It has a reputation as a temperamental thug, one that takes too long to grow and then grows too much when it does. Climbing Hydrangea Varieties. An additional bonus is that the Climbing Hydrangea is completely hardy, -15 to -10 cold winter Hardy in most places throughout the UK even in severe winters. Organic methods of applying compost around the roots give really good results but you can also add organic matter to the soil with a quick shot of chemical fertilizer if … Sku #4170. Prune annually to control size.Pruning time: summer after flowering. Because they are hardy growers with strong aerial rootlets that cling to all surfaces, you can plant them on sturdy structures, like stone or brick walls, chimneys, and houses; avoid wooden shingles and clapboard, which can be damaged by these rootlets or "holdfasts." See beautiful Climbing Hydrangea varieties here! The climbing hydrangea (Hydrangea anomala petiolaris) is a clinging vine that grows up to 50 feet and is related to the popular hydrangea shrub. It is true that it can take a … Provide support for climbing stems. Learn how to grow climbing hydrangeas in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. But have faith friends, Hydrangea anomala petiolaris is a victim of hasty judgement. ... Feed with general purpose fertilizer. History: Hydrangea anomala is native to wooded valleys, stream banks and mountain slopes in the Himalayas and China. petiolaris . Climbing hydrangea is misunderstood. History & Lore. Climbing hydrangeas love rich soil and do well in full sun, partial shade, and even deep shade. Like the hydrangea shrub, the climbing hydrangea produces clusters of flowers in the spring and sporadically during the growing season. Chemical fertilizers or something organic can be used to feed your hydrangeas. Climbing Hydrangea is a reliable climbing plant flowering every year with lovely, frothy, creamy white flowers and bright, almost lime, green foliage. Hydrangea anomala subsp. What to feed hydrangeas. Climbing Hydrangea Hydrangea anomala petiolaris.