Luzula sylvatica · Perennial
Slugs and snails: Use beer traps, copper tape barriers, or hand-pick at night to reduce populations.
Vine weevil: Apply nematodes in autumn or use biological controls like Steinernema carpocapsae.
Root rot: Improve drainage by amending soil with grit or planting in raised beds if necessary.
Powdery mildew: Ensure good air circulation and spray with a fungicide or milk solution if severe.