Anthriscus sylvestris · Perennial
Slugs and snails: Use beer traps, copper tape barriers, or iron phosphate-based pellets.
Powdery mildew: Improve air circulation, avoid overhead watering, and apply a fungicide if severe.
Aphids: Spray with a strong jet of water or use insecticidal soap/neem oil.
Root rot: Ensure well-draining soil and avoid overwatering; remove affected plants.