Lamium album · Perennial
Powdery mildew: Improve air circulation around plants and apply a sulphur-based fungicide if infection is severe.
Slugs and snails: Use iron phosphate pellets, beer traps, or hand-pick at night to reduce populations.
Root rot: Ensure soil is well-drained and avoid overwatering; remove affected plants to prevent spread.
Aphids: Spray off with a strong jet of water or introduce natural predators like ladybirds.
Leaf spot: Remove affected leaves and avoid wetting foliage when watering to reduce humidity.