Homemade Citric Acid and White Vinegar Weed Killer


Vinegar is a common household product that can be used as an environmentally friendly weed killer. Vinegar contains acetic acid, which lowers the pH of the soil to prevent weeds from growing. Saturating the soil as well as the plant itself with a basic vinegar and citric acid solution will destroy current and potential weed growth. This organic recipe should be used in sunny, dry weather and can be reapplied as necessary.

Step 1

Combine 5 oz. of lemon juice with 1 qt. of white vinegar in an empty plastic spray bottle.

Step 2

Mix solution well.

Step 3

Spray citric acid and white vinegar solution directly onto weeds to kill the plant.

Step 4

Saturate the soil with the solution to prevent future weed growth.

Tips and Warnings

  • Spot-treat weeds with the citric acid and vinegar solution. because it will also kill grass and other plants.

Things You'll Need

  • Plastic spray bottle
  • concentrated lemon juice
  • white vinegar


  • The Vinegar Institute; "Uses and Tips"
Keywords: white vinegar, citric acid, organic weed killer

About this Author

Although born and raised in Southern California, Kristin Kosearas has traveled far and wide. Kosearas caught the travel bug after graduating from UC Irvine with a degree in political science, and those experiences are embedded in her writing, found in several school publications and for eHow via Demand Media. She also has work experience in education and the beauty industry.