Monstera Is Turning Yellow. The main reason why leaves will be turning yellow and dying would be related to the soil. If it is underwatered the smallest of the monstera leaves start to turn yellow and fall off the plant in the case of monstera.
Christine repots her Monstera Adansonii which has developed yellow leaves since summer ended a couple months ago. Some leaf discoloration is normal. The most common cause of yellow leaves is overwatering.
Brown leaves can be an indication that a window leaf is suffering from a fungal infection called eyespot disease Spilocaea oleagina.
Since the problem is common consider it in more detail. Probably the most common reason your Monstera leaves are turning yellow is from the soil being too dry. Watering incorrectly improper light and malnutrition. Since the problem is common consider it in more detail.