Japanese zelkova: when and how to prune

Zelkova serrata

Japanese zelkova is best pruned in November–March.

Updated on 11 October 2026

Japanese zelkova: when to prune it?

Dead, diseased and broken branches can be removed at any time of year. If pruning is needed, do it during winter dormancy (November–March).

Prune while dormant, from November to March, but not in freezing weather.

What else to prune in those months? January · February · March · November · December

Little pruning needed. Train a young tree to a strong framework: narrow forks split later on.
On a young tree, remove competing branches with a narrow fork in good time, while they are still thin.
A street tree can be crown-lifted gradually in winter.

Pruning in March can fall in the nesting season (15 March–15 August). Check carefully for nesting birds first: disturbing an active nest is against the law.
Prunings can go on a dead hedge or brash pile in a corner of the garden: shelter for hedgehogs, wrens and insects.

Clipping without first checking for nesting birds.
Pruning too much: it grows best when left alone.
Leaving a stub or sawing flush with the trunk: cut just outside the branch collar.

Caution: Don’t leave formative pruning too late: on an old tree a narrow fork with included bark can no longer be corrected and may split.

This guide is compiled from the Bladwijzer plant profile and pruning calendar.