Monstera Leaf Has Brown Spots. If the edges of your monstera turn a light brown color and get crispy your plant might be thirsty. You may also be seeing the insects themselves scale for example looks like a little brown lump.
If the soil feels dry give it a drink and consider watering a little more than usual. Bacterial and fungal diseases can cause leaf spots on Monstera. Monstera plant if exposed or kept near to excess heat sources direct sunlight heaters vents turn their leaves brown or develop brown spots.
New leaves were unfurling it seemed strong.
Brown leaves can be an indication that a window leaf is suffering from a fungal infection called eyespot disease Spilocaea oleagina. It turn completely yellow and just fell off the base when i lightly pulled on it. This viney plant is easy to maintain but even the hardy Monstera can develop problems such as brown spotting. I have only watered it once since I repotted it because the soil seemed a bit damp and I decided to take the less is more approach.
