How to Prune lesser bulrush?
Remove dead foliage and old flowered stems in spring

lesser bulrush · Typha angustifolia
Also known as: narrow-leaved reedmace; small reedmace; soft flag
Grow in water up to 40cm deep with deep mud. Root system may puncture pond liners and in shallower water may be invasive
Remove dead foliage and old flowered stems in spring