Sunflowers in a natural garden design provide an environmentally sound choise. A natural garden not only reduces water use but also attracts a host of hummingbirds and butterflies. When you select sunflowers with staggering blooming periods, you can enjoy wave after wave of flashy, colorful displays. After the last of the annual sunflowers fade, perennial sunflowers begin to bloom into late fall and even winter in some climates. The Sunflower Seed Postcard contains a seed packet, detailed planting instruction and an information packet.