FREE Butterfly and Bee Pollinators Flower Seed Packets Posted On April 20, 2020 Note: The offer is still available if you missed this.Get FREE Butterfly and Bee Pollinators Flower Seed Packets! Fill out the form. Available Seeds: Black-Eyed Susans & Butterfly Milkweed. Free seed packs are only available within the U.S. We will only ship one kit per household.