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Name: Kristin E.
Status: other
Age: 60s
Location: N/A
Country: N/A
Date: 8/26/2004

I have learned that I can kill weeds with vinegar. Does the vinegar act as a systemic or does it make the soil so inhospitable to plants that nothing will grow? Vinegar can reduce the pH of soil sufficiently that many plants will not thrive.

Vince Calder

Apparently the acidic content in the vinegar burns the plants. Although will acidify the surrounding soil somewhat, vinegar is a weak acid, so the soil is expected to return to its normal pH after a few days or so. The following should be helpful:

Anthony Brach Ph.D.

Dear Kristin,

You are correct, the vinegar will make the soil inhospitable to plants. The low pH of the vinegar will disturb the ability of the plant roots to draw up water and the mineral nutrients needed to survive.

--Jim Tokuhisa

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