Hydrangea bretschneideri (Mongolian hydrangea) is a species of flowering plant in the family Hydrangeaceae, native to most of China.

Hydrangea bretschneideri is a sturdy, bushy, deciduous shrub with peeling chestnut-brown bark. It blooms from July to August, producing white lacecap flowers that turn pinkish as they fade. Leaves are mid-green, with a felted underside.

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