Salvia corrugata · Shrub
Powdery mildew: Improve air circulation and apply a suitable fungicide if infection is severe.
Root rot: Ensure well-drained soil and avoid overwatering, especially in winter.
Verticillium wilt: Remove and destroy infected plants to prevent spread; do not compost.
Honey fungus: Excavate and remove infected roots and soil; replant only after thorough cleanup.
Slugs and snails: Use physical barriers, copper tape, or approved slug pellets to protect young growth.