Wild Plum . . .

Picking and preserving the wild plum
http://www.backwoodshome.com/articles2/weekes69.html

By Bill Weekes

  The wild plum is a fickle fruit, ripening any time between late spring and late summer. It comes in a bunch of colors, shapes, and sizes. Some are sweet, some tart. And it boasts one of the highest food values—20% carbohydrate content—of any other fruit.

From late May to midsummer, wild plums (Prunus americana and other species) are ready to be picked. Throughout the U.S. there are about 30 varieties of native wild plums. Additional natural hybrids add to the complexity of variation and dilution of "purity." In the Northern Hemisphere there are 2,000 variations of these main varieties.   ---CONTINUED---

How to Care for American Wild Plum Trees
https://homeguides.sfgate.com/care-american-wild-plum-trees-57834.html

  Grown as large shrubs or small trees, American wild plum trees (Prunus americana) add a naturalized, wild look to the landscape with their gnarly, dark-brown branches. Medium-green, long, oval leaves cover the branches creating a thick canopy that backs clusters of white, spring flowers. Hardy in U.S. Department of Agriculture plant hardiness zones 3 through 8, these deciduous trees thrive in full sunlight and fast draining, light, slightly dry soils. Just as their natural appearance and growth habit suggests, American wild plums require minimal maintenance.   ---CONTINUED---