Hydrangea Won’t Bloom
I planted my hydrangea 3 years ago. Since then they won't bloom. Maybe it doesn't have enough sun. I'm thinking of transplanting to a more sunny place, but I'm not sure that this is a good time to do it, as it currently has buds.
Certified GKH Gardening Expert
There are different reasons for non-blooming. Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm
For pruning info, this article should help: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm