Monstera Has One Yellow Leaf. Most of the time it is overwatering. Yellowing leaves on a philodendron are an indication that the plant is getting too much water.
This is a little harder to care for and grows slower consequently its rather hard to get. Most of the time it is overwatering. Over or under watering.
Pruning - Remove dry or dead leaves all year round but save any major pruning for the spring and summer months.
Below are simple tips to continue caring for your Monstera over time. If you notice the lower leaves especially the oldest leaves are turning yellow go ahead and feel the soil. One of the most rewarding parts of growing Monstera deliciosa is watching the plant evolve from its juvenile leaves to the more mature adult leaves. Yellow monstera leaves can mean its either getting too much water or not enough nutrients.