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Tomato hornworms, Manduca quinquemaculata, are large green caterpillars that devour tomato plants along with other nightshades including peppers, potatoes, and eggplant. They can also be a little ...

Ah, summer in Iowa! For the home gardener it is the best of times and the worst of times - sorry Charles Dickens. My coneflowers, dill and tropical milkweed are all in bloom and beginning to attract a ...

Vegetable gardeners everywhere look forward to harvesting tomatoes each summer. But one pest that can ruin the fruits of your labor (literally) is the tomato hornworm. The caterpillars feast on the ...

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 ...

The leaves of my tomato plant are being eaten by something. Some of the stems are completely bare of leaves. Is there anything I can do to protect my plants? I suspect you have a tomato hornworm or ...

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 ...

The hornworm is a common name for a sphinx moth’s caterpillar (larvae). One species of hornworm is called the “tomato hornworm” because it loves to munch on the leaves of tomato plants. Another ...

In last week’s article, I focused on weeds as unwanted garden guests. This week, we’ll focus on insect pests, and next week, diseases. As you know, many insect pests may affect garden plants. Since I ...