“Known variously as Balloon Vine, Love-in-a-Puff, and Heart Seed, the paper lantern-like seed pods of Cardiospermum halicacabum (Cardio = heart, sperma = seed) carry three matte black seeds, each imprinted with their own white hearts. Who says plants can’t show affection to their caregivers?”
White flowers give way to green puffs, which hold three new heart-emblazoned seeds that are a cinch to save.
Direct sow after frost, or start indoors a few weeks earlier. Vines can grow to 8-10′ trellising required. Balloon Vine enjoys sun and rich, moist soil. May self-sow in the Northeast; not recommended for warmer areas.
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