Climbing Hydrangea (Decumaria barbara): A Woody Vine That Rarely Blooms

Climbing Hydrangea (Decumaria barbara): A Woody Vine That Rarely Blooms

A gardener in Alabama found a vine at the water's edge growing up a privet bush. Initial photos suggested milkvine (Matelea sp.), but follow-up photos showed a woody vine adhering by aerial roots.

Unknown vine

Milkvine

Matelea

Expert Process

The expert initially thought milkvine, but after more photos showing aerial roots, consulted Dr. Curtis J. Hansen at Auburn University. The vine was identified as climbing hydrangea (Decumaria barbara), which rarely blooms. The expert had considered it but dismissed it; the botanist's input confirmed it.

Unknown vine

Unknown vine

Giant poison ivy comparison

Small starters

Vine