That is what they are supposed to do but, the yellowing of the leaves is caused by either not feeding the plant correctly or by not watering enough. Not feeding the plant is the most likely.They were green turned orange leaves have been yellow for awhile also
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.