How to Prune pond lily cactus?
No pruning required

pond lily cactus · Nopalxochia phyllanthoides
Also known as: empress of Germany
Grow under glass in a slightly acid, epiphytic cactus compost in bright filtered light and moderate humidity, away from draughts. During the growing season water freely and feed with a half strength balanced liquid fertilizer monthly. Keep just moist in winter
No pruning required