If you are looking for a flowering bonsai tree than the Bonsai Gardenia is a great choice. The Gardenia tree has waxy green leaves and white flowers that open in the mid spring to early summer. The flowers give off a nice fragrant scent that can fill the room. This type of tree is easy to maintain and will look great all year round in your indoor bonsai garden. Make sure to water frequently and to prune as needed and your tree should last for many years to come.