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May 1, 2020 12:10 PM CST
Name: Ben
London
Hi everyone,

This is my first post and I have been looking around the site for an answer but I cannot seem to find one.

This week I have noticed strange spots forming on all my bedroom plants, in different ways. Do you think this might be caused by a bug???

1. Chinese Money Plant (Pilea peperomioides):
As seen on the picture a couple of leaves are showing indentation on the edge (very suspicious shape, like someone munched on them). Only 3 leaves are showing indents in the entire plant so quite sporadic.

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2. Lipstick plant (Aeschynanthus Japhrolepis):
Silver spots appeared on the leaves (I would say about 10 leaves on the entire plant). At closer examination I realised they were not spots but kind of some watery bubbles underneath the plant's skin (like the green was sucked out in these spots).

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3. Ficus Benjamina:
Only three leaves are showing these brown dry spots on a 1meter high bushy Ficus, so again very sporadic.

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4. Devil's Ivy (Epipremnum aureum):
2-3 leaves are showing holes.

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5. String of Hearts (Ceropegia woodii):
I noticed 4-5 leaves had these little holes at the back.

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6. Polka Dot Begonia (Begonia maculata):
This plant is the most damaged. The damage started about 1.5 month ago and I thought it was just sun damage or water chemicals. After switching to distilled water and keeping that plant in indirect light, the spots continued to appear and are now everywhere on the plant.

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I spent half a day inspecting the plants thoroughly but can't find traces of bugs.

Any ideas what might have caused these?

Cheers,
Ben
Last edited by BenGreenFinger May 1, 2020 12:21 PM Icon for preview
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May 1, 2020 12:13 PM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
If you need to relax, grow plants!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
There are no pictures.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.
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May 1, 2020 12:26 PM CST
Name: Ben
London
Just added them, sorry took me some time to figure the format out.
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May 1, 2020 12:51 PM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
If you need to relax, grow plants!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
I can't see any insects either. I see a couple with tiny white specks that are very hard to see. But I do not see any solid evidence that there are insects.
I do not see evidence of spider mites, no scale, no armored scales, no aphids, no mealybugs, nothing.
Sorry I am of no help. Perhaps others will be able to diagnose the issues.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.
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May 1, 2020 12:58 PM CST
Name: Ben
London
Thanks Bill!
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May 1, 2020 2:59 PM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
If you need to relax, grow plants!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
You're welcome Sir!
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.
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May 1, 2020 5:30 PM CST
Name: Lee-Roy
Bilzen, Belgium (Zone 8a)
Region: Belgium Composter Region: Europe Ferns Hostas Irises
Lilies Lover of wildlife (Black bear badge)
Did the climate in your house suddenly and drastically change? Because I can't believe a bug or disease would affect all these different plant types almost simultaneously...It's a toughie
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May 2, 2020 5:55 AM CST
Name: Ben
London
Arico said:Did the climate in your house suddenly and drastically change? Because I can't believe a bug or disease would affect all these different plant types almost simultaneously...It's a toughie


There has. been a wave of sun and heat two weeks ago here with a 10 degree difference but not too drastic. Went from 13 degree cloudy to 19 degree sunny for a week. Could it just be it?
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May 2, 2020 6:08 AM CST
Name: Big Bill
Livonia Michigan (Zone 6a)
If you need to relax, grow plants!!
Bee Lover Lover of wildlife (Raccoon badge) Orchids Region: Michigan Hostas Growing under artificial light
Echinacea Critters Allowed Cat Lover Butterflies Birds Region: United States of America
No Ben, that temperature change is not it. Those temperatures are reflective of what happened outside, not inside!
Your house didn't change 6 degrees Celsius, did it? Unless the heat was off and the windows and doors were open.
Orchid lecturer, teacher and judge. Retired Wildlife Biologist. Supervisor of a nature preserve up until I retired.
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May 2, 2020 8:04 AM CST
Name: Ben
London
BigBill said:No Ben, that temperature change is not it. Those temperatures are reflective of what happened outside, not inside!
Your house didn't change 6 degrees Celsius, did it? Unless the heat was off and the windows and doors were open.


Nope, I maintain a level of humidity and temp all of them were happy with. Both Lipstick and Heart String plants start to flower so I don't think they have suffered a shock. I'll inspect some more...
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May 2, 2020 9:06 AM CST
Name: Will Creed
NYC
Prof. plant consultant & educator
I see no evidence of pests or diseases. Many of the symptoms are normal blemishes and others may be due to some physical damage and still others caused by improper light or watering or mishandling during repotting.

For the most part, none of it looks serious. Serious problems are better diagnosed by examing the entire plant, not just a few leaves.
Will Creed
Horticultural Help, NYC
www.HorticulturalHelp.com
Contact me directly at wcreed@HorticulturalHelp.com
I now have a book available on indoor plant care
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May 2, 2020 9:18 AM CST
Name: Ben
London
WillC said:I see no evidence of pests or diseases. Many of the symptoms are normal blemishes and others may be due to some physical damage and still others caused by improper light or watering or mishandling during repotting.

For the most part, none of it looks serious. Serious problems are better diagnosed by examing the entire plant, not just a few leaves.


Thanks!
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