Prunus japonica
 
For use in grafting, not a tree. Scion is approximately 6-10" in length and should be good for two grafts, depending on your method.
 
The Korean Bush Cherry grows best in well-drained soil with half a day to full sun. It is hardy to minus 30° F and reaches a mature height of 7-9 feet. The Korean Bush Cherry is a hardy, deciduous shrub that adds beauty and flavor to your garden. Its elegant white flowers bloom in early spring, followed by clusters of vibrant, cherry-red berries that ripen in late summer. These sweet and tart berries are perfect for jams, jellies, and pies. This low-maintenance shrub is self-pollinating and thrives in various soil types.