How to Prune lesser pond sedge?
No pruning required, tidy if possible after foliage begins to die down

lesser pond sedge · Carex acutiformis
Also known as: marsh sedge; swamp sedge; lesser bank sedge; sniddel; sniddels
Grow in any waterside location, boggy or wet soils in sun or part shade. Robust, spreading plant only suited to large pond areas. See bog gardening and pond plants for further advice
No pruning required, tidy if possible after foliage begins to die down