I have had this plant for 6 weeks and it has been growing tremendously fast. It sits in a south facing window, receives direct sun in the morning for a few hours and then sits in bright, indirect light all day. I water and mist the plant a couple of times a week.
However, I have noticed that the underside of the older leaves have a rusty, orange tinge and rough feeling texture to them. On one leaf this is progressively worse and is now showing on the upside. The others remain bright green on top but have a lot of this discolouration underneath. The last two new leaves do not have this (yet).
Is it a result of sunburn, transplantation or perhaps disease? Any help would be greatly appreciated as I don't want this beauty to die!!!
