Tree Fuchsia, Bush Boer-bean. Small tree from Africa with pinkish to red flowers. Native to South Africa, this small tree, growing to a maximum height of 10-20 feet, is an excellent choice for a flowering garden tree. Easy maintenance and low water needs make it ideal for gardens in USDA Zones 9-11. It is quite tolerant of both full sun and partial shade, and also moderare water requirement. As an ethnomedicinal plant, it has been used for centuries for various ailments and has been known to attract butterflies and hummingbirds. When planted in a pot, the Bush Boerbean is able to thrive in colder climates.