Germander meadowsweet, elm-leaved spirea
Native to South Eastern Europe and Asia. This shrub often reach 1-1.5 m. Leaves are simple, oblong or lance-shaped. 4-6 cm long, 1-3 cm wide. The white flowers of 6-9 mm in diameter grow in spike-like clusters at the ends of the branches. Flowering period extends from May to September.