Cistus candidus · Shrub
Root rot: Ensure planting in sharply draining soil and avoid overwatering.
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate pellets.
Vine weevil: Apply nematodes to the soil in autumn or use biological controls.
Powdery mildew: Improve air circulation and spray with a sulphur-based fungicide if severe.
Winter damage: Plant in a sheltered, south-facing position away from frost pockets.