Hypericum forrestii · Shrub
Honey fungus: Improve drainage and avoid replanting in infected soil; remove affected plants carefully.
Rust: Remove affected foliage to improve air circulation and apply a fungicide if severe.
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate-based pellets.
Powdery mildew: Ensure good air circulation and water at the base to keep foliage dry.
Root rot: Plant in well-drained soil and avoid overwatering, especially in winter.