Mid-American Gardener: Planting garlic, scale on burr oaks, switchgrass, perennials

Mid-American Gardener guest host Shane Cultra is joined by Steven Still, Kelly Allsup and Rusty Maulding to answer viewer questions. They talk about perennial plants, including a switchgrass that is the 2014 Perennial Plant of the Year, planting garlic, how to kill ghost flowers andoverwintering knock-out roses. Allsup shows off some grasshoppers she uses in educational programs.