
It is possible to adapt some biological ways to control them too. You can opt for natural ways like picking them by hand when you spot them on the farm, tilling your soil to destroy them before they hatch, or interplanting your tomato plants with other crops that repel or trap the tomato hornworms. It would help if you took immediate action when you spot them to curb the problem from spreading to all your tomato plants. This is because its green color helps it camouflage with the color of your tomato plants. In most cases, the effects of the tomato hornworm become evident first before you see it. Have you noticed some holes in your tomato plants’ leaves, fruits, and stems? Have you found some brown droppings on your garden plants? If the answer to these questions is yes, your observations may indicate the presence of tomato hornworms.

Brassicaceae (Brassica or Cabbage Family).
