Cutworm (2026)
Seedlings of many crops
Quick answer: Cutworm attacks seedlings of many crops. Start with the organic/IPM steps below; use the chemical option only if damage escalates, and always follow the product label. Till in fall; avoid fresh manure; start transplants sturdy.
Your Cutworm IPM card
Select your state to see whether this pest is common there, then print.
Cutworm in Colorado: Listed among the most-reported pests in your state — watch for it.
Cutworm
Targets
Seedlings of many crops
Signs
Young transplants cut at soil line overnight.
Organic / IPM first
Cardboard collar around stem; diatomaceous earth ring; hand-pick at dusk.
Chemical option (follow label)
Bt or spinosad soil drench at planting.
Prevention
Till in fall; avoid fresh manure; start transplants sturdy.
Cutworm 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.