Outsidepride Balloon Vine Cardiospermum Halicacabum Plant Seed - 100 Seeds Balloon Vine (Cardiospermum halicacabum) grows as an annual in USDA Zones: 5 - 11 and thrives in full sun. Also called Heartseed Vine and Love in a Puff Plant, this vining plant grows 120 inches in height and produces small white flowers which after time forms the large ornamental seed pods that resemble balloons. This woody climbing ornamental is perfect for fences or a trellis and will have blooms from mid summer to mid fall. Sow these heirloom seeds at 1 - 2 seeds per plant in well-drained soil and keep moist until germination occurs in 14 - 21 days. Our seeds are always Non-GMO and packaged for the current year.