What time of year do you trim boxwood shrubs. After this first clip you boxwood will look neat and tidy throughout the summer but will still encourage growth. Prune in late February to desired size. Always use sharp clean. Step 2 - Clean up the Interior of the Boxwood. This is the best time to trim boxwoods. Summer-flowering shrubs such as/5(66). Yes, you can prune hard or trim boxwood shrubs to the desired height depending on the time of year. Major pruning should be done in the late winter to early spring.
Touch up trimming can be done all spring and summer. Avoid pruning in early fall into early winter. Depending on your goals with your boxwood, you will want to pay attention to different pruning schedules and what type Estimated Reading Time: 7 mins.
Jun 29, Pruning a boxwood for topiary should be done in late winter, when the plant is still dormant (not actively growing). Pruning Boxwood for topiary can be tricky, especially when the desired shape is a spiral or some type of animal form.