
You can also spray your plants with an insecticidal soap to kill any tomato worms on them. Bt is an organic pesticide that’s safe for plants and other animals but kills larval insects when it’s ingested. Applying Bacillus thuringiensis, or Bt, to your infested plants will kill tomato worms as well. These insects feed on tomato worms and their eggs. Introducing wasps, ladybugs, or green lacewings to your garden can also help control the tomato worm population. You can also spray your plants with a hose to knock off and drown small tomato worms. Check both sides of the leaves on your plants and along the ground to make sure you’re catching them all. If you have a small garden, handpick the tomato worms off of your plants and drop them into a bucket of soapy water to kill them. Tomato worms can quickly take a toll on your vegetable garden, but fortunately they’re easy to control using a few different strategies. Plant Nursery & Garden Shop Expert Interview. It will kill insects and worms if they come into contact with the fine dust. Food-grade diatomaceous earth is a biosafe mineral that's harvested from the ocean.X Trustworthy Source National Pesticide Information Center Organization run by Oregon State University providing objective, science-based information about pests and pesticides Go to source This insecticide is effective on tomato worms and pests such as spiders mites, mosquitoes, and ants.

Spinosad is a natural substance made by soil bacterium.These organic insecticides are safer for human consumption than other inorganic compounds. Pyrethrins are derived from the Chrysanthemum flower and are used to control fleas, flies, moths, ants and other pests.


Bt also kills cabbage worms, cabbage loopers, cutworms, and other harmful caterpillars.

