Quote Originally Posted by Cinderella
When you have a leaf that is yellowing, do you cut it off or allow it to drop on it's own?

I know there are several reasons for yellow leaves, but what are the most common?

Thanks!
It depends. If the yellowing leaves appear dry and starts shrivelling, I let it drop on its own. But if it appear watery and mushy inside, I will cut it off pronto and treat the wound with fungicide and hope for the best.

I wish I have a better answer for your second question. But aside from old age, the other reasons are also mystery to me. Like Lisa, I also lost a phal whose leaves turn yellow and spread quickly. Good luck.