The Kaffir* lime tree (Citrus hystrix), also known as makrut lime, is commonly grown for use in Asian cuisine. While this dwarf citrus tree, reaching up to 5 feet (1.5 m.) tall, can be grown outdoors (year round in USDA zones 9-10), it is best suited for indoors. The Kaffir lime tree thrives in potted environments and would benefit from placement out on the patio or deck; however, its container needs to provide adequate drainage