Primula vulgaris 'Husky' · Perennial
Leaf spot (Ramularia/Phyllosticta): Remove and destroy infected leaves immediately; avoid overhead watering to keep foliage dry.
Primula rust (Puccinia primulae): Prune out affected growth and dispose of it in general waste to prevent spread.
Slugs and snails: Use physical barriers like copper tape or apply iron phosphate pellets around the base.
Vine weevil: Apply systemic insecticide granules to potting compost or use nematodes in warm soil.
Root rot: Ensure well-drained soil and avoid overwatering, especially during winter months.