We were advised to use amelanchier trees as part of a hedge ( probably not the best advice!) They are now five years old and have never been pruned and we wondered do we prune, leave alone, take off every third branch? We're not sure and they have now become entwined with the beech and hawthorn in the hedge. We would be most grateful if you could help. Kind regards Diana Rowland
Certified GKH Gardening Expert
I can say that you will want to do this during dormancy, or at the latest, early spring. You will want to take growth a little at a time, pruning out crossing branches.
This article will give you more information: https://www.gardeningknowhow.com/edible/fruits/serviceberries/growing-serviceberries.htm