Hydrangea bush has not bloomed
My Hydrangea bush has not bloomed for two years. It previously did have blooms. What does it need? What type of soil addition or fertilizer should I use to promote blooms?
Certified GKH Gardening Expert
Most likely you have to much Nitrogen in the soil.
This causes lots of greens and little to no flowering.
You can add Phosphorous by using Bone Meal.
Here are some links for you.