Wilting and yellowing despite moist soil, mushy dark brown roots that pull apart easily, and a sour smell from the potting mix; often mistaken for underwatering since the plant wilts even though the soil is wet.
Cause & development
Broad host range; affects Monstera, Pothos, ZZ Plant, Peace Lily, Rubber Plant, and Jade Plant among many others. EPPO code PHYTCN.
Favorable conditions
•Waterlogged or poorly draining potting mix
•Pots without drainage holes or sitting in a saucer of water
•Overwatering on a fixed schedule instead of checking soil moisture
Management
1Let the soil dry out between waterings and check drainage holes are clear
2Unpot and trim away mushy, dark roots with clean scissors
3Repot into fresh, well-draining mix and a pot with drainage