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Posted 2w ago by @ZealAnise43

My monstera has started creating this dark spot. It start...

The parts of the leaves that are white lack chlorophyll, which causes them to grow slower. They need high-intensity bright INDIRECT light to get the nutrients they need to prevent dying and browning, but also to keep them out of direct sunlight that will burn them and cause browning. It’s a balance for sure.
@ZealAnise43 the white parts of the leaves are more sensitive to light burn, happens a lot with highly variegated plants. Like @JesikaTheRabbit said, avoid too much/too intense sunlight. A north-facing window or even an east-facing window is fine, but a south or west-facing will likely be too much. And as always, allow the soil to thoroughly dry out between waterings so you don't run into issues with rot.
@ZealAnise43 how much light is your Thai con getting every day? Because there are those cream areas of the leaf, variegated monsteras do need a *higher* volume of light than non-variegated monsteras, and if the plant gets sick or isn’t getting what they need, the variegated areas are the first to be sacrificed. This doesn’t look like a burn to me. 🧐

I see in your oasis you say it’s 4.5’ from a window, but the picture has it directly in a window? Is it unobstructed and/or does your Thai con get full sun for any part of the day? What direction does that window face? And have you recently moved your Thai con to or from anywhere?
This is where I have it now, I moved it like a day or too after taken the original photo. I never really close to shades on the window and it a west facing window. The sun dosnt ever hit the plant directly but it does get pretty bright in here. I have noticed an uptick in a real small bug. I repotted it not too long ago too. I’ve been thinking about a moss pole but idk what kind yet or if it’s necessary yet
If your plant went a lil too long between watering it will start to brown as well