Holes in Tomato Leaves: 6 Causes, ID Guide & Organic Fixes (2026)

What Are The Small Holes in tomato leaves - solutions

Holes in tomato leaves are caused by caterpillars, flea beetles, slugs, or bacterial/fungal disease. The shape of the hole tells you who made it — ragged edges = caterpillars or slugs; small round punched holes = flea beetles; brown edges with yellowing = disease. This guide identifies each by hole type and gives you the correct organic treatment for each.