Photo: C.Maupoil, CC BY-SA 4.0 · source
Pruning guide · Perennial
Formosa toad lily (Tricyrtis formosana): when and how to prune
Tricyrtis formosana
Formosa toad lily (Tricyrtis formosana) is best pruned in March.
| Pruning months | March |
|---|---|
| Flowering | August–October |
| Good for bees, butterflies and birds | Yes, for bees |
| Native to Belgium | No, planted |
Formosa toad lily (Tricyrtis formosana): when to prune it?
In March, before the new shoots appear.
What else to prune in those months? March
Formosa toad lily (Tricyrtis formosana): how to prune it?
- Cut last year’s dried stems down to just above the ground.
- Leave the dead stems standing over winter: they protect the rhizome from frost and shelter insects.
- Do not cut anything back after flowering: the last blooms decorate the garden until the first frosts.
How much to cut, and how often?
- One pruning period a year: March.
What does it mean for wildlife?
- Formosa toad lily (Tricyrtis formosana) flowers in August–October, when it attracts bees.
- If you only cut back in March, the old stems stand through the winter: insects overwinter in them and birds eat the seeds.
Caution: It comes up late in spring: mark the clump so that you do not damage the new shoots when weeding.
Nearby: related pruning guides
Plant profile: Formosa toad lily (Tricyrtis formosana) · Pruning calendar and basic rules
This guide is compiled from the Bladwijzer plant profile and pruning calendar.