When is the best time to trim trees? Generally, the dormant season (late fall to early spring) is ideal for most species. However, some trees have specific pruning windows for optimal health and recovery. Emergency trimming for hazardous branches can be done any time of year. 2024-02-14T18:40:03+00:00February 28th, 2016| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail