7 rare and expensive houseplants that cost more than renting a house or car

Indoor plants offer beauty and variety. Some houseplants are rare and unique. These plants have unusual leaf shapes or striking colors. They are hard to grow or found in specific regions. Collectors pay high prices for these gems. Variegated Monstera Deliciosa and Philodendron Spiritus Sancti are examples. Alocasia ‘Black Velvet’ and Calathea Orbifolia are also prized.