Natural Weed Killer With Vinegar. For best results use a sprayer with a pump. Combine a gallon of white vinegar with one tablespoon of dish soap and one cup of table salt. The acidity in the vinegar and lemon or orange juice if used combined with the salt basically is burning your weeds until they die. Table Salt or Epsom Salt The salt really helps boost the weed killing power of this homemade weed killer.
Using vinegar to kill weeds just isnt worth it. In organic gardening vinegar can function as a natural weed killer. For best results use a sprayer with a pump. Soil Mender is also a stronger solution than regular white. The acetic acid in vinegar gives it the power to kill weeds. My Perfect Formula for Vinegar Based Weed Killer.
Combine a gallon of white vinegar with one tablespoon of dish soap and one cup of table salt.
You wont need higher more expensive concentrations such as 10 or 20 percent. The dish soap is a surfactant that takes the outer protective layer of film off of the plant so that the vinegar and salt can adhere better. Vinegar needs to be mixed with dish soapsuch as Dawnto help it stick to surfaces and kill plant matter. Dish soap vinegar and a spray bottle are all you need for making weed killer. Mixing liquid dish soap or orange oil with the vinegar can help it stay on the plant so that it actually kills the weed. Vinegar contains acetic acid and can be used in DIY organic weed killer recipes.