· with these eight tips, you should be able to identify the cause of the yellowing in your orchid leaves and treat it promptly. · if you find yellow leaves on your orchid, dont panic. · however, when all leaves turn yellow , it may signal an underlying issue such as too much direct sunlight, low temperatures, or root rot, which can impact orchid health. If this article was of any help, please leave a comment below. · when you notice your orchid leaves turning yellow , the first step is to go through all of these nine reasons and determine what the problem is. This article sheds light on some of the mistakes people make when planting an orchid and how negative side effects of those mistakes can be reversed. At best, you might have had an exposure to cold or too much sun, or you may have to battle a bacterial or fungal infection. When you start seeing yellow , brown and black blotching and streaking along with yellow discoloration on your leaves , it is time to start worrying. It could be the natural lifecycle, or your plant could be under stress. · gardeners who plant orchids will know that miserable feeling of wanting to help a yellowing orchid regain its crisp green color. · we’ll dive into the 10 most common causes of orchid leaves turning yellow and reveal exactly how to keep your plant happy and healthy. These tips from an orchid expert will help you find the cause, including overwatering , root rot, or light issues.