The amount and manner of pruning depend to a large extent on the type of plant, its location, and the particular tastes of the homeowner. The PINE Group. Prune preferably in early spring. Make cuts just above needle whorls. Additional pruning may be done before new growth hardens in June.
Pines normally require little pruning.
Cuts may be made at any point along the younger portions of the branches. The best time to prune these plants is in the early spring. Such pruning is necessary to maintain the natural shape of the plants. This group consists of many tree, shrub, and prostrate forms. These species can withstand relatively heavy pruning and many may be trained into various forms by shearing.