Golden autumn farm -120 PINK (Common) MILKWEED Asclepias Syriaca Flower Seeds Golden autumn farm Seeds! FBA - Fast Arrived! Identify our packing! Ensure the germination rate! Flowering time: Summer, Hardiness zone: 3 - 9 Plant height: 36 - 48. Plant spacing: 18 - 24 Light requirements: shading. Soil / water: average dry Easy-to-grow,Garanteed germination rate of 85%