By Colingash
Buckinghamshire,
United Kingdom 
large hydrangeas in pots have not flowered this year although they have produced plenty of growth and leaf
any views ?
8 Sep, 2016
You may have pruned them at the wrong time or too severely. Pruning should be left until after the last frost in spring and should really be limited to deadheading. If you cut too far back you will cut off the flower producing wood.
8 Sep, 2016