Photo: Carl Axel Magnus Lindman, Public domain · source
Pruning guide · Fern
Brittle bladder-fern: when and how to prune
Cystopteris fragilis
Brittle bladder-fern is best pruned in March.
| Pruning months | March |
|---|---|
| Native to Belgium | Yes |
Brittle bladder-fern: when to prune it?
It hardly needs pruning; just clear away the withered frond remains in March.
What else to prune in those months? March
Brittle bladder-fern: how to prune it?
- Carefully cut or pick off last year’s dead fronds before the new ones appear.
- Fronds that die back in summer can safely be cut off; new ones will come later.
How much to cut, and how often?
- One pruning period a year: March.
What does it mean for wildlife?
- As a native plant, it feeds more insects than a non-native species.
Caution: The young fronds appear early and snap easily: work gently.
Nearby: related pruning guides
Plant profile: Brittle bladder-fern · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.