How to Kill Pampas Grass: Methods to Control and Stop its Growth

Pampas grass is becoming a burden for me specially when I am gardening. This struggle led me to search for various means in how to kill pampas grass without having to spend a lot or render a lot of effort to get it done. Also, I will show you some means and methods in how to control and stop its growth.

Just like any garden enthusiasts out there, it was difficult for me to remove the pampas grass, but the different methods have helped me to succeed in removing the pampas grass. I hope that this article will help you learn more in how to kill pampas grass easily.

How to Kill Pampas Grass - Step by Step Procedure

Method 1: Removing the Pampas Manually

Things You Will Need
  • Leather gloves
  • Garden boots
  • Safety suit
  • ​Shovel
  • Cutting shear or chainsaw
  • Machete, pick axe (optional)

This method is the best option when the invasion is still at the early stage. Some people would suggest burning the plants down is the best when the invasion has started. In my own experience, the downside of burning the pampas is it could harm other plants or the fire could spread quickly.

For manual removing method, here are the step by step instructions and you can also watch this video for additional information.

Before starting off the job, wear the safety, gardening attire and complete the gardening tools needed.

  • Proceed to the area where the pampas grasses have thrived. Cut the upper part of the pampas grasses.
  • Cut the upper part first is necessary so you have space to dig out the roots later on
  • After cutting out the upper part, take all the cut-out stems.
  • Clean the area and it should be clear so you could see the roots.
  • Dig the roots with the use of a shovel. All the root systems should be pulled, and not a single one will be missed.

This process takes a lot of time. It is important you wear a safety suit because Pampas grass has itchy and sharp, pointed blades.

Manual Control Tips

  • The garden shears can help in cutting the tall grasses. After that, you can dig out the roots.
  • When digging out the roots, no parts should remain.
  • Hire someone or ask you’re a neighbor or friends to help you do the digging.
  • Wear gloves and pants because pampas has pointy blades that would cause itchiness on the skin.
  • Harvest and move the plants somewhere else and clear the area so that the other plants are not harmed.

Second 2: The Use of Chemical Control

Things You Will Need
  • Pump spray
  • Mask
  • Goggles
  • Leather gloves
  • Garden boots
  • Herbicide
  • Glyphosate
  • Haloxyfop (optional)

This is useful when Pampas grasses are fully grown. This method is a practical choice when the lawn is already heavily infested. I have applied this method before and I think that it is one of the effective means to remove pampas grass from your lawn or yard.

There are two types of chemicals that can be used in killing pampas grass: Glyphosate and Haloxyfop. A Glyphosate like Round-up is commonly used chemical to kill pampas grass.

Haloxyfop is not advisable because it can cause human health concerns, environmental issues, and more. When using the chemical, make sure that the ratio is good.

Instructions:

The first thing you need to do is to relocate the plants you want to save them from the chemical. Remember, Pampas grass is a huge grass.

When you spray them, it will affect other plants nearby. If you have crops nearby, it is better to harvest first it before setting a schedule for chemical control.

  • After relocating good plants, spray herbicide Roundup to Pampas grass. Make sure you wear the safety suit before starting spraying the grass.
  • Spray coating the entire clump because pampas grass is thick. Wait for three to four days.
  • Cut away the dead leaves or clumps to check the center or base.
  • If there are green leaves, do the spraying the second time around.
  • Repeat the same procedure until all of the leaves are dead. It may take 3 to 4 times of spraying to clear everything.
  • Again, clear all dead leaves to see the base or roots. Start digging and pulling out the root system underground.
  • Don’t miss even one root system.
  • Put all the uprooted parts in garbage bags and dispose of them.

Additional Tips:

  • Do not let the uprooted plants have any further contact with the ground.
  • You can hang the pampas upside down on a nearby tree so the roots will dry out and it will die easily.
  • You can a chainsaw or machete to remove the drooping outer foliage of the plant.
  • Each brand of glyphosate containing herbicide has instructions on its label. Follow these instructions to avoid unintended damage, and to increase the effectiveness of the herbicide.
  • A lawn mower is useful to prevent the annoying plants. So a regular mowing could help prevent the growth of unwanted plants.

Do's and Don'ts When Using Chemicals

DO'S

  • Always check the label and read the contents, including, instructions before buying the chemical.
  • Choose only chemicals approved for use in homes.
  • Choose a pesticide that is best suited to your target site and the pest you want to control.
  • Keep pets and children away from areas where pesticides have been applied.
  • Store the chemicals away from kids.

DON'TS

  • Don't transfer pesticides to other containers.
  • Don't reuse empty pesticide containers
  • Don't apply a pesticide if you don't feel well.
  • Don't smoke or eat while applying pesticides
  • Don't inhale pesticide dusts, sprays or vapors
  • Don't store pesticides with or near food, animal feed, and medical supplies.

Conclusion

Pampas grass can be used as an additional ornamental for weddings and other events. As a matter of fact, it is easy to propagate. Although it can be used for flower arrangement, pampas can be considered as a pest for households.

Since it can increase possibilities of wildfire, it is better to control its growth. If you think you want to save some pampas, you need to learn the proper care of this plant and monitor its growth.

If you decide to kill the pampas, follow the steps that I have mentioned above. There could be more alternatives in killing the pampas grass. If you have some suggestions or have used this method, you can leave a comment below. I would love to hear your experience and your thoughts.

Dan Harris
 

Hi. I'm Dan Harris. My wife and I started gardening 5 years ago. Neither one of us had any gardening background but we loved the idea of growing our own organic food. Over the years, our garden has almost doubled in size and I’ve learned a lot from my season’s successes and failures. I’ve been excited to share my own beginning knowledge and special skills with all garden lovers.

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