Light, corrective pruning can be done any time of the year. Spring flowers form on wood from previous summer (one year old). Summer flowers form on new growth produced in the current growing season. Prune in spring before new growth begins.
In any of these circumstances, if possible, pruning should be postponed until the tree recovers or the environmental conditions are suitable. If pruning is conducted in unfit conditions, the reasons for the work and the possible consequences must be communicated to the tree owner. All work performed on trees and in their surroundings should take into account the possible presence of accompanyin…