Confusion about hydrangeas in the garden

 

Hydrangea garden view from my office

Why aren’t they blooming? Why are they pink when I want blue? When do I prune?

Well, the link below from Proven Winners tells all including when to have patience.

Now of course, plants don’t always read gardening books so if you have hydrangeas that are not behaving     give them more light, water, or time!

 

https://www.provenwinners.com/sites/provenwinners.com/files/pdf/hydrangeas_demystified_2015.pdf