The perfect, apetalous wind-pollinated flowers emerge in early spring, before the leaves; unlike most elms, the Siberian elm is able to self-pollinate successfully.
The perfect, apetalous wind-pollinated flowers bloom for one week in early spring, before the leaves emerge, in tight fascicles (bundles) on last year's branchlets. Unlike most elms, the Siberian elm is able to self-pollinate successfully.