Euphorbia · Perennial
Powdery mildew: Improve air circulation and apply a suitable fungicide if severe.
Slugs and snails: Use physical barriers, copper tape, or slug pellets to protect new growth.
Root rot: Ensure well-drained soil and avoid overwatering, especially in containers.
Vine weevil: Use nematode treatments or biological controls for potted specimens.
Sap irritation: Wear gloves and long sleeves when pruning or handling plants.