Q:I finally found those huge and nasty horned tomato worms in my garden that I've heard about all these years. This is my fifth year with a veggie garden in Oakland and I'm stumped as to why I have ...

Question: What can you tell us about those big, ugly green single-horned tomato worms? Where do they come from? How can we prevent them? Answer: Tomato and tobacco hornworms are two huge caterpillars ...

Question: What can you tell us about those big, ugly green single-horned tomato worms? Where do they come from? How can we prevent them? Answer: Tomato and tobacco hornworms are two huge caterpillars ...