Probable hardiness USDA Zone 3. Native to Japan, this attractive medium sized shrub deserves more consideration and use in the home landscape. We have found this accession to be virtually pest free in Ames. Compared to other Staphylea , this species is finer textured with smaller leaves, and thinner, more numerous branches. S. bumalda also produces a better floral show than most other bladdernuts.
White blooms appear just as the leaves come out.
The inflorescences are erect as opposed to those of other species which hang down. Blossoms are sweetly scented, like Mock Orange, but now overwhelming. Unlike the fruit of Bladdernuts native to the U.S., several 2-lobed capsules hang together on short racemes. PI 545683 was started from seed donated by Norges Landbrukshogskole, As, Norway. Probable hardiness USDA Zone 4b.