Answer: Simply defined, cross-pollination occurs when polen is transferred between two varieties of the same type tree. Plums need another plum tree for cross-pollination and fruit set but most peach trees are self-fruitful. If there are no other plum trees in your neighborhood, you might want to plant a second plum tree in your yard. The variety of plum you have will determine which other plum will serve as a good pollinator. A local nursery can help you find just the right match for your plum tree.
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