In all the years that I lived here, I have never had issues with woodchucks.
My neighbor next door had practically all of her garden decimated and it appears in my yard daily. My neighbor said to use Juicy Fruit chewing gum and that supposedly will kill them. I put out near their hole several pieces which have disappeared, however, they were in my yard again this morning. In the meantime, if anyone has any other means of ridding them I'd certainly appreciate any advice. I think ultimately I will have to resort to an exterminator to trap them.