NORTH FORSYTH — The Forsyth County home of Barbara and Herbert Metz is among the eight stops on a metro Atlanta garden tour that is part of the 2015 American Hemerocallis Society National Convention. Hundreds of avid gardeners are expected to attend the convention, which opens today and runs all weekend, at the Renaissance Atlanta Waverly Hotel and Convention Center. Organized by the Cobb County Daylily Society and the Daylily Society of Greater Atlanta, it offers numerous educational workshops and lectures about all things gardening and daylilies.