50 WHITE MOON FLOWER MORNING GLORY Imopea Purpurea Vine Flower Seeds BLOOM TIME: All Summer HARDINESS ZONE: Annual (but reseeds itself easily, so it acts like a perennial in all zones) PLANT HEIGHT: 72 - 96" Vine . . . PLANT SPACING: 15 - 18" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average The Moon Flower has white trumpet shaped flowers that close at night. Morning Glories have heart shaped leaves, and love to trail out of pots, over bushes, or up fences and trellises. Its big showy flowers attract bees, butterflies, and birds including HUMMINGBIRDS.