This climbing Hydrangea is an evergreen plant so it should keep its leaves all year around and not lose its leaves during the dormant season autumn winter. It will shoot new growth in the spring each year. 

Hydrangea anomala Winter Surprise is an evergreen climbing hydrangea. Produces white flowers in summer from May to June. Dark green foliage turning red in the winter. Suitable for full sun or part shade conditions. Good for walls and fences.

Eventual height and spread up to 2 metres.