I just ran across this video, posted last year. It's the pilot show for a new TV series, Heritage Gardening. It features Dr. William C. Welch, author of the books Heirloom Gardening in the South and Antique Roses for the South, and Chris Wiesinger, The Bulb Hunter, from Southern Bulb Company.
I'm trying to get an update on the show, and will report if I hear any further information.
Heritage Gardening TV Pilot from Casey O'Quinn on Vimeo.