What you will see
Pale, twisted spring shoots; dusty orange, later yellow and black pustules on leaves and stems.
The source says: it is a common disease of garden mint.
When to look
Spring – autumnHow to protect
- Prevention
- Remove affected plants before black winter spores form.
- By hand earlyDig up and destroy affected plants and rhizomes; replant healthy, unaffected stems elsewhere.
- By hand early autumnSoak washed rhizomes for 10 minutes in water at 44 °C (no hotter), cool and plant — a nurserymen's method.




























