Primula chionantha · Perennial
Vine weevil: Apply nematodes in warm soil or use biological controls like Steinernema feltiae.
Slugs and snails: Use iron phosphate pellets, beer traps, or hand-pick at night to reduce populations.
Aphids: Squash by hand, spray with water, or use insecticidal soap for heavy infestations.
Caterpillars: Hand-pick caterpillars or apply biological controls like Bacillus thuringiensis.
Powdery mildew: Improve air circulation, avoid overhead watering, and apply a fungicide if severe.