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How to Get Rid of Pampas Grass

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How to Get Rid of Pampas Grass

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Overview

Landscapers and home owners often use pampas grass (Cortaderia selloana) as an ornamental focal point or privacy barrier. The grass reaches heights up to 10 feet tall. Getting rid of an established cluster of pampas grass is quite a challenge. According to Absolute Astronomy, one pampas grass plant produces up to 1 million seeds during its life cycle.

Step 1

Place a plastic tarp around the base of the cluster. The tarp protects the ground from dropped seeds while you are getting rid of the pampas grass.

Step 2

Put on protective clothing to prevent accidental injury from the sharp edges of the grass blades.

Step 3

Cut the pampas grass to the height of 2 to 3 feet using a pair of long-handled pruning shears. Make quick cutting strokes and allow the pampas grass to fall to the ground onto the tarp.

Step 4

Pick up the plastic tarp from the ground and dispose of the clippings by placing in plastic trash bags and depositing into a trash container. Clippings contain numerous seeds and should not be used in a home garden compost.

Step 5

Prepare a solution of 2 tablespoons of glysophate herbicide per 1 fluid ounce of mixing compound, such as water. Glysophate is a systemic used to kill the foliage and the root system of pampas grass.

Step 6

Spray the solution at the base of the pampas grass cluster. Spray additional solution on the remaining foliage.

Step 7

Wait approximately one week. Prepare another solution of glysophate herbicide. Prune the remaining pampas grass cluster to ground level. Spray the entire cluster with another application of the glysophate herbicide.

Tips and Warnings

  • Wear protective clothing since pampas grass blades have sharp edges.

Things You'll Need

  • Ground tarp
  • Protective clothing
  • Long-handle pruning shears
  • Plastic bags
  • Trash container
  • Glysophate herbicide

References

  • Absolute Astronomy: Pampas Grass
  • "Ecology of Weeds and Invasive Plants;" Steven Radosevich, et al; 2007
Keywords: pampas grass, unwanted pampas grass, kill pampas grass

About this Author

Lisha Smith writes for several blogs and has freelanced for six years. She has a Bachelor of Arts from UNC-Greensboro in psychology. Smith has self-published several books. Her areas of experience include gardening, cooking, home improvement, pets and mental health.