Key lime trees have a zero tolerance of frost and require a hot humid climate to grow outdoors. However, these trees can also be grown indoors in any climate and will produce fragrant blossoms and delicious key lime fruit.
1. Australian Lime trees: Though there are three types of Australian lime trees, the desert lime, the finger lime and the round lime, the most popular by far is the desert lime. Used to make anything from marmalade to candied fruit, this sweet and scares bush fruit has only recently been cultivated for commercial use.
