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Pruning guide · Broadleaf tree
Grey poplar: when and how to prune
Populus × canescens
Grey poplar is best pruned in November–March.
| Pruning months | November–March |
|---|---|
| Nesting season (15 March–15 August) | Take care in March |
| Flowering | March |
| Native to Belgium | Yes |
Grey poplar: 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
Grey poplar: how to prune it?
- Little pruning needed: give a young tree a single leader and remove crossing branches.
- Mow root suckers regularly; hard pruning only produces more suckers.
How much to cut, and how often?
- One pruning period a year: November–March.
- Grows best when left alone. Only remove dead, diseased or awkward branches.
What does it mean for wildlife?
- 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.
- As a native plant, it feeds more insects than a non-native species.
- 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.
- 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: Felling a grey poplar doesn’t solve the sucker problem: the roots then sucker all the more. Keep mowing them for a few years afterwards.
Nearby: related pruning guides
Similar to: Difference from aspen · Difference from white poplar
Plant profile: Grey poplar · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.