Package of 100 Seeds, Showy Milkweed (Asclepias speciosa) Open Pollinated Seeds by Seed Needs USA Quality Showy Milkweed flower seeds packaged by Seed Needs. Intended for the current and the following growing season. Showy Milkweed will produce beautiful clusters of pale pink flowers. The plants themselves grow to a mature height of about 24 to 40 inches tall. Showy Milkweed is categorized as a perennial flowering plant. Grown from seed, Milkweed plants will establish a deep root system, allowing them to return the following growing season. Each seed packet measures 3.25" x 4.50" in dimension. The front displays a colorful illustration of the flower and the back displays detailed sowing instructions to grow them. All Milkweed seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.