Lycianthes rantonnetii
The potato bush plant is an attractive shrub that grows up to 6 feet tall and wide. It is evergreen in warm climates, and its dense growth habit makes it suitable for use as a hedge or screen. You can also grow it as a tree by removing the lower branches. Pinching the tips of new growth encourages bushiness.
A member of the Solanum family, it is closely related to potatoes, tomatoes and eggplants, but you should never eat it because it is poisonous. Common names for this plant include blue potato bush, Paraguay nightshade and blue solanum shrub.
Potato bush plant is grown outdoors in warm climates. In areas with cool winters, grow it as a potted plant that can be brought indoors when frost threatens. In cool areas, an abundance of small, blue flowers bloom in summer and fall. In frost-free areas, it blooms year round. The flowers are followed by bright red berries.
Source
1234