A variety of informal bonsai containers or bonsai pots may house the bonsai during its development, and even trees that have been formally planted in a bonsai pot may be returned to growing boxes from time to time.
Bonsai Styles
The most common bonsai styles include formal upright, informal upright, slanting, semi-cascade, cascade, raft, literati, and group/forest.
Bonsai Size Classifications
Japanese bonsai exhibitions and catalogs frequently refer to the size of individual bonsai specimens by assigning them to size classes (see table below).