How do Hornworms Get on My Tomato Plants?

As a gardener, one of the most frustrating things to discover is a tomato plant infested with hornworms. These pests can quickly eat through your entire harvest, leaving you with nothing to show for your hard work. So, how do hornworms get on your tomato plants in the first place?

What are Hornworms?

Hornworms are the larvae of a type of moth called the hawk or sphinx moth. They are typically green in color with white or black stripes and can grow to be up to four inches long. These pests are known for their voracious appetites and can quickly eat through entire tomato plants if left unchecked.

How do Hornworms Get to Tomato Plants?

Adult hornworms lay their eggs on the leaves of tomato plants. After hatching, the larvae start feeding on the leaves and eventually move on to the fruit. In some cases, they may also drop to the ground and pupate, emerging as adult moths to continue the cycle.

However, hornworms can also be introduced to your garden on transplants or through the soil. Additionally, adult moths can lay eggs on nearby plants, which can then migrate to your tomato plants once the larvae hatch.

Preventing Hornworms on Tomato Plants

The best way to prevent hornworms on your tomato plants is by practicing good garden hygiene. This means regularly removing any infested leaves or plants and disposing of them away from your garden. You can also use organic insecticides, such as neem oil or Bacillus thuringiensis, to control hornworm populations.

Another option is to plant companion plants that repel hornworms. These include marigolds, dill, and parsley. These plants will not only deter hornworms but also attract beneficial insects like ladybugs and lacewings that will eat hornworms and other garden pests.

Conclusion

While hornworms can be a frustrating pest to deal with, there are several ways to prevent and control their populations. By practicing good garden hygiene, using organic insecticides, and planting companion plants, you can ensure a healthy and bountiful tomato harvest.