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 ...

Diatomaceous earth is a white powder made from crushed ancient diatom fossils. Its sharp edges damage insect bodies, making ...

Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at [email protected]. I've appreciated and benefited from your gardening advice on many occasions ...

Q: Tiny black insects are making lace out of the leaves of my Yellow Bells. I spray with Sevin twice a day but it has had no effect. A: The tiny black insects are actually the frass (aka poop) from ...

With the arrival of warm weather also comes the arrival of summer's menaces: bugs. While some people might detest insects just for being so buggy, for gardeners, each year might feel like another new ...

I have a ton of little black caterpillars devouring my echinacea. I am afraid they will kill the flower, but I feel bad about trying to kill them all. What should I do? — D.H. Thank you for this ...