Bonsai Trees and other bonsai accessories at low wholesale prices. One-of-a-kind Bonsai Trees. Caring for an indoor Bonsai is different from that of normal potted house plants. The main reason is that bonsai trees are planted in small pots and therefore have limited storage for nutrients and water. More importantly, tropical trees are accustomed to receiving a lot of light and high humidity, climates that are challenging to replicate indoors.