Epsom salts for tomatoes
A garden myth: extension advice says it leads to more blossom end rot.
Evidence: University extension says it can make blossom end rot worseAvoid this useProfessional review not claimed
What the sources say
North Dakota State University Extension says Epsom salt does not stop blossom end rot in tomatoes and leads to more of it.
Evidence assessment: University extension says it can make blossom end rot worse. This describes the scope of the guidance we checked, not proof that the remedy works for you.
Cautions
- Test soil before adding magnesium or other minerals.
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
- NDSU Extension: The Epsom salt myth — link and wording checked 30 September 2026
Source-checking is not clinical or veterinary review. Specific historical origin not established from the source reviewed.