Inspiration > Lawn & Garden

How to Use Vinegar to Kill Weeds

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Vinegar to kill weeds

We all battle weeds. They pop up in our mulch beds, driveways, and lawns. Sometimes it feels like we can never get rid of them! You can spray harsh chemicals, but did you know you can use vinegar to kill weeds?

Here’s a simple recipe to make homemade weed killer:

  • 1 gallon of distilled vinegar
  • 1 cup of salt
  • 1 tablespoon of liquid dish soap

Vinegar Weed Killer - Steps *Mix all of these ingredients in an all-purpose spray bottle.

Here’s how this recipe for weed killer works:

  • The vinegar contains acetic acid, which will draw moisture out of the plants to kill the weed all the way to the root.
  • The salt works with the vinegar to completely absorb the moisture from the weed. I call this the double-whammy effect!
  • Liquid dish soap acts as a surfactant to make the mixture stick to the weed. Without the soap, the spray could run off the weeds, and your efforts would be wasted.

Here are a few things to watch out for:

  • This weed killer recipe is non-selective, which means it will kill or damage any plant it touches. Only use it in areas that do not contain beneficial plants (like driveways, sidewalks, and large open mulch or gravel areas).
  • Since this is an all-natural weed killer, it may take a couple applications to fully eradicate the weeds.
  • If there is rain in the 24-hour forecast, you should wait to apply this weed killer. Even with the dish soap, this spray will need a full 24 hours to adhere and work its magic.
  • This homemade weed killer works best when it is hot and sunny. Plan accordingly!

There you have it. A simple weed killer recipe that is inexpensive and powerful. You can even pick up everything you need at your local hardware store! Vinegar is pretty amazing stuff.  Check out this blog post for more great ways to use vinegar around the house!

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Mark Walker
More about Mark Walker

Mark Walker is a lifelong Hoosier who staked his claim in Irvington with his wife and dog in 2008. When he’s not sleeping or working he’s brewing beer, telling a bad joke, or playing music in his band She Does Is Magic. He has an enthusiasm for all things local and green living. Mark is also owner of Punch Bug Marketing, a social media marketing company.

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9 responses to “How to Use Vinegar to Kill Weeds”

  1. Rick Edinger says:

    I have some beautiful miscantus grass that can grow 7 to 10 feet tall. My problem in a native grass that grows along road ways, and threw fences. No one around here knows what it’s called. But it spreads fast. Can get up to 4 feet tall.chokes out everything. I dig and dig and pull the roots up.and they keep coming back. Anyone please. I need help. Any suggestions? Sand to not kill off miscantus grass.

    • G. W. Ward says:

      We had same problem. Took sample to County Ag agent who identified Quack grass. Will grow 5′ tall on extremely long tuberous roots that multiply rapidly when broken. Impossible to pull to control. Only natural remedy is complete cover with heavy black plastic to block light, air & water over long period. That helped for our garden & walk areas. A nonseletive herbicide will also help eradicate but ground cannot be planted for 2 years. Good luck.

  2. Jerry says:

    does this method kill grass?

  3. Shannon says:

    Would this be sake to use in yard before laying sod and topsoil? I have a new home that needs a yard but it is filled with weeds

  4. Jon says:

    How long will said recipe last in a container? Will it stay fresh for a reasonable amount of time?

  5. osbelia says:

    i found the recipe i need thanks vinegar salt dish soap detergent it work fine i dont like r roundup no goog for our enviroment they shoul pulled out of the shelfs

  6. Denise Jones says:

    Does this mixture kill poison sumac? My husband and I are very allergic. Thank you.

  7. dennie p. lepon says:

    we live near the river and almost daily it rains. spraying such, will it not be dangerous to wildlife considering that run-off flows directly to the river?

  8. jenny says:

    Actually i was seeing that it is useful to get the gta v online money here and it can always be generating free money for you.

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