I hard cut a viburnum about 3 feet off the ground. It is the end of August. I would like to keep cutting back some of the stumps to try to shape better so when it grows back it is more easily contained and shaped. My questions are, how far can I go before I cause too much damage to salvage the plant? And, how long will it take to rebloom?
Cutting a Viburnum
Certified GKH Gardening Expert
Light pruning can really be done anytime but I would do the big pruning in late winter or very early spring.
Severe pruning can effect your blooming but if the effect is over all shape and health of the plant, a Viburnum will usually do just fine with heavy pruning.
Here is a link with more information.