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Posted 11M ago by @HotNeslia71

Some of my Monstera leaves have brown spots. Should I lea...

If the spots don't spread/look like a fungus, then you should leave it alone. Cutting it damages the leaf more. If it is fungus, then treat for fungus.
It could be sunburn, pests, or even simply stomata suffocation from having something on the leaf for too long.
You will need to share a photo for accurate diagnosis and help. We wouldn't want to guide you in the wrong direction. There could be many causes. ❀️
For context, I was gone for three months and had someone come to the house to care for my 40+ plants - normally spread over three floors - so I moved them all to the first floor for her ease of access. This beauty normally lives on the second floor in this current window. I have moved her back to her normal home, but when I came home from my trip, this is what she look like. There were not spots before I left.
@SuperbRaspfern shared pics
It looks like root rot from the brown spots and yellow around the edges of the leaves. The brown spots happen when too much water is absorbed through the cells within the leaf. They get too full and then will burst like water balloons. Causing that sort of damage.

You will need to take her out of the pot and follow the directions completely. That way you can kill of the bacteria that caused it in the first place. I'm sorry 😒. They must have been overwatering thinking that was better than allowing her to dry out a bit.

Here is my treatment that will help her recover.

1. Remove from your pot, to check the roots. If there is anything brown black or mushy you have rot and will need to cut it all off. Keep only the healthy roots they will be whitish in color

Now root rot comes from a bacteria that forms in your soil and then attacks your plant. So treatment is absolutely necessary.

2. Cut off all affected roots soak what is left in:

1 part peroxide + 3 parts water and leave in the peroxide mix to soak for 5 minutes this will kill off the remaining bacteria. It will bubble pot and fizz this is good it’s killing the bacteria.


3. Next is soil, the best
choice is to throw it away. It’s safest. Or bake it for 1 hour in a 200
Degree oven, not the greatest because it REALLY stinks. But it’s effective. Or the most risky way is to thoroughly flush your soil out with your peroxide mix twice! You need to be very careful and do it thoroughly because if even a teeny bit of bacteria is left your rot will come back.

4. Now the pot, it also has that pesky bacteria you must scrub it out with soapy water very well and then also scrub it down with the peroxide mix.

Now you can plant her again. Be sure to add some perlite to your soil for aeration. This will help oxygen reach those roots and I avoid bacteria growth in the future.
Thanks for the photos it was VERY helpful. ❀️
Thank you SO much!!!