HomeGrown examines gardening by the inch and by the wooded acre this week. Intense gardening expert Mel Bartholomew talks about the book and procedures that made him famous in a conversation about square foot gardening. University of Kentucky wildflower expert Tom Barnes broadens the subject a little as he talks about his new book, “Rare Wildflowers of Kentucky” and where you can find and identify them. Downloadable MP3Find out more: