Q.I have a 7 foot soil/rock face behind my home, hoping a climbing hydrangea would grow up. Will it send its roots into the soil as it
grows? I am hoping I can plant at the bottom of the slope without support.
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on July 8, 2020
Yes, climbing hydrangea should grow along a rocky slope. They climb by aerial roots, that cling to rough surfaces. It does prefer a rich, moist soil, so add amendments to your soil at the base if it needs it. And they can be slow to flower, so patience is needed.
Here is more:
https://www.gardeningknowhow.com/ornamental/vines/climbing-hydrangea/growing-climbing-hydrangeas.htm
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