Yellow Orchids’ Leaves

Question

Some of my orchids’ leaves turned yellow. What can the reason for this be?

Answer 1

Most commonly, this is due to lack of fertilization. This article will help:

https://www.gardeningknowhow.com/ornamental/flowers/orchids/tips-on-fertilizing-orchids.htm

Here is an article for the, general, care of Orchids:

https://www.gardeningknowhow.com/ornamental/flowers/orchids/indoor-orchid-care.htm