By Rob Alway, Editor-in-Chief LUDINGTON — Several hundred volunteers showed up Saturday morning to help plant 32,000 flowers along the 37th annual Ludington Petunia Parade. The Petunia Parade includes 40 blocks of flowers along portions of Ludington Avenue, from the city’s eastern limits to Lakeshore Drive, and Loomis and Ferry streets. The Ludington Petunia Parade was started in 1987 by…