Gardening Plant Encyclopedia Vine Climbing Hydrangea By Viveka Neveln Viveka Neveln Instagram Viveka Neveln is the Garden Editor at BHG and a degreed horticulturist with broad gardening expertise earned over 3+ decades of practice and study. She has more than 20 years of experience writing and editing for both print and digital media. Learn about BHG's Editorial Process Updated on August 9, 2019 Share Tweet Pin Email 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 toxic. Climbing Hydrangea Overview Genus Name Hydrangea petiolaris Common Name Climbing Hydrangea Plant Type Vine Light Shade Height 20 to 20 feet Width null to 50 feet Flower Color White Season Features Summer Bloom Special Features Cut Flowers, Low Maintenance Zones 4, 5, 6, 7, 8, 9 Propagation Stem Cuttings Was this page helpful? Thanks for your feedback! Tell us why! Other Submit