Midnight Blue PopcornThis Exciting Blue Popcorn Receives High Marks For Both Taste and Visual Appeal! The unique bluish purple kernels pop into mounds of snow white popcorn that will satisfy any popcorn lover with its slightly sweet flavor. These heirloom popcorn seeds for sale are known as "Shaman's Blue popcorn seeds" and are a variety of blue corn. Blue corn originated in the Andes Mountains of Peru, where the native peoples usually ground it into flour for cooking.