
Photo: José Luis Gálvez, CC BY-SA 2.5 · source
Pruning guide · Shrub
Japanese privet: when and how to prune
Ligustrum japonicum
Japanese privet is best pruned in June and August.
| Pruning months | June and August |
|---|---|
| Nesting season (15 March–15 August) | Take care in June and August |
| Flowering | July–August |
| Good for bees, butterflies and birds | Yes, for bees |
| Native to Belgium | No, planted |
| Poisonous to people and pets | Yes, take care with children and pets |
Japanese privet: when to prune it?
Trim in June and in August. The flowers appear in July–August, so a lighter trim keeps part of the bloom.
Japanese privet: how to prune it?
- Cut new shoots back each time to a few pairs of leaves, with sharp secateurs or shears.
- With such large leaves, prefer secateurs to an electric hedge trimmer so the leaves are not shredded.
- Remove dead, weak or crossing branches completely and keep the crown or hedge open enough for light.
- For a trained tree or a tree on a stem: remove shoots on the trunk and reshape the crown every year.
How much to cut, and how often?
- There are 2 pruning periods a year: June and August. You don’t have to prune in every one.
- Prune in moderation: never remove more than about a third of the shrub at once.
What does it mean for wildlife?
- Pruning in June and August can fall in the nesting season (15 March–15 August). Check carefully for nesting birds first: disturbing an active nest is against the law.
- Japanese privet flowers in July–August, when it attracts bees.
- If pruning falls during flowering, wait until it is over or leave part of the plant to flower, so bees and butterflies still benefit.
- Prunings can go on a dead hedge or brash pile in a corner of the garden: shelter for hedgehogs, wrens and insects.
Common mistakes
- Clipping without first checking for nesting birds.
- Leaving a stub or sawing flush with the trunk: cut just outside the branch collar.
Caution: Do not prune hard after August: late shoots do not ripen before winter and may be frosted. Japanese privet is poisonous: wear gloves and keep clippings away from children, pets and livestock.
Nearby: related pruning guides
Plant profile: Japanese privet · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.