Do Cutworms Kill Grass

Although they are primarily a problem in early and late summer, cutworms can cause harm to lawns throughout the growing season. Once they are established in spring, several generations can hatch in one season and damage the lawn before they die out in the fall.

How do I kill cutworms in my lawn?

If you see cutworm damage in your lawn, apply a control product in the evening when they are most active. You can control cutworms by applying Ortho® Bugclear™ Lawn Insect Killer. Another option is to spray affected areas with Ortho® Bugclear™ Insect Killer For Lawns & Landscapes Ready-To-Spray.

What does cut worm damage look like?

Cutworm Damage in the Garden Some are black, brown, grey or tan while others can be pink or green. Some have spots, other stripes, and even soil hues. In general, the cutworms won’t get more than 2 inches (5 cm.) long and if you pick them up, they curl into a C shape.