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A full-grown climbing hydrangea in bloom can take your breath away. This big vine produces large clusters of white flowers held against rich, dark green foliage. Climbing hydrangeas grow by producing aerial roots that grow into walls, fences, or even up the side of a large tree. The vines can be slow to get established -- so be patient with them. Note: All parts of this plant are poisonous.
how to grow Climbing hydrangea