Oct 17, When to Trim. Boxwood shrubs are slow-growing plants. Because of this slow growth, gardening with these bushes requires relatively little maintenance.
Generally speaking, you can maintain your bushes by pruning once a year. Once established, the best time to trim is in the spring. You can also shape and touch up your bushes through mid-summer Author: Jeffrey Douglas.
Boxwood Pruning Tips. First, gently prune your new plants slightly as soon as you put them in the ground, so they will begin to grow in the shape and direction you like. Prune boxwood each year in spring; it is okay to touch up the plant's shape or. 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 Estimated Reading Time: 7 mins. Jun 29, Pruning Boxwood for topiary can be tricky, especially when the desired shape is a spiral or some type of animal form. If you're not a natural at carving 3-dimensional shapes and forms, it might be best to leave topiary pruning and shaping to an expert.
Otherwise, if you're confident with your carving skills, go ahead and do it.