Winter Fruit Tree Pruning Tips: 1. If you are wanting to increase the size and vigour of your fruit tree, winter is when you should be pruning. If you have a larger tree and you wish to maintain or decrease the size then summer (end of July beginning of August). 2. You can prune most fruit trees in the winter. Plums are better pruned in the summer. 3, You can remove dead, diseased or damaged branches any time of year. 4. Never remove more than 1/3 of the tree at any one time. Sometimes that is j