Campanula · Perennial
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate-based pellets around the base.
Powdery mildew: Improve air circulation and spray with a fungicide or bicarbonate solution at first sign.
Rust: Remove affected foliage immediately and avoid wetting leaves when watering.
Leaf spot: Clear fallen debris to reduce spores and ensure good airflow around plants.
Root rot: Ensure soil is free-draining and avoid planting in areas prone to winter wet.