10 Most Expensive Houseplants in the World 

10. Monstera Thai Constellation

9. Pink Princess Philodendron

8. Hindu Rope Plant

7. Variegated Monstera Minima

6. Obliqua Monstera

5. The Shenzhen Nongke Orchid

4. 800 Years-Old Bonsai Tree

3. 250 Year Old Juniper Bonsai Tree

2. Juliet Rose

1. Queen of the Night