Indian Cup Plant (Silphium perfoliatum) Seeds Organic 20 oz Packet Perennial

A coarse perennial, 3-6 ft. tall with numerous large, yellow composite flowers. Each flower head has 20-30 yellow rays and darker yellow disks. Stout leaves are joined at stem to form a small cup that holds water and attracts birds. Perfect for pollinator gardens and wildflower plots. Bees, butterflies, and hummingbirds, and once they die of to seed become crunchy snacks for birds. 20 ounce packet packaged carefully from my organic garden.