Pruning Techniques and Tools: A Discussion Pruning in the vineyard Between last year’s harvest and the new growing season lies a gnarled mess of grape vines. The plants rested during the winter and are ready to begin their new growth cycle. First, however, the dormant plants will need pruning. For vines young and old, pruning is the key to managing canopy, fruit quality and growth. “One of the most important vineyard practices ...