Seeds from Aristolochia recurvilabra or Aristolochia Debilis, this exotic vine is hardy in zones 8a-10b and blossoms best in light shade. It will stay evergreen all year in the above zones. A real attraction for many unusual types of butterflies and you will see them come from miles around for this plant. The very unusual green/maroon fragrant dutchmans pipe shaped blossom are an attention getter. The plants will grown up to 20 feet if let climb on a structure.