Grasshopper (2026)

Vegetables, ornamentals, young trees

Quick answer: Grasshopper attacks vegetables, ornamentals, young trees. Start with the organic/IPM steps below; use the chemical option only if damage escalates, and always follow the product label. Trap crops; reduce weedy borders; till in fall.

Your Grasshopper IPM card

Select your state to see whether this pest is common there, then print.

Your state

Grasshopper in Arizona: Listed among the most-reported pests in your state — watch for it.

Grasshopper

Targets

Vegetables, ornamentals, young trees

Signs

Chewed leaves and stems; active jumpers in hot dry weather.

Organic / IPM first

Row covers; chickens; neem; beneficial nematodes.

Chemical option (follow label)

Nosema locustae bait (slow) or carbaryl for outbreaks.

Prevention

Trap crops; reduce weedy borders; till in fall.

More pests

Aphids Japanese Beetle Tomato Hornworm Squash Bug Squash Vine Borer Cutworm Cabbage Maggot Whitefly

Treatments follow integrated pest management (IPM): identify first, least-toxic fix second. Product specifics and labels vary by state — confirm with your county extension.