Glass Home Gardens - Tillandsia Velutina Air Plant - Singles A chance to buy these larger air plants one at a time. Each plant is 4 to 6 inches in diameter, perfect for terrariums or mounted display. Comes complete with "Glass Home Gardens Guide to Airplants" Easy to care for, only needing a soak once or twice a week, these beautiful house plants will blush purple as they approach their bloom cycle. Guaranteed to arrive healthy. Give them bright, filtered light, air and regular soakings and they'll thrive.