A shamrock design is seen in "The Knot Garden" as preparations are underway for the opening of the Philadelphia Flower Show in Philadelphia, Thursday, March 1, 2007. "The Legends of Ireland" is the theme for the Pennsylvania Horticultural Society's annual show, running March 4-11, 2007, at the Pennsylvania Convention Center.
Workers from Valley Forge Flowers prepare "The Living Wall", an archway lined with plants and flowers in intricate Celtic patterns that serves as an entry to the Philadelphia Flower Show in Philadelphia, Thursday March 1, 2007. "The Legends of Ireland" is the theme for the Pennsylvania Horticultural Society's annual show, running March 4-11, 2007 at the Pennsylvania Convention Center.