Cypripedium dietrich · Perennial
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate pellets around the base.
Grey mould (Botrytis): Improve air circulation and remove affected plant parts to reduce humidity around the foliage.
Root rot: Ensure soil is moist but well-drained and avoid overwatering, especially in winter.
Vine weevil: Apply biological nematodes to the soil in late summer or autumn to control larvae.
Powdery mildew: Spray with a fungicide or milk solution and ensure good air circulation around plants.