Monstera Rotting Leaves. If your Monstera Adansonii is still losing leaves you may want to investigate the roots. The best way to clean Monstera leaves is by gently wiping both sides with a damp cloth.
The pest that likes Monstera the best in my experience at least is thripsBut if you keep your thrips population under control check out this post for how I got rid of thrips on my Thai Constellation they dont usually cause leaf drop. We can figure this out by looking at the color of the newest leaf. Monstera is vulnerable to disease-causing pestsThese pests can cause infections that lead to the rotting of leaves stems and roots.
The plant has pests.
If your Monstera leaves are turning black its time to take action quickly. Monstera leaves turning black. Why is my Monstera getting yellow leaves. Clean the leaves at least once a week.