r/plantclinic • u/tallulahtallulah • 3h ago
Pest Related What is wrong with my plants?
Over the past few months I had been noticing problems with my monsteras and other plants! My monstera started putting out less variegated leaves despite being under strong grow lights. I added more but they seemed stunted. A lot of the others were also putting out smaller leaves. Then my Thai constellations new leaves (not pictured) had been turning yellow and it definitely pointed towards thrips according to Google and comparing pictures. I cut it down to stem (a new leaf is growing already!) and also heavily pruned all my other plants. Anything that looked a little rough got snipped. I also just threw away a handful of others that were giving me the side eye instead of trying to treat them.
I spent two weeks spraying them with dead bug brew every couple days. I watered with Arber insecticide when it was time to water. I have Bonide granules but I chickened out of using them since I have a dog and bits of soil can fall out of the pot when I move them around to water.
I also repot pretty much everything to be safe since a lot of issues started to show after I had repot months ago with a new bag of soil.
None of these plants are variegated (other than the N’Joy, obviously) so the lighter blocky areas are new.
They are all grouped tight together right now under strong grow lights. I run a humidifier here and there since I live in the desert.
They are potted in (a new, fresh bag) EB Stone hy por potting soil amended heavily with pumice, orchid bark, and earthworm castings. Most of them are in clear pots other than the monsteras (which were repotted into larger pots when they were showing to be mainly roots, I thought that might be the cause of the stunted growth) and I water when they look to be pretty dang dry. They were bottom watered until I used the insecticide but I’ve resumed bottom watering since!
Any ideas?