Intro Holes almost always mean pests.
1. Slugs and snails
Look for slime trails.
2. Caterpillars
Hide under leaves.
3. Beetles
Small round holes are a clue.
4. Night‑time feeding
Many pests eat after dark.
5. When to use barriers
Copper tape and netting help.
Summary Most leaf holes come from slugs or caterpillars.