hydrangeas didn’t bloom

Question

Just moved in house, what do we do? Previous owner passed away, no one hear to ask about them.
Do I trim them back in the fall and see what happens next year? Some get morning sun, some afternoon sun.

Answer 1

This article will give you some insights into hydrangeas: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/growing-hydrangeas-hydrangea-care-guide.htm