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Posted 3Y ago by @LiterarySedge

Brown and yellow leaves on Monstera

My Monstera Deliciosa have brown/yellow leaf spots. I water it as soon as the soil is almost dry, it is near a window and good amount of humidity levels.
These spots are visible on new growth as well.
What can cause this issue? #Monstera #leaves #brownleaf #MonsteraDeliciosa
@LiterarySedge Hello and welcome to Greg, Wallix!

Is your monstera getting bright indirect sunlight? What type of pot is it in? Does it have drainage?

Under-watering

Light brown edges on the leaves means your monstera deliciosa needs more water. Consider watering more often, or just giving it more to drink once. The dead edges will remain dead, so feel free to trim the leaves in the shape they would grow to remove the dead parts.
@LiterarySedge I also noticed you have a Ficus Tineke. What type of pot is it in, it kinda looks like it’s still in a nursery pot. Are the brown parts on the leaves dry or mushy? Is it in direct sunlight or no sunlight? Your plant card has me a bit confused. They too like humidity as well as bright indirect sunlight. They like to be watered when they are almost dry.
@LiterarySedge

Improper watering, both under-watering and overwatering, can lead to issues with Monstera plant leaves turning yellow. If the leaves feel dry and brittle, then they are likely dying due to underwatering. If the leaves are moist and almost seem to be rotting as they turn yellow, that is a strong indication of excess water, and the monstera plant is suffering from stem and root rot. Investing in a pot with a drainage hole will help with excess moisture. Adjusting watering levels and frequency up or down can often resolve watering issues.

Your humidity level

Low humidity and dry soil cause leaves to brown on their edges, later followed by entire yellowing. Misting the leaves of your Monstera often will increase the humidity.



Improper Light

Generally, Monsteras will thrive when placed in low to bright indirect sunlight. When exposed to direct sunlight for too long, the foliage will burn. While Monsteras can adapt to low light areas, their growth will slow. Too little light can result in yellowing leaves. Take note of the light your Monstera is receiving and move accordingly.
Hello, Wallix! Welcome to Greg. (:

The key to Monsteras and other Aroids is to meet the needs of the roots.

I have found that regular potting mix hold too much moisture. These plants need to be able to dry out just a bit between waterings and their soil cannot be too compact.

All that being typed, I'm afraid your plant might have root rot. ):

It is imperative that your pot and soil have good drainage. Adding perlite and orchid bark to my Monstera soil is something I do to help facilitate good drainage.

If you have more questions or need help looking into the situation more, just tag me or hit reply so I get the notification. πŸ™‚

Those leaves won't recover, but with some planning, you can stop other leaves from doing that.