Vinegar is non-selective, meaning it will damage any plants and turf grass it touches, not just the weeds you are trying to kill. When you spray the vinegar onto weeds, make sure it isn't hitting other plants.
What happens when you spray vinegar on plants?
Vinegar concentrates make effective organic weed killers with almost immediate results. ... This causes the weed to dry out down to the root. Unfortunately, if the spray touches a valued garden plant, it will kill that plant as well through desiccation.
Does white vinegar damage plants?
Household vinegar contains 5 percent acetic acid. If poured over a plant, it causes withered, brown leaves and apparent plant death. In most cases, though, the roots are still alive and the plant will put out new growth in a few days.