Hydrangea scandens is a species of shrub in the flowering plant family Hydrangeaceae. It is native to Japan, where it is found from the Kantō region southward.

Its leaves are 4-7 cm long, toothed, and have acuminate tips. Flowers are produced in May through June.

It is sometimes considered to be a subspecies of Hydrangea anomala, under synonymy with Hydrangea petiolaris.

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