How to Prune blue potato bush?
Prune lightly as needed to remove unwanted shoots and keep the shrub in shape. Prune in mid- to late spring.

blue potato bush · Lycianthes rantonnetii
May survive as a wall-shrub in very mild areas, or grow as a standard in a pot and take under cover for winter. Otherwise grow in a cool greenhouse or conservatory with shade from the brightest sun and moderate humidity. Plants will require support
Prune lightly as needed to remove unwanted shoots and keep the shrub in shape. Prune in mid- to late spring.