Cinnamon on seedlings
Popular for damping off, but untested in the way gardeners use it.
Evidence: No studies matching garden use foundProfessional review not claimed
What the sources say
Garden Myths found no scientific studies using cinnamon the way gardeners do against damping off. University of Minnesota Extension’s prevention advice is clean pots, new potting mix, clean tools and warm water.
Evidence assessment: No studies matching garden use found. This describes the scope of the guidance we checked, not proof that the remedy works for you.
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
- Garden Myths: Does cinnamon stop damping off? — link and wording checked 30 September 2026
- UMN Extension: How to prevent seedling damping off — link and wording checked 30 September 2026
Source-checking is not clinical or veterinary review. Specific historical origin not established from the source reviewed.