Oranges. As a feng shui cure it is often recommended to have 9 oranges in either the dinning room, living room or kitchen for good luck and prosperity. The oranges could be real of artificial. It is believed that citrus fruits can ward off negative energy, thus oranges, along with tangerines and limes are often used in traditional feng shui applications.
In California, many of the residents have orange trees growing directly on their property, which is also a great remedy!