QuestionsHow to growTrees and ShrubsPlantingPRUNING TREES AND MOVING HYDRANGEA 0 Vote Up Vote Down CLARE GAFFNEY asked 14 years ago can I prune trees now eg Copper beech and 3 others do I take off the new growth form last year I live in the Lough Dan area so we get very hard frosts. I also want to move some Hydrangea when is the best time. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Trees do not need to be pruned if there is space for them to grow. Hydrangeas can be moved when the leaves are off.