Hydrangea anomala subsp. petiolaris Climbing Hydrangea Size: 60 to 80' high; can be maintained to attain lesser size. Hardiness: Zones 4 to 8. Habit: A true clinging vine, cementing itself to any structure. With time, the vine becomes woody, and the cinnamon-brown bark exfoliates. Rate: Slow at first. Culture: Full Sun to deep shade.