Pruning guide
How to prune thunberg's astilbe
Best time
Late autumn after flowering, or early spring
How often
Annually; divide every 3–4 years
Technique
Cut all stems and foliage to within a few centimetres of the ground. Because this species blooms late, avoid cutting back before it has finished flowering in summer.
More thunberg's astilbe care
Pruning thunberg's astilbe — FAQ
When should I prune thunberg's astilbe?
Late autumn after flowering, or early spring. Cut all stems and foliage to within a few centimetres of the ground. Because this species blooms late, avoid cutting back before it has finished flowering in summer.
How often does thunberg's astilbe need pruning?
Annually; divide every 3–4 years. Thunberg's astilbe is a late-blooming species needing only the standard annual cutback. Its graceful, arching plumes appear in mid-to-late summer and dry attractively, making them worth leaving through autumn and winter. Cut all growth to ground level in late autumn or early spring before new shoots emerge.
How do you prune thunberg's astilbe?
Cut all stems and foliage to within a few centimetres of the ground. Because this species blooms late, avoid cutting back before it has finished flowering in summer.