Jason Cameron, DIY Network’s “Desperate Landscapes” and “Man Caves,” will take the stage April 12-14 to present “Desperate Landscapes . . . Where Do We Grow from Here?” during the 20th Epcot International Flower & Garden Festival. Presentations are at noon and 3 p.m. on The Designers’ Stage presented by HGTV in the Festival Center and are included with Epcot admission.