Hot New Daylily‘Mean Mister Mustard,’ a new daylily, features a 6-inch mustard yellow flower with a wine-red eye and picotee edge. It also offers an amazing bud count and 70-plus days of color. Hardy to Zone 4, ‘Mean Mister Mustard’ has its own point-of-purchase system, a coordinating color pot and proprietary die-cut labels the shape of a mustard jar. The name – ‘Mean Mister Mustard’ – is the name of a popular Beatles song from the Abbey Road album about a grouchy, colorful man.