Tomato hornworms are a highly destructive pest of tomato plants, but they have predators you can encourage in your garden. Find out what destroys this hungry caterpillar.

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DEAR JOAN: My husband and I have lived in Martinez a year. We have a couple of tomato plants in pots and this past Friday morning, I had a surprise when I was watering — a large, green caterpillar ...

As tomatoes grow tall and the yellow flowers slowly turn into small round tomatoes, another unexpected creature may appear: the tomato hornworm. You'll have to look closely as this chartreuse ...

One of the most loathsome garden pests, the tomato hornworm, is just as nasty as he looks. Despite its name, the “hornworm” isn’t a worm at all. This garden pest is actually a caterpillar, the larvae ...

On the plant in the first picture, the gigantic hornworm blended in with the color but dwarfed the size of the roots. It ...

A reader of our column from Ashland dropped me an email about these huge green worms in her garden a number of years ago and wondered what she could do about them. She pulled five off her plants and ...

Editor’s note: Throughout the growing season, Mike Hogan, OSU Extension Educator for Agriculture and Natural Resources in Franklin County will answer gardening and home landscape questions submitted ...

DEAR JOAN: Can you please identify these green and white caterpillars that have invaded my tomato garden this year? They are light green with like a lime green strip running along their backs, white ...

I saw your recent column about tomato fruitworms, and was wondering if this pest also eats leaves. The leaves of one of my tomato plants are being eaten by something. A couple of the branches now have ...