Japanese Hydrangeas

Question

Please tell me when to prune and about general care of Japanese Hydrangeas.

Answer 1

These articles should help: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/growing-hydrangeas-hydrangea-care-guide.htm