Climbing hydrangea advice

in Plants
We planted one of these about 18 months ago. It’s growing well but not yet clinging to the wall. Do I need to do or can I do anything to encourage it to cling or does this start as it matures?
Thanks
If you have a garden and a library, you have everything you need.”—Marcus Tullius Cicero
East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
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East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham
East facing, top of a hill clay-loam, cultivated for centuries (7 years by me). Birmingham