When should I trim hydrangeas? Are there some hydrangeas you shouldn’t cut back?

Question

I had a gardener who said that some types shouldn’t be cut back, but all of may hydrangeas are leggy, including the laceleaf and have bloomed very little this year.

Answer 1

The lacecap hydrangeas rarely need pruning. Here's more:

https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/prune-hydrangea-bushes-hydrangea-pruning-instructions.htm

https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/deadheading-a-hydrangea.htm