Iris setosa · Perennial
Slugs and snails: Use physical barriers like copper tape or crushed eggshells, and hand-pick at night.
Iris leaf spot: Remove affected leaves and clear all debris in autumn to reduce overwintering spores.
Bacterial soft rot: Discard infected plants immediately and ensure soil is well-drained to prevent recurrence.
Iris rust: Pick off lightly infected leaves and improve air circulation around plants.