The first signs of most orchid problems are usually in the leaves. You will also need to look at the roots, especially aerial orchid roots. If these are discolored, soft, and mushy, or look ...

A recent collaboration between departments at North Carolina State University has benefited orchid health in greenhouses.

Most orchids live in a symbiotic relationship with fungi in their roots: The plants provide sugar they produce through photosynthesis and in return receive water and minerals from the fungi.