- You Will Get 60 Seeds Of Milkweed, Showy Pink Flower, For Butterflies Flower Seeds. - Perennial. - Pink and white blooms. - 3 to 5 feet tall. - Full sun. - Hardy zones 3 to 8. - Easy to grow and are a perennial. Blooms first year from seed. Flowers are fragrant. - Produces large seed pods. - Blooms a pretty pink and white color and attracts monarch butterflies, bees and other butterflies as well. - Seeds are large and have a high germination rate. - Plant in late fall for best germination, as seeds need a period of moisture and cold.