What acid fertilizer is good for a hydrangea climbing vine? It is a couple years old and had one bloom last year. How do I increase the blooms?
Acid Fertilizer for Hydrangea Vine
Certified GKH Gardening Expert
There are several things that can affect the blooming. This article can help: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/hydrangea-not-blooming.htm
I would give it a phosphorus heavy fertilizer instead to promote blooming.