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Pruning guide · Perennial
Sneezewort: when and how to prune
Achillea ptarmica
Sneezewort is best pruned in March and August.
| Pruning months | March and August |
|---|---|
| Flowering | July–September |
| Good for bees, butterflies and birds | Yes, for bees and butterflies |
| Native to Belgium | Yes |
| Poisonous to people and pets | Yes, take care with children and pets |
Sneezewort: when to prune it?
Remove faded flowers in August; cut the old stems down to just above the ground in March.
Sneezewort: how to prune it?
- In summer, cut faded clusters back to a healthy side bud or side shoot.
- Leave the stems standing in winter: they give shelter to insects.
- In March cut all old stems back to 5 cm above the ground, before the new shoots appear.
How much to cut, and how often?
- There are 2 pruning periods a year: March and August. You don’t have to prune in every one.
What does it mean for wildlife?
- Sneezewort flowers in July–September, when it attracts bees and butterflies.
- If pruning falls during flowering, wait until it is over or leave part of the plant to flower, so bees and butterflies still benefit.
- As a native plant, it feeds more insects than a non-native species.
Caution: The sap can irritate sensitive skin: wear gloves when pruning. Sneezewort is poisonous: wear gloves and keep clippings away from children, pets and livestock.
Nearby: related pruning guides
Plant profile: Sneezewort · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.