Male fern (Dryopteris filix-mas)

Photo: Wikimedia Commons, CC BY-SA 3.0 · source

Pruning guide · Fern

Male fern: when and how to prune

Dryopteris filix-mas

Male fern is best pruned in March.

Key facts
Pruning monthsMarch
Native to BelgiumYes
Poisonous to people and petsYes, take care with children and pets

Male fern: when to prune it?

In March, just before the new croziers unfurl. In winter the old fronds protect the crown.

What else to prune in those months? March

Male fern: how to prune it?

  1. Cut the old, withered fronds off at the base, as close to the crown as possible.
  2. Watch out for the young croziers already waiting in the crown: do not cut into them.
  3. Fronds that are still green can stay until the new ones have unfurled.
  4. Use the old fronds as mulch under shrubs or put them on the compost heap.

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: Do not cut too late: once the croziers start unfurling, they are easily damaged. Male fern is poisonous: wear gloves and keep clippings away from children, pets and livestock.

Nearby: related pruning guides

Plant profile: Male fern · Pruning calendar and basic rules

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

Laden…