Philadelphus delavayi (Chinese Mock Orange)

Zone: 6 - 9
Natural Range: China, Tibet
Family:  Hydrangeaceae
Soil:  Moist, humus rich
Light: part shade, sun
Height: 10 feet tall
Attributes: Deciduous. Numerous white flowers with purple calyces.  Egg-shaped toothed leaves with pointed tips.
Notes:  You simply can't go wrong with any of the Mockorange species.  Best when planted with other plants to create interest once the Philadelphus has finished flowering.