my hydrangea has new shoots but seems to be dying on older stems.
I have repotted it in larger pot but its not flowering and the older stems appear to be dying.
Certified GKH Gardening Expert
Without seeing the plant, it will be hard to tell. What I can do is include an article to common reasons that they will fail to flower: https://www.gardeningknowhow.com/ornamental/flowers/foxglove/foxglove-flowers.htm