Posted 4w ago by @DormantDerrick

I think my plant is sick.
It was putting up new leaves for 2 months before it comes like this. How can I save it?
6” pot with drainage
Last watered 2 days ago
Hi! 1st of all beautiful plant! I found out only recently that some of my house plants which developed yellow leaves and brown tips have some sort of pest or disease..

My aglaonema had aphids sucking away the leaves' nutrients.. these were tricky to see because they were really stucked and camouflaged on the leaves.

My s.waliichi's still folded new leaf had spider mites or mealy bugs I think and/ or rust fungus on the bigger older ones.

I used to think that yellowing and browning was just mostly due to watering, lighting and humidity issues.. boy was I so wrong.

Now I have become more vigilant in checking the leaves of my indoor house plants.

Hope this long response somehow helps. Good luck!
@DormantDerrick @jcPlantProper @sarahsalith may have expertise in these plant. But this is what I found.

If you notice that your alocasia black velvet's leaves are yellowing, that can be due to either dehydration, overwatering, or cold temperatures. Check the amount of moisture in your plant's soil to see if it is due to over or under-watering. If it is properly hydrated, check to make sure the temperature is not too low. Also, these plants love humidity. I would recommend buying a humidifier and putting it next to it. You can always make a pebble tray and put underneath it so it will help the humidity some.

Low humidity and dry soil cause leaves to droop and brown on their edges, later followed by entire yellowing, browning, and shriveling. Your Alocasia will appreciate a boost in humidity from regular misting, a humidifier, or pebble tray.
@DormantDerrick being in Singapore I would think your humidity is pretty good. My first thought is under watering. From what I can see it looks like you have a very chunky and well draining soil. Maybe mix some more peat or something more moisture holding into the soil. Hopefully that helps but please keep a eye on other suggestions to try to narrow down the solution.
Thank you for all your help, I have a gut feeling that it might be due to pests. Which is what took my Alocasia Regina's away...
Seems like a lot of soil for the Alocasia! How much light is it getting? They don’t mind being a little damp but not soggy!
It appears that there are some mites in my soil...

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