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Pruning guide · Perennial
Algerian iris: when and how to prune
Iris unguicularis
Algerian iris is best pruned in September–October.
| Pruning months | September–October |
|---|---|
| Flowering | November–March |
| Native to Belgium | No, planted |
| Poisonous to people and pets | Yes, take care with children and pets |
Algerian iris: when to prune it?
In September or October, cut the old foliage back so the flower buds are free.
Algerian iris: how to prune it?
- Cut the old, tatty foliage back to about 10–15 cm above the ground.
- Remove dead or brown leaves and spent flowers.
- Cut buds in winter if you want them in a vase; they open indoors.
How much to cut, and how often?
- One pruning period a year: September–October.
What does it mean for wildlife?
- Don’t cut more than you need to: what stays standing gives insects and birds food and shelter.
Caution: All parts are poisonous, especially the rhizome. Wear gloves: the sap can irritate the skin.
Nearby: related pruning guides
Plant profile: Algerian iris · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.