Does Vinegar Kill Thistles?

Spray one to two sprays of vinegar directly on the cut of each thistle plant. The cut allows the vinegar to spread to the roots more quickly, which in turn kills the plant more quickly. Saturating the unwanted plants once a week with this mixture helps control the problem.

What works best for killing thistles?

Among myriad available weed sprays, glyphosate proves to be effective on thistle. Apply to individual cut stems an inch or two above the soil line, taking careful aim of the weed sprayer to avoid contact with desirable plants. Reapplication in several weeks may be needed for well-established thistle.

Does vinegar kill weeds permanently?

Yes, vinegar does kill weeds permanently! ... Using vinegar to kill weeds is a natural and effective way to get rid of weeds from your lawn or garden without so much manual labor or the use of weed pulling tools.