“Dry soil is important as water can dilute the vinegar’s potency while sunlight speeds the absorption process.”
Fill a spray bottle with vinegar
The acetic acid in vinegar is a desiccant, meaning it draws moisture out of plant foliage.
Most household varieties contain five percent acidity, which can kill seedlings, young weeds, and some mature weeds.
The gardening pros said: “If household vinegar doesn’t do the trick, horticultural vinegar with a 15 percent to 20 percent acetic level should be more effective.”
The experts explained that the vinegar will inure the weeds, reduce their water uptake and inhibit germination and growth.