Sorbaria kirilowii or S. arborea
false spirea
Location
The Philadelphus Walk
Description:
A deciduous shrub up to 1.5m with large masses of arching branches that are covered with green pinnate leaves. Billowy white sprays of flowers appear in mid - late summer. Mature plants spread where you let them and they can be invasive in some areas.
Site and Care:
A tolerant shrub that will grow in virtually any conditions from full sun to shade on any type of soil. They benefit from being cut to the ground every two - three years. Propagate by cuttings or seed.