My Monstera Has Yellow Spots. A few tell-tale signs of their presence on your beloved Monstera plant are sudden unexplained leaf drop or yellowwhitebrown spots on the leaves branches or stem. Yellow leaves or stems Yellowing is a milder sign that your monstera might be over-watered.
What does it mean if monstera leaves turn yellow. There are more yellow spots now. Black splotches with a yellow ring or halo indicate that your Monstera has a fungus.
Black Spots on Monstera due to Improper Fertilization.
There are other causes but if you notice this sign check the moisture level with a moisture meter like this of the soil to be safe which you should do every time you water. Make sure your plant gets plenty of indirect sunlight so the soil can dry efficiently and make sure the top few inches of soil are dry before you water. Damage from indoor plant pests can cause your Monsteras leaves to develop yellow spots or generalized yellowing. Just received my monstera and it has these yellow spots on the leaves.