Originally Posted by Vonsworld

We live in the UK and have a couple of Cherry Trees in our garden which are rather large. With one of them it looks like originally the top part of the cherry tree was grafted onto a trunk from a different type of tree.

Is it OK to prune these trees at this time of year or should we wait until the spring. If I prune the tree now, and there is a frost next week, will it damage the tree in any way?

Thanks