Q.Moving Hydrangeas. I Have A HUGE Bush. Can I Cut It In 4 Pieces ? One To Keep In A Pot And 3 To Give Away
They are 30 yrs old and are the sam.

Certified GKH Gardening Expert
As long as you can get roots on each portion, I don't see why this couldn't be done successfully! This should be done during dormancy, if you are in an area where it goes dormant. If it does not, then between December and February will be appropriate.
Here is an article that will help you to move it successfully:
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/transplanting-hydrangea-bushes.htm