Garden Q&A: What causes holes in lupin leaves, and what's the remedy?

Whether you're a gardening beginner or expert, Irish Examiner columnist Peter Dowdall has the answer to your questions

A well-fed, healthy lupin in full sun will always stand a better chance of fighting off pests naturally, writes Peter Dowdall. File picture

Question

My lupin leaves are full of holes, and the plant doesn’t look great. What’s causing this, and how can I fix it?