There are three basic types of plums: European, Japanese and American. Plum trees are adaptable to a wide range of climates, so there is likely a variety for nearly every garden. Check with your local nursery to find out which varieties are best for your particular area. Popular varieties include Methley, Ruby and Sweet Morris.
For a decent crop of fruit, some varieties of plums need to be cross-pollinated with a compatible variety. At least two trees should be planted within 50' to 100' for best pollination.