How to prune korean spice viburnum

Immediately after flowering (late April to May). Use bypass pruners or loppers to remove dead, crossing, or congested stems first. Shorten overly long stems back to a healthy lateral branch. Do not shear into a formal shape — this shrub looks and performs best with a natural open habit. Remove no more than one-third of the plant in any one season.

Every 1–3 years as needed. Prune right after spring flowering to shape and thin the shrub while protecting next year's buds. Korean Spice Viburnum blooms on older wood, so any pruning before or long after bloom risks cutting off flower buds and losing the famously fragrant spring display. Avoid hard autumn cuts entirely.

Use bypass pruners or loppers to remove dead, crossing, or congested stems first. Shorten overly long stems back to a healthy lateral branch. Do not shear into a formal shape — this shrub looks and performs best with a natural open habit. Remove no more than one-third of the plant in any one season.