The first two years after planting are important for shaping up the barberry shrub or hedge. If the shrub is old, leggy, or overgrown, then severe pruning is recommended, i.e., to cut back the older stems to the ground. It encourages dense and bushy growth of the plant. How to Prune Barberry Shrubs? Pruning these shrubs is not a very difficult task!Estimated Reading Time: 5 mins. Sep 21, Use hand-held or electric hedge clippers to shape the plant. For healthy, full growth from top to base, always trim barberry shrubs wider at the base of the plant.
This method opens up the lower branches of the shrub to encourage new growth for filling in gaps. Collect all branches, leaves and spines and dispose of these in yard waste bags. Annual trimming is required if your shrub is Red Leaf Japanese Barberry (Berberis thunbergii"Atropurpurea"). The spreading purple foliage of this deciduous plant forms a 4-foot-square shrub that.
For these plants, pruning should be done in the early spring, before they leaf out. Shear or prune the outer branch tips to shape and reduce the size of the plant. Repeat this pruning technique throughout the summer, as needed. How to Prune Japanese Barberry Bushes. Japanese barberry (Berberis thunbergii) is a dense and spiny shrub that grows 3 to 6 feet high. Native to Asia, barberry plants thrive in U.S. Department of.