Monstera Indoor Plant Brown Leaves. If you live somewhere dry placing a humidifier next to your plants is a great way to increase humidity. Indoors Monstera deliciosa is easily adaptable and will grow in most climates except those with very cold indoor conditions.
Misting the leaves at least once a week should help solve this problem. Either your soil has gone much too dry or you plant has stayed wet for too long. This disease is also caused by fungi.
This disease is also caused by fungi.
You May Also Enjoy. Temperature may cause brown spots on the leaves in two ways. Keep in mind that it might be perfectly natural for the lower leaves on your plant to first turn pale yellow then turn brown and drop off. Over time the plant will form a bare stem.