Vinegar as a weedkiller
Horticultural vinegar is far stronger than household vinegar and needs care.
Evidence: University extension: strong vinegar is hazardousImportant limitationProfessional review not claimed
What the sources say
Oregon State University Extension notes horticultural vinegar is about 20% acetic acid, four times stronger than household vinegar, and needs protection for skin and eyes.
Evidence assessment: University extension: strong vinegar is hazardous. This describes the scope of the guidance we checked, not proof that the remedy works for you.
Cautions
- Strong vinegar can burn skin and eyes; wear protection and follow the label.
- Vinegar also damages any wanted plant it touches.
No method is given for this entry. The guidance we checked discourages this use or shows it does not do what tradition claims.
Ingredients & category
Sources
- OSU Extension: Does vinegar help with controlling weeds? — link and wording checked 30 September 2026
Source-checking is not clinical or veterinary review. Specific historical origin not established from the source reviewed.