Photo: Uoaei1, CC BY-SA 3.0 · source
Pruning guide · Herbaceous plant
Common bistort (Bistorta officinalis): when and how to prune
Bistorta officinalis
Common bistort (Bistorta officinalis) is best pruned in March, July and September.
| Pruning months | March, July and September |
|---|---|
| Flowering | May–July |
| Native to Belgium | Yes |
Common bistort (Bistorta officinalis): when to prune it?
Clear old leaves in March, cut faded spikes in July, mow meadows in September.
What else to prune in those months? March · July · September
Common bistort (Bistorta officinalis): how to prune it?
- Cut faded flower stems off at the base in July.
- Leave the dead leaves lying over winter: they protect the rhizomes.
- Remove the old leaves in March before the new ones emerge.
- In a hay meadow: mow at 5–10 cm in September and remove the cuttings.
How much to cut, and how often?
- There are 3 pruning periods a year: March, July and September. You don’t have to prune in every one.
What does it mean for wildlife?
- As a native plant, it feeds more insects than a non-native species.
Caution: To help butterflies, never mow everything at once: always leave part standing.
Nearby: related pruning guides
Plant profile: Common bistort (Bistorta officinalis) · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.