Photo: Hectonichus, CC BY-SA 3.0 · source
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Pruning guide · Perennial
Bear’s breeches: when and how to prune
Acanthus mollis
Bear’s breeches is best pruned in March and September.
| Pruning months | March and September |
|---|---|
| Flowering | June–August |
| Good for bees, butterflies and birds | Yes, for bees |
| Native to Belgium | No, planted |
Bear’s breeches: when to prune it?
After flowering, in September, cut off the spent spikes. In March, remove the old, withered leaves.
Bear’s breeches: how to prune it?
- Cut the spent spikes off at the base, or leave them for winter structure and cut them in March instead.
- In March, remove dead and frost-damaged leaves down to the ground.
- Leaves that become tatty in summer from drought or mildew can be cut off; fresh leaves will follow.
How much to cut, and how often?
- There are 2 pruning periods a year: March and September. You don’t have to prune in every one.
What does it mean for wildlife?
- Bear’s breeches flowers in June–August, when it attracts bees.
Caution: Wear sturdy gloves: the bracts on the flower spikes are spiny.
Nearby: related pruning guides
Plant profile: Bear’s breeches · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.