How to get rid of mint plants

Written by samantha volz
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Mint can be a tasty addition to most food and drink that you can make in your home. However, when this plant starts to dominate your garden or lawn, you may be in trouble. Mint is one of the most stubborn plants to remove once it has started to thrive. Mint will easily resist the efforts of many herbicides, and its root systems are long, making it hard to dig up. Determination and a few handy tricks can help you to eliminate pesky mint plants from your garden.

Skill level:
Moderately Challenging

Things you need

  • Gardening gloves
  • Shovel
  • Salt
  • Dish detergent
  • Vinegar
  • Spray bottle
  • Roundup herbicide

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  1. 1

    Dig up the mint plant and all of its roots. This is most easily done after a rainfall, when the ground is soft. Remove every part of the plant, as a single root or leaf will produce more mint.

  2. 2

    Mix two cups of salt and a tablespoon of dish detergent into one gallon of household vinegar. Pour the mixture into a spray bottle.

  3. 3

    Saturate the mint plants and soil in which they grow with the salt-detergent-vinegar mixture. Allow two to three days to see the effect; repeat as necessary to kill all mint.

  4. 4

    Spray or rub undiluted Roundup onto the mint plants and the soil in which they grow. Do not dilute, as diluted Roundup will not be powerful enough to destroy the mint.

  5. 5

    Remove dead mint from your property as soon as possible to prevent any living stems or roots from thriving again.

Tips and warnings

  • Mint is one of the most stubborn plants to kill. All of these treatments will require multiple applications over a period of time. Repeat as often as necessary.
  • Mint will not grow as well in a shady area. Cut off as much sunlight as you can from the mint patch to stunt growth.
  • The warnings on the label of Roundup weed killer suggests diluting the chemical with water. Take extra care when working with undiluted chemical cleaner, as it is extremely poisonous to plants, animals and humans.

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