Why does your Anthurium andraeanum Utah have yellow leaves? Diagnose the cause and fix it with our step-by-step guide.
Anthuriums are highly susceptible to moisture-induced stress; excessive water saturates the porous medium, depriving roots of oxygen and leading to fungal decay. This prevents the plant from transporting nutrients, resulting in chlorosis (yellowing) starting with older leaves.
As heavy feeders during their growth phase, a lack of nitrogen can cause uniform yellowing of older leaves, while magnesium deficiency often presents as interveinal chlorosis. This is common when the potting medium has become depleted over several months.
Anthurium andraeanum are tropical plants that require consistent warmth; exposure to temperatures below 60°F (15°C) can cause metabolic disruption. This stress often manifests as yellowing foliage and wilting of the spathe.
While they crave bright light, direct midday sun can scorch the leaves, while excessively low light prevents photosynthesis. In low light, the plant may shed older leaves by turning them yellow to conserve energy for new growth.
Your plant might also be experiencing one of these issues:
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