How To Prune Korean Spice Viburnum: A Complete Guide For Beginners

Korean spice viburnum is a popular ornamental shrub that is widely cultivated in gardens and landscapes across the world. Known for its fragrant spring flowers, attractive foliage, and vibrant fall colors, this plant requires regular care to maintain its health and beauty. One of the essential tasks in caring for Korean spice viburnum is pruning. In this blog post, we will discuss how to prune Korean spice viburnum.

Understanding the plant

Before you start pruning your Korean spice viburnum, it’s crucial to understand the basic structure of the plant. This shrub grows up to 8 feet tall and wide with a dense branching habit that creates a bushy appearance. The leaves are oval-shaped with serrated edges and grow up to 4 inches long.

During late winter or early spring, clusters of pink buds appear on bare branches that eventually open into white or pinkish-white flowers with a sweet fragrance. After blooming season ends, glossy red berries develop and persist throughout fall until they drop off or get eaten by birds.

When to prune

The best time to prune your Korean spice viburnum depends on what type of pruning you want to do – minor shaping versus rejuvenation pruning.

Minor shaping: If you want your shrub just lightly shaped-upped but not drastically reduced in size nor shape changes made then do this right after flowering end which means during summer (July/August).

Rejuvenation Pruning: On another hand if drastic reduction needed then done during late winter before new growth begin.

Tools Needed
• Gloves
• Hand pruners
• Lopping shears
• Hedge trimmers (optional)

Step-by-step guide

1) Identify dead wood- Start by inspecting each branch carefully for dead wood or diseased parts such as cankers or fungal infections characterized by black spots/shrunk twigs/leaves-deformation etc.
2) Remove dead wood – Use a pair of hand pruners to make clean cuts through the dead wood or diseased parts back to the nearest healthy growth.
3) Remove weak, crossing and rubbing branches- Look for branches that are misdirected, overgrown or obstructive. Cut these out with sharp pruning shears close to the base joint where they come from.
4) Thin out congested areas – Assess how dense your shrub is looking as it may be necessary to remove some stems if it’s too thick. Take care not to go overboard and leave enough foliage on each branch so that it can carry out photosynthesis efficiently.

Tips for pruning success

• Always use sharp tools: Dull cutting edges would crush and damage plant tissue instead of making a clean cut which causes an entry point for pathogens like fungi/bacteria etc.
• Never prune when plants are under stress: Pruning during drought, heat spells or extreme cold weather can cause undue stress on plants leading up towards its death eventually
• Maintain sanitation: After trimming one shrub, wipe blades with alcohol/water solution before moving onto next plant; this prevents any potential transfer of diseases among them.


Korean spice viburnums require regular maintenance including pruning for optimal health & beauty. To ensure success in taming shrubs effectively follow our step by step instructions mentioned above while also keeping in mind important tips such as using only sharp tools when working on live twigs/branches/stems along with maintaining proper hygiene so that you don’t spread pathogens from one plant another accidentally.