Two long-time gardening staples – heirloom tomatoes and mint – are the main fare on HomeGrown this week. Barbara Lawton, author of the book, “Mints: A Family of Herbs and Ornamentals,” offers details on the history, folklore and uses of the huge family of ornamental and edible plants. Then Bob and Jeneen visit Theineman’s Herbs and Perennials in Louisville to talk with Peggy Theineman and Gary Millwood about how they pick their heirloom tomatoes offered each year for their “Tomato Daze” extravaganza. Downloadable MP3Find out more: