Mint rust

What you see

Orange pustules under mint leaves; shoots distort and pale; patch loses vigour.

Conditions

Overwinters in the rhizomes of crowded old clumps.

Treatment

Cut the patch to the ground and bin the cuttings; clean regrowth usually follows.

Prevention

Renew mint from clean runners every few years; avoid overhead watering.

Months: not recorded

Plants

Mint

Remedies

Not recorded — the field is blank rather than guessed.

The thing people get wrong

Not recorded — the field is blank rather than guessed.