Annual beds, okra seed germination and smilax control headline “Your Southern Garden” with Walter Reeves May 15 at 12:30 p.m. and 6:30 p.m. on Georgia Public Broadcasting.Learn to properly install an annual flower bed, start to finish, from University of Florida horticulturist Tom Wichman. Then, show host Walter Reeves will reveal results of his experiment to germinate okra seeds in bleach. Nursery owner Nancy McDonald will introduce viewers to improved versions of traditional houseplants. No one smiles when smilax, a terribly thorny vine, shows up in the garden. Reeves will take an up close look at the huge root system that makes this garden invader hard to control. “Your Southern Garden,” produced by the University of Georgia College of Agricultural and Environmental Sciences and University of Florida IFAS Extension, is a one-of-a-kind program specifically for the Southeast. The program is made possible by underwriter support from Scotts Miracle-Gro and sponsorship from McCorkle Nurseries.