European Corn Borer on Sweet Corn: Signs & Control

European Corn Borer is a common pest of sweet corn. Here's how to spot the damage and stop it organically-first.

Signs to look for on Sweet Corn

Holes in stalks; frass; broken tassels; chewed ear tips.

How to control it (organic-first)

BT at silking; break and remove infested stalks; destroy stalks in fall.

More on European Corn Borer: Holes in ears or stems; frass at entry. Prevention: Early planting; resistant varieties; destroy stalks in fall.

European Corn Borer on other plants

ZoneFig pest guidance reflects common extension-service recommendations. Always confirm the pest before treating and follow any product label. Verify locally.

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