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Pruning overgrown Roundleaf Viburnum Hedge (Viburnum Tinus Robustum) #820696

Asked February 19, 2023, 7:29 PM EST

Per the two enclosed photos, I have started to prune this overgrown Viburnum hedge, with the goal of promoting growth/leaves on the lower part for privacy. Will the lower cuts I have made encourage the hedge to bush out at a lower level for privacy? I have noticed some growth appears like a "water sprout", with no leaves/branching except at the very top, but I have cut a few down low to get more bushiness. I am not pruning the other side yet to make sure I get this side to fill in first, again for privacy. Thank you very much for your response.

Multnomah County Oregon

Expert Response

“Probably” is the best I can say right now. You might find that cutting the water sprouts to force branching is needed.
What kind of Viburnum is it? Perhaps I can find research or advice that is specific to this plant.
Another expert pointed out that I cruised right past your question title clearly giving the name of your plant. I’m sorry about that.
Shrub rejuvenation is a topic I found more information about. This blog page from the International Master Gardener Conference in 2017 gives basics on the types on pruning cuts and methods to rehabilitate a shrub.
As you read about the styles (rejuvenation, staged renovation and drastic renovation) consider which you’d like to do. Getting new stems low on the shrub or even new trunks from the base maintains a strong scaffold to support smaller twigs with leaves.
Hi!
Thank you very much for revisiting my questions and the resource you pointed out.  Nice to proceed with confidence!
Best regards



On Feb 23, 2023, at 1:31 PM, Ask Extension <<personal data hidden>> wrote:

The Question Asker Replied February 23, 2023, 6:12 PM EST

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