.

What Graminicide is used for torpedo grass?

Graminicides are herbicides specifically designed to target and control the growth of grassy weeds such as torpedograss. One commonly used graminicide for torpedo grass is fluazifop-P-butyl, known as Fusilade II. Another effective option is sethoxydim, also referred to as Segment II. These graminicides can be applied as over-the-top applications to most broadleaf ornamental plants, providing a targeted solution to suppress the growth of torpedograss without harming desirable vegetation.

Can vinegar kill torpedo grass?

Yes, vinegar can effectively kill torpedo grass. Vinegar, with its high acidity, acts as a natural herbicide. When applied directly to the weeds, it can break down their cellular structure, leading to their demise. The use of vinegar as a weed killer is an eco-friendly and non-toxic alternative, ensuring the safety of the surrounding environment and plants. However, it is important to note that vinegar may also affect nearby desired plants. Therefore, it should be applied with caution and targeted specifically at the torpedo grass.

References: 1, 2, 3, 4