What causes the spath to turn green?
I'm guessing it's age, seems to do it after it's been on the plant for a while. At least, that's what I've observed.
This is a newbie plant. Internet says that a lot of sun causes it so I've moved it to a low light place. So we'll see. Thank you.
This is generally regarded as a medium to low light plant, so I wouldn't ever give it direct sun, it's not designed for it.