Unless it's the evergreen root climber Hydrangea seemannii, you shouldn't have much to worry about as they are deciduous.

More info on where you have this plant, time of year purchased and variety/species would of course help.....

I seem to remember seeing this question yesterday, think someones messing about.

This guest feature really does have its drawbacks...........

I think this is the third time, all from Devon.

Yup Guest if you are the same person read our replies and move on...

I am confused as guests can only ask 1 question?

I think there are ways round that - I've seen several questions with exact same or similar wording from Guests

Drc726: Caretaker1900 asked this question on the 17th & the 21st. Then mysterious Guest asked the same question again, not changing the wording or location. What's up Caretaker1900?