How To Get Huge Monstera Leaves. Pretty soon mine will overtake the living room Use 2 or 3 parts Miracle Gro Potting Mix to 1 part 3 perlite. Your monstera plant requires 25 to 49 levels of humidity in order to thrive.
Look for very dry soil brown crispy leaf tips and edges and evidence of drooping. Fill the bottom third with peaty potting soil and establish a stake gently for the stem to climb on. Make sure to use a high-quality rooting hormone to get your plant to produce more roots in less time.
If your soil has gone too dry completely dry the oldest leaves will turn yellow first.
If you want maximum growth and massive beautiful leaves your humidity should be around 60. This provides a beautifully airy potting mix that these plants just love. To reach the sun the sun is always up for there are no ceilings in the rainforest. It is one of the most common causes of Monstera leaves curling and should be the first thing you investigate.