Hydrangea petiolaris Siebold & Zucc.
Climbing hydrangea
Photo: Sten at da.wikipedia · CC BY-SA 3.0 · Source
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Description
The climbing hydrangea is a self‑climbing deciduous shrub native to the mountain forests of Japan, Korea, and Sakhalin. It climbs up to 10 m by means of adhesive roots, attaching to walls, fences, and tree trunks. In summer it produces large, white, fragrant panicles that attract bees; in autumn the foliage turns yellow, and the cinnamon‑brown bark that peels off remains as winter ornamentation. It is an indispensable plant for shaded north walls in DACH gardens, where other climbers are avoided, and it also works well as a ground cover on larger areas or in large containers.
Care instructions
Plant the climbing hydrangea in a half‑shaded to shaded, wind‑protected spot in humus‑rich, slightly acidic, evenly moist soil without waterlogging. Water regularly with low‑calcium water, especially during the establishment phase when the plant is sensitive to drought. Pruning is minimal, remove only dead shoots or trim excessively long shoots after flowering. Protect young plants in the first winter with a layer of straw around the root zone; older plants are fully winter hardy.
Soil & site
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