Up for sale is one pack of 50 Orange Butterfly Weed Flower seeds - Asclepias tuberosa. When you are shopping make sure you are buying Asclepias tuberosa and not Milkweed seeds - Asclepias sullivantii. Milkweed Seeds are different, and sometimes sold as Butterfly Weed, but only grow in very select parts of the United States. We offer flat rate combined shipping on all orders, no limit on the amount or type of seed packets.CULTURESoil temperature: 72 - 75 degrees fahrenheitSeed Depth: 1/16Germination lighting: Light requiredGermination days: 20