Knowledgebase
What's wrong with my mint #935483
Asked June 14, 2026, 6:14 PM EDT
Hennepin County Minnesota
Expert Response
Tentatively, this looks like Mint Rust, a fungal disease.
https://www.rhs.org.uk/disease/mint-rust
Send me a picture of the underside of the leaves.
Are these plants crowded?
How do you water them?
How long have you seen this and has it come on in relation to storms or watering?
Where did you buy your mint plants?