What does climbing hydrangea mean?
• CLIMBING HYDRANGEA (noun) The noun CLIMBING HYDRANGEA has 3 senses: 1. climbing shrub with adhesive aerial roots having opposite leaves and small white flowers in terminal cymes; Himalayas to Taiwan and Japan 2. deciduous climber with aerial roots having large flat flower heads 3. deciduous climber with aerial roots having white to creamy flowers in fairly flat heads Familiarity information: CLIMBING HYDRANGEA used as a noun is uncommon.