Short answer
Golden Pothos (Epipremnum aureum) typically develop root rot when soil remains constantly wet, preventing roots from accessing necessary oxygen. The most effective fix is to remove the plant from its pot, trim away all mushy, dark roots, and repot the remaining healthy plant into fresh, high-quality, well-draining potting soil.
Root rot is a serious condition for Epipremnum aureum that manifests as yellowing foliage, wilting despite moist soil, and a noticeable decay-like odor coming from the pot. While Pothos are known for their resilience, severe rot can kill the plant quickly, so immediate action is necessary if you suspect the roots have succumbed to overwatering.
Because Pothos require their soil to dry out between waterings, keeping the potting medium consistently saturated creates an anaerobic environment. This suffocates the roots and promotes the growth of pathogens that break down plant tissue.
Check: Check if the soil feels heavy, cold, and wet several inches below the surface or if water is pooling in the saucer.
Fix: Adjust your watering schedule to let the top 2-3 inches of soil dry completely before watering again, and ensure the pot has drainage holes.
Phytophthora is a specific pathogen that thrives in waterlogged conditions and can quickly decimate the root system of a Pothos. Unlike simple overwatering, this infection can persist in the soil and move quickly between healthy roots.
Check: Inspect the roots for a slimy, dark appearance and a distinctive foul smell, and check if the outer layer of the root peels off easily when pulled.
Fix: Gently remove all soil, trim all compromised roots with sanitized shears, and repot in fresh, sterile, well-draining soil.
If your Pothos is planted in a dense soil mix or a decorative pot without drainage, excess water has nowhere to escape. Over time, even if you are careful with your watering frequency, the soil remains too wet for the roots to breathe.
Observe if water remains sitting on top of the soil long after you have poured it or if the pot feels exceptionally heavy.
When to worry
You should act immediately if you see multiple leaves turning yellow simultaneously, a foul odor emanating from the pot, or if the stems at the soil line appear mushy and darkened.
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Diagnose my Golden PothosIf the entire root system is rotten, you cannot save the plant as a whole. However, you can take healthy vine cuttings from the top of the plant and propagate them in fresh water until new, healthy roots grow.
Yes, if it is just one or two old leaves near the base of the plant, it is likely just natural aging. You should only be concerned if many leaves yellow at once or if they appear on different parts of the vine simultaneously.
Fungicides are generally not recommended for home Pothos care. The most effective treatment is physical removal of the diseased roots and correcting the environmental conditions that allowed the rot to develop.
Consistent with guidance from: University of Florida IFAS Extension, American Phytopathological Society.
Fix: Repot the plant into a container with adequate drainage holes using an aroid-focused mix containing perlite or orchid bark to improve aeration.