The Scadoxus plant not which Enkianthus campanulatus is the hardiest species to be small enough. This plant could to be grown as an ornamental plant in  tiny containers.
Enkianthus is a genus of shrubs or small trees in the heath family (Ericaceae). 
 Species of "Scadoxus" are grown as ornamental plants for their brilliantly coloured flowers, either in containers or in the ground in frost-free climates. 
The hardiest of "Enkianthus" species is E. campanulatus (furin-tsutsuji or redvein enkianthus), a medium-sized, narrow, upright, deciduous shrub. 
