Ask a Question forum→Monstera: tiny black dots on brown patches

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Spain
aberas
Jun 3, 2020 9:50 AM CST
Hi all,

I am tending a monstera plant that is at least 20 years old. Until recently it had been in a less than ideal spot with not much light. Since moving it to a new place it is looking much healthier. However, I have seen some leaves developing brown patches. Interestingly, most of them have a tiny black dot next to it. It seems that a nearby leaf is starting to look the same way and I am afraid it may be a disease spreading. Any idea of what this is and how can I fix it? Thank you!!

Linnie


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Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
Jun 3, 2020 3:29 PM CST
Please post a photo of the entire plant and its pot.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Spain
aberas
Jun 4, 2020 6:18 AM CST
Dear WillC,

thank you so much for your message. I've uploaded some more photos of the plant. The previous owners made it grow upwards for many years (it never looked lush). It used to be located in not such a good area with not much light (but some sun must have hit it because a couple of leaves seem burnt). We have been trying to make cuttings to propagate it and get a more bushier plant. Therefore, it used to have more leaves, which you can see in the smaller pots after propagation. I have four more cuttings in water right now. I think the plant is doing better since I got it, as I am seeing new growth.
However, I am worried about the possibility of the tiny dark dots being a disease that could spread further. Any advice is greatly appreciated.

All the best,

L.



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Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
Jun 4, 2020 9:11 AM CST
Welcome! Linnie! There is no evidence of disease. It has suffered at least in part from not getting enough light and perhaps, improper watering.

How far away is the nearest window?

How do you decide when to water and how much do you give it? How often is that?
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Spain
aberas
Jun 4, 2020 9:26 AM CST
Dear WillC,
thank you again so much for such a prompt answer! The plant is currently 3.5m away from the closest window, which is right across from it. I chose that place because it gets natural light for as long there is some. I could move it closer to that window, but it would be in a corner of a room with the window to one side. It seems to me that corner is darker than its current position. (This window has curtains).
In terms of water... It is hard to tell, since I have done it just a handful of times since I adopted this plant. Based on some readings, I put my finger in the soil and if the top 4cm or so are rather dry, I water it until a bit of water comes through the draining holes. Perhaps every week and a half or so. I also spray the leaves with water every three days. Am I watering it too much? It's certainly possible, as I think I am paying this plant perhaps too much attention... I am in love with it.
Thank you again for your help.

Best,

L.
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
Jun 4, 2020 9:32 AM CST
Inadequate light is its biggest problem. Light intensity diminishes rapidly with every meter of distance. But the light in a corner off to the side of the window is also pretty dim. There is no substitute for light so do your best to provide more light.

Your watering technique seems to be appropriate.

It is good that you are propagating some cuttings. Perhaps it is possible to keep them closer to the window.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Spain
aberas
Jun 4, 2020 3:40 PM CST
Thank you, WillC. Your comments are super helpful. I will try to put the plants closer to the window. One last thing, would it be ok for the plants to be placed next to a window that has curtains but that without them would give them direct light? Thanks again.
L.
Name: Will Creed
NYC
Prof. plant consultant & educator
Image
WillC
Jun 5, 2020 7:15 AM CST
Unfortunately, even sheers block out most of the light that plants use so that would not be a good solution.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at [email protected]
I now have a book available on indoor plant care
Spain
aberas
Jun 5, 2020 8:27 AM CST
Thank you SO much for all your help. I will try to get them better light. And I feel relieved knowing that the plant doesn't have any disease!
L.

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