Cabbage Maggot (2026)
Cabbage, broccoli, radish, onion
Quick answer: Cabbage Maggot attacks cabbage, broccoli, radish, onion. Start with the organic/IPM steps below; use the chemical option only if damage escalates, and always follow the product label. Delay planting; use floating row cover barrier.
Your Cabbage Maggot IPM card
Select your state to see whether this pest is common there, then print.
Cabbage Maggot in Alaska: Listed among the most-reported pests in your state — watch for it.
Cabbage Maggot
Targets
Cabbage, broccoli, radish, onion
Signs
Wilting seedlings; tunnels in roots.
Organic / IPM first
Row covers; beneficial nematodes; crop rotation.
Chemical option (follow label)
Cyromazine or spinosad soil drench at seedling stage.
Prevention
Delay planting; use floating row cover barrier.
Cabbage Maggot by host plant
Host-specific signs and control — see the full pest × host reference.
More pests
Treatments follow integrated pest management (IPM): identify first, least-toxic fix second. Product specifics and labels vary by state — confirm with your county extension.