You Will Get 5 Seeds Cardiospermum Halicacabum Balloon Vine. It is a beautiful perennial vine that gets unique white flowers that develop into seed pods that look like balloons and great green foliage.. Although these exotic vines look tropical, they can tolerate sub freezing temperatures and return in spring from the roots.. These beautiful plants are hardy to USDA zone 8 at least, and possibly colder, and they grow best in full sun to part shade.. These will also grow in normal garden soil.. They would make excellent additions to your rare plant collection, or just make a unique statement in your yard.