11 Reasons For Peace Lily Leaves Turning Yellow Monstera Pruning help? Should I cut off the old leaves(2nd photo) even though they are large? And the smaller leaves should they be cut? Any advice for pruning would be awesome! I Starhenge Slowed and Reverbed in My Singing Monster: Dawm of Fire Another good example. This is a grass with tiny succulents surrounding the airy trunk. The succulents will need to be kept pruned to retain the right proportions.