How to Fight HORNWORMS
May 29, 2020
4 minutes
By Pam Dawling
ONE JULY DAY, in two 80-foot rows of tomatoes in our hoophouse at Twin Oaks Community, I found 42 hornworms varying in length from 1 to 4 inches — a collective total of 85 inches of pests! They were stripping the tomato leaves and munching on the green fruit.
Hornworms are large caterpillars capable of doing serious damage to tomato crops. The most common hornworm species in the garden is the tomato hornworm (), but both the tomato hornworm and its cousin the tobacco hornworm () are bad news, and both attack tomato plants. Before Twin Oaks was established here in Virginia (Zone 7a) in 1967, the land had been a tobacco farm, so we have a lot
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