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Disease-Resistant Plums
A breeding program at Auburn University has developed a series of new plum varieties that have resistance to black knot, brown rot, and bacterial canker. These plums would be good candidates for homeowners that want to minimize their use of fungicides. Locating all of the varieties may be a little difficult. We currently do not have any experience with growing these varieties in Pennsylvania.
AU Amber: The fruit is medium sized with a purple skin and excellent flavor. Fruit is smaller than that of AU Rosa and AU Rubrum. Partially self-fruitful.
AU Rosa: The fruit has a bright-red skin with yellow flesh.
AU Rubrum: The fruit is large and firm with a maroon skin with red flesh. Reported to be self-fruitful.
AU Cherry: A small plum that has consistently produced
large crops.
AU Roadside: Sometimes listed as "War Eagle!" in nursery catalogs. The red-skinned fruit and flesh is of high quality. Flowers are self-fruitful.