Growth Rate of Climbing Hydrangea

Growth Rate Of Young Plants

• Young climbing hydrangea are slow to become established and most of its growth goes into the roots at this time. For the first three to four years, the plant remains small, like a bush, growing only a few inches each year.

Growth Rate Mature Hydrangea

• Once the roots are established and the plant has begun to mature, the growth rates skyrocket. Climbing hydrangea are know to grow from 18 inches to several feet per year. At this point the vines begin to climb, attaching the aerial roots to a wall, tree or other vertical structure nearby.

Pruning to Limit Size

• The growth of climbing hydrangea is usually limited to the height of the adjacent structure, although it has been known to move to other close structure and to grow along the ground. Careful pruning at the base keeps it from excessive horizontal growth.

Maximum Size

• Climbing hydrangeas usually grow to the top of whatever structure is available, reaching 50 to 75 feet in height. If no suitable climbing structure is available, it grows as a ground cover, mounding and putting out branches that extend 1 to 2 feet from the trunk.