Each type of hydrangea has a different bloom time. For instance, mophead hydrangeas bloom from late spring to midsummer in the southernmost regions. The exception to this is the new re-blooming hydrangeas which may bloom the entire growing season.

How do I get my mophead hydrangea to bloom?

Your hydrangeas need to be fed often. We recommend Fertilome Premium Bedding Plant Food to be applied lightly every month from March until August. That is six times in spring and summer with a high phosphorus fertilizer. 5- Mulch in Summer – This step helps to reduce stress.

Why are my mophead hydrangeas not blooming?

Often, hydrangeas that aren't producing flowers have been pruned in early summer and late winter. If they are over pruned, they'll have a tendency to die back more than normal, and they'll make you wait a whole year before they blossom again. ... Remember, it may need that old wood in order to bloom.