Why are the leaves on my plant turning yellow and dying?
2
How much water is she getting, and how are your roots? She looks pretty big to be in a 4-inch pot. In my previous experience, those roots like a little more breathing room; they don’t like being restricted, so I’d check if she’s getting too much water and/or not enough and if it’s time to transplant. These guys are also heavy feeders during their growing season. So make sure to feed every 4 weeks.
More than likely root bound. But she also looks like she is diar need of deleafing.