Watch a Clip from Visionary Gardeners, Episode #103: "Food without Limits"

Bob Duncan grows hundreds of varieties of oranges, lemons, and other exotic Mediterranean tree fruits. His methods are developed through extensive testing and a simple yet effective technique of overcoming the winter frost.

Watch him in a clip from this Monday’s episode of Visionary Gardeners. The episode airs on Monday, March 28 (9pm ET) on VisionTV.