Take a look at our advice for pruning hydrangeas. The method for pruning depends on what kind of shrub you have. It may be that by cutting off year-old wood you have removed the branches that would have bloomed. This is the most common reason a hydrangea fails to flower Water them well and regularly since you say they are dry, but don’t do anymore pruning. Let them grow for the next two seasons to get established.
Take a look at our advice for pruning hydrangeas. The method for pruning depends on what kind of shrub you have. It may be that by cutting off year-old wood you have removed the branches that would have bloomed. This is the most common reason a hydrangea fails to flower Water them well and regularly since you say they are dry, but don’t do anymore pruning. Let them grow for the next two seasons to get established.