Hydrangeas not flowering?
We moved to a new home with hydrangeas a few years ago. The first summer we had great foliage with very little flowers. The following spring I fertilized in hopes this would help...no such luck. Same great foliage but no blooms.
Certified GKH Gardening Expert
Your soil may have too much Nitrogen, which can cause lots of green foliage and not flowering.
This article will help you.