How Do You Keep a Red Hydrangea Red?
I bought a red hydrangea last year. The plant at the time was in a 8" pot and was replanted in the ground. This year it's a lot bigger but has become more deep pink than red. What will bring back that red color?
Certified GKH Gardening Expert
Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/change-hydrangea-color.htm