Does Bt Kill Cutworms?

Like all caterpillars, cutworms are killed by a particular strain of the bacteria Bt (Bacillus thuringiensis). Make a cutworm bait by mixing Bacillus thuringiensis var. kurstaki with moist bran and molasses. Spread the bait over the soil surface in your garden.

What will kill cutworms?

Apply an insecticide late in the afternoon for best control. Some gardeners use Bacillus thuringiensis, a bacterium that affects soft-bodied insects and their larvae. Try this folk advice from The 1963 Old Farmer's Almanac: A mulch of oak leaves is useful against cutworms.

What insecticide kills cutworms?

It is best to apply product in the evening, before the cutworms come out for feeding. Examples of common pesticides effective against cutworms are carbaryl, cyfluthrin and permethrin.