How to Prune Epimedium × setosum?
Clip back old leaves in late winter or early spring, before new flower spikes form

Epimedium × setosum · Epimedium × setosum
Grow in fertile, humus-rich, moist but well-drained soil in partial shade, with shelter from cold, drying winds. Where frosts are prolonged or severe, spread an organic mulch such as leaf mould or composted bark to protect plants over winter
Clip back old leaves in late winter or early spring, before new flower spikes form