Question: why are my orchid leaves turning yellow and dropping off?
Answer: Watering Problems 3﻿ Overwatering can lead to root rot, which can, in turn, cause its leaves to turn yellow. ... If your orchid is suffering from root rot but you see your plant still has some healthy green roots, trim the rotted roots and repot the plant in new media. Mist the leaves the first week in place of watering.