Rosemary bush is dying.. help!

Rosemary bush is dying.. help!

Hi. I'm so glad there is a gardening community here on LJ. I want to share with you that my huge, wonderful 4 year old rosemary bush is dying. It's the first thing I ever planted so of course I'm kinda blue about it. I have never had trouble with it before. It's always been lush, and has grown huge in recent years. I live in georgia which I believe is zone 7a? I wonder if it could be all of the rain we've had this year, or maybe bugs. I wonder if anyone has had any experience with this? Any advice at all is welcomed and appreciated.
Growth

Growth

flower identification please

flower identification please

Growth!

Growth!

caterpillar ID?

caterpillar ID?

Whoops: Potato Problems

Whoops: Potato Problems

shameful confession

shameful confession