Viburnums do not require regular pruning. However, you may cut back vigorous shoots for shape in early to mid summer. Do not deadhead or the plant will not produce its charming berries.

Are you supposed to deadhead viburnum?

Do this by lightly cutting back shoots after flowering. Deadheading and removal of dead, damaged and diseased growth can be done at the same time. ... Deciduous Viburnum - whether winter, spring or summer flowering - also fall within pruning group 8 and can be lightly pruned after flowering unless berries are required.

How do you maintain viburnum?

When it comes to viburnum care, water shrubs during dry periods. It will also help to add mulch to retain moisture. You can apply a slow-release fertilizer to viburnums as well but this isn't required. In addition, pruning the shrub should be included with viburnum care.