Latin Name: Citrus spp.. Kumquat, which is very closely related, has been given the genus Fortunella spp.
Type: Shrub / Tree
Native to: Tropical and subtropical throughout the world
Fruit: The citrus fruits come in all sizes and shapes. There are about 14 common types of citrus found in U.S. stores.
Size: Citrus can grow on large shrubs or trees. The size will vary by species.
Hardiness: Many kinds of citrus can grow in Zones 9-11
Propagation: Seeds, grafting
Uses:Many citrus can be eaten fresh or used in cooking. Some are too acidic to eat fresh. Citrus fruits are quite rich in vitamin C and were used by sailors to ward off scurvy. Orange oil is used in many cleaning products.