You know those purple and white flowers that grow in the ditches, fields and all over the Northeast? Those are called wild phlox and they are a favorite of my wife and daughter. Well I dug some up last year (roots and all) and replanted them in our back field. They didn't do well, they died. Do you think they will come back this year? If not, what do you think I need to do to grow these things? I want to surprise the family!