Climbing Hydrangea
Hydrangea anomala/Hydrangea petiolaris

This deciduous, self-clinging climber from Japan and northeast Asia grows up to 50 ft. or more and bears beautiful flattened heads of small white flowers in summer. It has oval, finely toothed leaves and is very frost hardy,. Provide some protection from hot afternoon sun, and water regularly in summer. Prune after flowering, trimming close to the support. Zones 6-10