Synonyms: Hydrangea anomala subsp. petiolaris Family: Hydrangeaceae Flower Colour: white, Bloom in: June, July, Type of flowering: number of petals 4, Hydrangea petiolaris - climbing Hydrangea Hydrangea petiolaris is a vigorous woody climbing vine plant, growing to 30 to 50 ft (9 to 15 m) height and 5 to 6 ft (2 to 2 m) wide.[1] It grows up trees and…