Season 46, Show #6

IN THIS WEEK’S EPISODE: In the heat of the summer, fire and rain -- wide-ranging weather events, including a deadly flood in Kentucky. In our Southern Gardening segment, it's no "return to sender" with THIS mailbox garden! In the markets, geopolitics playing havoc with prices. Zac Ashmore has an inside look. And in our feature, the seeds of success. Despite it all, a crop that stands the test of time -- and stands tall in the process.