Monstera Leaves Not Splitting? This Might Be Why Gardening Know How My favourite monkey mask monstera plant is turning brown and dull. I tried to cut the leaves from the plant and put it in water to propogate but stll leaves are turning Monstera Propagation have you tried it?! If not give it a try! Here's how 1Select a healthy Monstera cutting with at least one node. 2 Remove the lower leaves, Mehltau bekmpfen mit Hausmitteln und Co. OBI Photinia fraseri 'Red Robin'